{"title":"OTDR Fiber Launch Boxes","description":"OTDR Fiber Launch Boxes collection of fiber optic tools and equipment.","products":[{"product_id":"500m-sc-upc-to-sc-upc-single-mode-fiber-optic-otdr-launch-cable-box","title":"Launch Cable Box 500m SC\/UPC to SC\/UPC Single Mode Fiber Optic OTDR Launch Cable Box","description":"\u003cdiv class=\"product-single__description rte\"\u003e\n\u003ch1\u003e500m SC UPC to SC UPC Single Mode Fiber Optic OTDR\u003cspan\u003e \u003c\/span\u003eLaunch Cable Box \u003cspan\u003eOptic fiber jump cable,OTDR Dead Zone Eliminator,Fiber Optic OTDR Launch cable box,fiber rings FC\/SC\/ST\/LC(UPC\/APC)\u003c\/span\u003e\u003cbr\u003e\n\u003c\/h1\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/0058\/7923\/4648\/files\/BOX2_480x480.jpg?v=1595853948\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAn OTDR launch cable, which connects the OTDR to the link-under-test, discloses the insertion loss and reflectance of the near-end connection. It is often available on a small spool or within a “launch box”, which is used to create the proper conditions for testing another similar optical fiber for faults. This method avoids undesirable variations in loss and distance measurements. A launch fiber will help to overcome the blind spot or Dead Zone of an OTDR brought about by high launch power or faults near the launch end of the fiber.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\u003cspan\u003eSupply by: Cpostore\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRuggedized Case\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eG652D, G657A, OM1, OM2, OM3, OM4\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003eCase can house up to 2,000 meters of fiber\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOptional for with SC,LC,FC,ST,MU connector\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRobust carabiner clip\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBuilt-in cable management\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAuto-purge valve\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompound latch with locking feature\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWater and dust proof allowing the unit to be taken into almost any environment.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eComplied with or exceeds Standard\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eITU-T G652.D, G656.A\u003c\/p\u003e\n\u003cp\u003eITU-T G651.1 OM1 OM2 OM3 OM4\u003c\/p\u003e\n\u003cp\u003eIEC60793-2-10  type A1a.1\/A1b OM1\/OM2, type A1a.2 OM3, type A1a.3 OM4\u003c\/p\u003e\n\u003cp\u003eRoHS Compliant Directive 2011\/65\/EU\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003eFiber \u0026amp; Connector Characteristics\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eFiber Types\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eG657\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eFiber Length (m)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e100 up to 2000 (max)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eLead Length\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e2 Meters, 3mm buffer\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eTypical Loss\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u0026lt;0.5dB @ 1310 for 1000 meters\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eConnector Type\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eSC\/LC\/FC\/ST\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003ePolish\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003ePC, UPC, APC\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eReturn Loss*\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eUPC\u0026gt;=50dB, APC\u0026gt;=60dB, PC\u0026gt;=35dB\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eRepeatability (dB)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u0026lt;=0.2 (1000 times)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eExchangeability (dB)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u0026lt;=0.2\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"635\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" width=\"635\"\u003e\n\u003cp\u003e\u003cstrong\u003eMechanical \u0026amp; Environmental Characteristics\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"280\"\u003e\n\u003cp\u003eDimension\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"354\"\u003e\n\u003cp\u003e23.8CMx 14.1CM x 6.7CM\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"280\"\u003e\n\u003cp\u003eMaterial\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"354\"\u003e\n\u003cp\u003eSR Polypropylene\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"280\"\u003e\n\u003cp\u003eColor\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"354\"\u003e\n\u003cp\u003eYellow\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"280\"\u003e\n\u003cp\u003eWeight\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"354\"\u003e\n\u003cp\u003e0.75kg without fiber\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"280\"\u003e\n\u003cp\u003ePackaging\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"354\"\u003e\n\u003cp\u003eRugged, hard-shell transit case\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"280\"\u003e\n\u003cp\u003eStorage Temperature\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"354\"\u003e\n\u003cp\u003e-40℃to +85℃\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"280\"\u003e\n\u003cp\u003eOperating Temperature\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"354\"\u003e\n\u003cp\u003e-40℃ to +85℃\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"280\"\u003e\n\u003cp\u003eHumidity\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"354\"\u003e\n\u003cp\u003e0 to 95%, non-condensing\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidely used with OTDR to help minimize measurement uncertainty indoor or outdoor\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ese as OTDR launch\/receive cable\u003c\/p\u003e\n\u003cp\u003eTest link loss with an OTDR\u003c\/p\u003e\n\u003cp\u003eMeasure insertion loss and reflectance of near\/far end connector.\u003c\/p\u003e\n\u003cp\u003ePulse suppressor for the first reflection at the beginning of a fiber.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Cpostore","offers":[{"title":"Default Title","offer_id":46147946119238,"sku":"OTDR-500m-UPC\/SC--UPC\/SC","price":129.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/7622\/3558\/files\/1_94bd2e7d-74bf-47a9-be52-0560f73543a3.jpg?v=1786892540"},{"product_id":"otdr-fiber-ring-dead-zone-eliminator-500m-launch-cable-box","title":"500m OTDR Fiber Ring Dead Zone Eliminator – OTDR Launch Cable Box, G652D, SC FC LC ST UPC APC","description":"\u003cdiv class=\"product-single__description rte\"\u003e\n\u003ch2\u003e500m OTDR Fiber Ring Dead Zone Eliminator – OTDR Launch Cable Box | G652D | SC \/ FC \/ LC \/ ST | UPC \u0026amp; APC\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e500m OTDR Fiber Ring Dead Zone Eliminator\u003c\/strong\u003e is a compact fiber optic launch cable assembly — also known as an \u003cstrong\u003eOTDR pulse suppressor\u003c\/strong\u003e, \u003cstrong\u003eOTDR delay line box\u003c\/strong\u003e, or \u003cstrong\u003eOTDR launch cable box\u003c\/strong\u003e — containing \u003cstrong\u003e500 meters of G652D singlemode fiber\u003c\/strong\u003e wound on a compact fiber ring spool inside a ruggedized, IP54-rated hard-shell case. It connects between the OTDR and the fiber link under test to \u003cstrong\u003eeliminate the OTDR’s near-end dead zone\u003c\/strong\u003e, enabling accurate measurement of insertion loss and reflectance at the first connector of the link.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003efiber ring format\u003c\/strong\u003e winds the fiber in a compact ring configuration inside the case, minimizing the overall footprint while maintaining the full 500m of launch fiber needed to push the OTDR’s dead zone away from the beginning of the link under test. Available with \u003cstrong\u003eSC, FC, LC, and ST\u003c\/strong\u003e connectors in both \u003cstrong\u003eUPC and APC\u003c\/strong\u003e polish.\u003c\/p\u003e\n\u003ch2\u003eWhat Is an OTDR Dead Zone Eliminator?\u003c\/h2\u003e\n\u003cp\u003eAn OTDR dead zone eliminator (also called an OTDR launch cable box, OTDR pulse suppressor, or OTDR delay line) solves one of the most fundamental limitations of OTDR testing: the \u003cstrong\u003enear-end dead zone\u003c\/strong\u003e. Every OTDR has a blind region at the beginning of its trace caused by the recovery time of the receiver after the high-power launch pulse. During this dead zone, the OTDR cannot accurately measure events on the fiber. The dead zone has two components:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEvent Dead Zone (EDZ):\u003c\/strong\u003e The minimum distance after a reflective event before the OTDR can detect another event — typically 1–5 meters for modern OTDRs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAttenuation Dead Zone (ADZ):\u003c\/strong\u003e The minimum distance after a reflective event before the OTDR can accurately measure loss — typically 10–80 meters at short pulse widths\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBy inserting this \u003cstrong\u003e500m fiber ring\u003c\/strong\u003e between the OTDR and the link under test, the dead zone is pushed 500 meters into the launch fiber — well before the first connector of the actual link — allowing the OTDR to accurately measure near-end connector loss, first splice loss, and faults near the launch end of the fiber.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e500m G652D Singlemode Fiber:\u003c\/strong\u003e ITU-T G652.D compliant singlemode fiber — the standard fiber type for FTTH, telecom OSP, and long-haul applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Fiber Ring Design:\u003c\/strong\u003e Fiber is wound in a compact ring configuration inside the case — minimizes footprint while accommodating 500m of launch fiber. More portable than traditional drum-wound launch cables\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-Metal Construction:\u003c\/strong\u003e SR Polypropylene case will not dent, corrode, or conduct electricity — safe for use in all field environments including near energized equipment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP54 Ruggedized Hard-Shell Case:\u003c\/strong\u003e Water and dust resistant — suitable for indoor and outdoor use across a wide temperature range (-40°C to +85°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompound Latch with Locking Feature:\u003c\/strong\u003e Positive seal for secure closure in field environments, with easy one-hand opening\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto-Purge Valve:\u003c\/strong\u003e Prevents pressure buildup inside the sealed case during altitude and temperature changes — maintains case integrity in outdoor and aerial environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Carabiner Clip:\u003c\/strong\u003e Clip to a belt, ladder, or equipment rack during testing — keeps both hands free\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSC \/ FC \/ LC \/ ST Connectors, UPC \u0026amp; APC:\u003c\/strong\u003e Available in the most common singlemode connector types and polish types\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Meter Lead Cables:\u003c\/strong\u003e 3mm buffer lead cables on both ends for strain relief and easy connection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Purpose:\u003c\/strong\u003e Functions as OTDR pulse suppressor, launch box, delay line, and receive cable for installation, testing, training, and calibration applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFiber \u0026amp; Connector Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiber Types\u003c\/td\u003e\n\u003ctd\u003eG652D, G657A, OM1, OM3, OM4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiber Length\u003c\/td\u003e\n\u003ctd\u003e500m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Length\u003c\/td\u003e\n\u003ctd\u003e2 meters, 3mm buffer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical Loss\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;1dB @ 1310nm (500m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Types\u003c\/td\u003e\n\u003ctd\u003eSC, FC, LC, ST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePolish Types\u003c\/td\u003e\n\u003ctd\u003eUPC, APC, PC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReturn Loss (UPC)\u003c\/td\u003e\n\u003ctd\u003e≥50dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReturn Loss (APC)\u003c\/td\u003e\n\u003ctd\u003e≥60dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReturn Loss (PC)\u003c\/td\u003e\n\u003ctd\u003e≥35dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRepeatability\u003c\/td\u003e\n\u003ctd\u003e≤0.2dB (1,000 mating cycles)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExchangeability\u003c\/td\u003e\n\u003ctd\u003e≤0.2dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eMechanical \u0026amp; Environmental Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase Dimensions\u003c\/td\u003e\n\u003ctd\u003e238mm × 141mm × 67mm (9.37\" × 5.56\" × 2.62\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase Material\u003c\/td\u003e\n\u003ctd\u003eSR Polypropylene (non-metal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase Color\u003c\/td\u003e\n\u003ctd\u003eYellow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIP Rating\u003c\/td\u003e\n\u003ctd\u003eIP54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (without fiber)\u003c\/td\u003e\n\u003ctd\u003e0.75kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e0 to 95%, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e500m vs. 1000m vs. 2000m: Which Launch Cable Length Do You Need?\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003cth\u003eBest For\u003c\/th\u003e\n\u003cth\u003eDead Zone Coverage\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cstrong\u003e500m\u003c\/strong\u003e (this listing)\u003c\/td\u003e\n\u003ctd\u003eFTTH drop fiber, short-range testing, OTDRs at short pulse widths (\u0026lt;100ns)\u003c\/td\u003e\n\u003ctd\u003eCovers EDZ \u0026amp; ADZ for most modern OTDRs at short pulse widths\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1000m\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFTTH feeder fiber, telecom OSP testing, medium pulse widths (100ns–500ns)\u003c\/td\u003e\n\u003ctd\u003eCovers ADZ for most OTDRs at medium pulse widths\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e2000m\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLong-haul testing, long pulse widths (\u0026gt;1µs), maximum dead zone coverage\u003c\/td\u003e\n\u003ctd\u003eCovers ADZ for all OTDRs including long pulse width models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eWe also stock 1000m and 2000m OTDR launch cable boxes and fiber ring boxes — see our related listings.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eIdeal Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOTDR pulse suppression\u003c\/strong\u003e — suppressing the initial launch pulse reflection to eliminate the near-end dead zone and enable accurate near-end connector measurement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFTTH drop fiber testing\u003c\/strong\u003e — OTDR characterization of short FTTH drop cables from the splitter to the ONT using modern handheld OTDRs at short pulse widths\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField installation and commissioning\u003c\/strong\u003e — verifying fiber link quality during FTTH, telecom OSP, and enterprise fiber installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOTDR calibration and training\u003c\/strong\u003e — providing a known length of fiber for OTDR calibration checks and technician training on OTDR trace interpretation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBidirectional OTDR testing\u003c\/strong\u003e — used as both a launch cable (near end) and a receive cable (far end) for bidirectional OTDR measurements per IEC 61280-4-1 and TIA-568\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between an OTDR dead zone eliminator, OTDR launch cable box, and OTDR pulse suppressor?\u003c\/strong\u003e\u003cbr\u003e\nA: These are all names for the same type of product — a fiber optic cable assembly connected between the OTDR and the fiber link under test to push the OTDR’s dead zone away from the beginning of the link. Other common names include OTDR delay line box, OTDR fiber ring, and OTDR launch fiber box. This product is known by all of these names in the industry.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the fiber ring design and how does it differ from a standard launch cable box?\u003c\/strong\u003e\u003cbr\u003e\nA: In a fiber ring design, the launch fiber is wound in a compact ring configuration on a spool inside the case, rather than being wound on a larger drum. The fiber ring format results in a more compact and portable case footprint while accommodating the same length of launch fiber. Both designs perform the same function — eliminating the OTDR dead zone.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is 500m enough dead zone coverage for my OTDR?\u003c\/strong\u003e\u003cbr\u003e\nA: A 500m launch cable is sufficient for OTDRs operating at short pulse widths (\u0026lt;100ns), where the attenuation dead zone is typically less than 50–100 meters. For OTDRs using medium pulse widths (100ns–500ns), a 1000m launch cable is recommended. For long-haul testing with long pulse widths (\u0026gt;1µs), use a 2000m launch cable.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What connector type and polish should I choose?\u003c\/strong\u003e\u003cbr\u003e\nA: Choose the connector type (SC, FC, LC, or ST) that matches your OTDR’s optical port and the fiber link under test. Choose \u003cstrong\u003eAPC\u003c\/strong\u003e (green, 8° angled) for FTTH and PON networks. Choose \u003cstrong\u003eUPC\u003c\/strong\u003e (blue) for standard telecom and enterprise fiber. APC and UPC connectors are not interchangeable.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this as a receive cable for bidirectional OTDR testing?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. Connect one unit at the near end (as a launch cable) and a second unit at the far end (as a receive cable) for bidirectional OTDR measurements required by IEC 61280-4-1 and TIA-568 fiber acceptance standards.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the case suitable for outdoor use?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. The case is \u003cstrong\u003eIP54 rated\u003c\/strong\u003e, non-metal (will not corrode), and rated for -40°C to +85°C operating temperature. The auto-purge valve handles pressure changes at altitude. Suitable for aerial, underground, and in-building fiber testing environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: For support or bulk orders?\u003c\/strong\u003e\u003cbr\u003e\nA: Contact us at info@cpostore.com for B2B pricing, volume orders, or technical support.\u003c\/p\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e500m OTDR Fiber Ring Dead Zone Eliminator \/ Launch Cable Box (G652D fiber, selected connector type and polish) ×1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Cpostore","offers":[{"title":"APC\/SC \/ APC\/SC","offer_id":46147950968902,"sku":"Fiber-ring-500m-sm-1","price":153.0,"currency_code":"USD","in_stock":true},{"title":"APC\/SC \/ APC\/FC","offer_id":46147951001670,"sku":"Fiber-ring-500m-sm-2","price":153.0,"currency_code":"USD","in_stock":true},{"title":"APC\/SC \/ 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hard-shell case. It connects between the OTDR and the fiber link under test to \u003cstrong\u003eeliminate the OTDR’s near-end dead zone\u003c\/strong\u003e, enabling accurate measurement of insertion loss and reflectance at the first connector of the link — measurements that would otherwise be masked by the OTDR’s launch pulse recovery time.\u003c\/p\u003e\n\u003cp\u003eAvailable with \u003cstrong\u003eSC, FC, LC, and ST\u003c\/strong\u003e connectors in both \u003cstrong\u003eUPC and APC\u003c\/strong\u003e polish, the 2000m fiber ring launch cable box provides the maximum dead zone coverage in the OTDR launch cable range — recommended for OTDRs operating at long pulse widths (\u0026gt;1µs) for long-haul singlemode fiber testing, and for applications where the near-end connector of the link must be accurately characterized regardless of OTDR model or pulse width setting.\u003c\/p\u003e\n\u003ch2\u003eWhat Is an OTDR Launch Cable Box and Why Is 2000m Needed?\u003c\/h2\u003e\n\u003cp\u003eEvery OTDR has a \u003cstrong\u003edead zone\u003c\/strong\u003e at the beginning of a trace — a blind region caused by the recovery time of the OTDR’s receiver after the high-power launch pulse. During this dead zone, the OTDR cannot accurately measure events (connectors, splices, faults) on the fiber. The dead zone has two components:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEvent Dead Zone (EDZ):\u003c\/strong\u003e The minimum distance after a reflective event before the OTDR can detect another event — typically 1–5 meters for modern OTDRs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAttenuation Dead Zone (ADZ):\u003c\/strong\u003e The minimum distance after a reflective event before the OTDR can accurately measure loss — typically 10–100+ meters depending on OTDR model and pulse width setting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBy inserting a \u003cstrong\u003e2000m launch cable\u003c\/strong\u003e between the OTDR and the link under test, the OTDR’s dead zone is pushed 2,000 meters into the launch cable — well before the first connector of the actual link. A 2000m launch cable is the recommended choice for OTDRs using long pulse widths (\u0026gt;1µs) where the ADZ can extend to several hundred meters.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2,000m G652D Singlemode Fiber:\u003c\/strong\u003e ITU-T G652.D compliant singlemode fiber — low attenuation (\u0026lt;0.5dB total at 1310nm) ensures the launch cable itself does not significantly reduce OTDR dynamic range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Fiber Ring Spool Design:\u003c\/strong\u003e Fiber is wound on a compact ring spool inside the case — minimizes the case footprint while accommodating 2000m of fiber, more portable than traditional drum-wound launch cables\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP54 Ruggedized Hard-Shell Case:\u003c\/strong\u003e SR Polypropylene case — IP54 rated for water and dust resistance. Suitable for indoor and outdoor use across -40°C to +85°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Carabiner Clip:\u003c\/strong\u003e Clip to a belt, ladder, or equipment rack during testing — keeping both hands free in the field\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-In Cable Management:\u003c\/strong\u003e Fiber is neatly wound inside the case — no tangling or kinking during deployment and retrieval\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto-Purge Valve:\u003c\/strong\u003e Prevents pressure buildup inside the sealed case during temperature changes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSC \/ FC \/ LC \/ ST Connectors, UPC \u0026amp; APC:\u003c\/strong\u003e Available in the most common singlemode connector types and polish types\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Meter Lead Cables:\u003c\/strong\u003e 3mm buffer lead cables on both ends provide strain relief and easy connection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFiber \u0026amp; Connector Specifications\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiber Type\u003c\/td\u003e\n\u003ctd\u003eG652D (ITU-T G652.D singlemode)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiber Length\u003c\/td\u003e\n\u003ctd\u003e2,000m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Length\u003c\/td\u003e\n\u003ctd\u003e2 meters, 3mm buffer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical Loss\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.5dB @ 1310nm (2000m total)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Types\u003c\/td\u003e\n\u003ctd\u003eSC, FC, LC, ST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePolish Types\u003c\/td\u003e\n\u003ctd\u003eUPC, APC, PC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReturn Loss (UPC)\u003c\/td\u003e\n\u003ctd\u003e≥50dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReturn Loss (APC)\u003c\/td\u003e\n\u003ctd\u003e≥60dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReturn Loss (PC)\u003c\/td\u003e\n\u003ctd\u003e≥35dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRepeatability\u003c\/td\u003e\n\u003ctd\u003e≤0.2dB (1,000 mating cycles)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExchangeability\u003c\/td\u003e\n\u003ctd\u003e≤0.2dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eMechanical \u0026amp; Environmental Specifications\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase Dimensions\u003c\/td\u003e\n\u003ctd\u003e238mm × 141mm × 67mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase Material\u003c\/td\u003e\n\u003ctd\u003eSR Polypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase Color\u003c\/td\u003e\n\u003ctd\u003eYellow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIP Rating\u003c\/td\u003e\n\u003ctd\u003eIP54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (without fiber)\u003c\/td\u003e\n\u003ctd\u003e0.75kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e0 to 95%, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eCompliance Standards\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eITU-T G652.D (singlemode fiber)\u003c\/li\u003e\n\u003cli\u003eITU-T G656.A\u003c\/li\u003e\n\u003cli\u003eITU-T G651.1 OM1, OM2, OM3, OM4\u003c\/li\u003e\n\u003cli\u003eIEC 60793-2-10 Type A1a.1\/A1b (OM1\/OM2), Type A1a.2 (OM3), Type A1a.3 (OM4)\u003c\/li\u003e\n\u003cli\u003eRoHS Compliant — Directive 2011\/65\/EU\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e500m vs. 1000m vs. 2000m Launch Cable: Which Length Do You Need?\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eLaunch Cable Length\u003c\/th\u003e\n\u003cth\u003eRecommended Use Case\u003c\/th\u003e\n\u003cth\u003eDead Zone Coverage\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e500m\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFTTH drop fiber testing, short-range testing, OTDRs with short pulse widths (\u0026lt;100ns)\u003c\/td\u003e\n\u003ctd\u003eCovers EDZ and ADZ for most modern OTDRs at short pulse widths\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1000m\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard FTTH feeder and distribution fiber testing, medium pulse widths (100ns–500ns)\u003c\/td\u003e\n\u003ctd\u003eCovers ADZ for most OTDRs at medium pulse widths\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cstrong\u003e2000m\u003c\/strong\u003e (this listing)\u003c\/td\u003e\n\u003ctd\u003eLong-haul testing, OTDRs with long pulse widths (\u0026gt;1µs), maximum dead zone coverage for all OTDR models\u003c\/td\u003e\n\u003ctd\u003eCovers ADZ for all OTDRs including those with long pulse widths\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eWe also stock 500m and 1000m OTDR launch cable boxes in the same connector configurations — see our related listings.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eIdeal Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-haul singlemode fiber testing\u003c\/strong\u003e — OTDR characterization of trunk fiber, feeder cables, and backbone fiber where long pulse widths create extended dead zones requiring a 2000m launch cable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFTTH feeder fiber testing\u003c\/strong\u003e — accurate measurement of near-end connector loss at the OLT or splitter input on FTTH feeder cables\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTelecom OSP fiber acceptance testing\u003c\/strong\u003e — IEC\/ITU-compliant OTDR testing of newly installed outside plant fiber cables per IEC 61280-4-1 and TIA-568\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFiber fault location\u003c\/strong\u003e — locating breaks, high-loss splices, and connector faults near the launch end of a fiber link hidden in the OTDR dead zone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBidirectional OTDR testing\u003c\/strong\u003e — used as both a launch cable (near end) and a receive cable (far end) for bidirectional OTDR measurements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is an OTDR fiber ring launch cable box?\u003c\/strong\u003e\u003cbr\u003eA: An OTDR fiber ring launch cable box is a fiber optic launch cable assembly where the fiber is wound on a compact ring spool inside a protective case. It connects between the OTDR and the fiber link under test to push the OTDR’s dead zone away from the beginning of the link, allowing accurate measurement of the near-end connector and events close to the launch end of the fiber.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why do I need a 2000m launch cable?\u003c\/strong\u003e\u003cbr\u003eA: A 2000m launch cable provides the maximum dead zone coverage, ensuring the OTDR’s attenuation dead zone is fully contained within the launch cable for all OTDR models and pulse width settings — including OTDRs using long pulse widths (\u0026gt;1µs) for long-haul testing where the ADZ can extend to several hundred meters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What connector type and polish should I choose?\u003c\/strong\u003e\u003cbr\u003eA: Choose the connector type (SC, FC, LC, or ST) that matches your OTDR’s optical port and the fiber link under test. Choose \u003cstrong\u003eAPC\u003c\/strong\u003e (green, 8° angled) for FTTH and PON networks. Choose \u003cstrong\u003eUPC\u003c\/strong\u003e (blue) for standard telecom and enterprise fiber. APC and UPC connectors are not interchangeable.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this as a receive cable?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The launch cable box can be used as both a launch cable (near end) and a receive cable (far end) for bidirectional OTDR testing required by IEC 61280-4-1 and TIA-568.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What fiber type is used?\u003c\/strong\u003e\u003cbr\u003eA: \u003cstrong\u003eITU-T G652.D singlemode fiber\u003c\/strong\u003e — compatible with all standard singlemode OTDRs operating at 1310nm and 1550nm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the case waterproof?\u003c\/strong\u003e\u003cbr\u003eA: The case is \u003cstrong\u003eIP54 rated\u003c\/strong\u003e for water and dust resistance, suitable for indoor and outdoor use from -40°C to +85°C, with an auto-purge valve for pressure equalization.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: For support or bulk orders?\u003c\/strong\u003e\u003cbr\u003eA: Contact us at info@cpostore.com for B2B pricing, volume orders, or technical support.\u003c\/p\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e2000m OTDR Fiber Ring Launch Cable Box (G652D fiber, selected connector type and polish) ×1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Cpostore","offers":[{"title":"APC\/LC \/ APC\/LC","offer_id":46147953066054,"sku":"Launch Cable Box-2000","price":169.0,"currency_code":"USD","in_stock":true},{"title":"APC\/LC \/ APC\/SC","offer_id":46147953098822,"sku":"Launch Cable Box-2001","price":169.0,"currency_code":"USD","in_stock":true},{"title":"APC\/LC \/ APC\/FC","offer_id":46147953131590,"sku":"Launch Cable Box-2002","price":169.0,"currency_code":"USD","in_stock":true},{"title":"APC\/LC \/ APC\/ST","offer_id":46147953164358,"sku":"Launch Cable Box-2003","price":169.0,"currency_code":"USD","in_stock":true},{"title":"APC\/LC \/ UPC\/LC","offer_id":46147953197126,"sku":"Launch Cable Box-2004","price":169.0,"currency_code":"USD","in_stock":true},{"title":"APC\/LC \/ UPC\/SC","offer_id":46147953229894,"sku":"Launch Cable Box-2005","price":169.0,"currency_code":"USD","in_stock":true},{"title":"APC\/LC \/ UPC\/FC","offer_id":46147953262662,"sku":"Launch Cable Box-2006","price":169.0,"currency_code":"USD","in_stock":true},{"title":"APC\/LC \/ APCST","offer_id":46147953295430,"sku":"Launch Cable Box-2007","price":169.0,"currency_code":"USD","in_stock":true},{"title":"APC\/SC \/ APC\/LC","offer_id":46147953328198,"sku":"Launch Cable Box-2008","price":159.0,"currency_code":"USD","in_stock":true},{"title":"APC\/SC \/ APC\/SC","offer_id":46147953360966,"sku":"Launch Cable Box-2009","price":159.0,"currency_code":"USD","in_stock":true},{"title":"APC\/SC \/ APC\/FC","offer_id":46147953393734,"sku":"Launch Cable Box-2010","price":159.0,"currency_code":"USD","in_stock":true},{"title":"APC\/SC \/ APC\/ST","offer_id":46147953426502,"sku":"Launch Cable Box-2011","price":159.0,"currency_code":"USD","in_stock":true},{"title":"APC\/SC \/ UPC\/LC","offer_id":46147953459270,"sku":"Launch Cable Box-2012","price":159.0,"currency_code":"USD","in_stock":true},{"title":"APC\/SC \/ UPC\/SC","offer_id":46147953492038,"sku":"Launch Cable Box-2013","price":159.0,"currency_code":"USD","in_stock":true},{"title":"APC\/SC \/ UPC\/FC","offer_id":46147953524806,"sku":"Launch Cable Box-2014","price":159.0,"currency_code":"USD","in_stock":true},{"title":"APC\/SC \/ APCST","offer_id":46147953557574,"sku":"Launch Cable Box-2015","price":159.0,"currency_code":"USD","in_stock":true},{"title":"APC\/FC \/ APC\/LC","offer_id":46147953590342,"sku":"Launch Cable Box-2016","price":159.0,"currency_code":"USD","in_stock":true},{"title":"APC\/FC \/ APC\/SC","offer_id":46147953623110,"sku":"Launch Cable Box-2017","price":159.0,"currency_code":"USD","in_stock":true},{"title":"APC\/FC \/ APC\/FC","offer_id":46147953655878,"sku":"Launch Cable Box-2018","price":159.0,"currency_code":"USD","in_stock":true},{"title":"APC\/FC \/ APC\/ST","offer_id":46147953688646,"sku":"Launch Cable Box-2019","price":159.0,"currency_code":"USD","in_stock":true},{"title":"APC\/FC \/ UPC\/LC","offer_id":46147953721414,"sku":"Launch Cable Box-2020","price":159.0,"currency_code":"USD","in_stock":true},{"title":"APC\/FC \/ UPC\/SC","offer_id":46147953754182,"sku":"Launch Cable Box-2021","price":159.0,"currency_code":"USD","in_stock":true},{"title":"APC\/FC \/ UPC\/FC","offer_id":46147953786950,"sku":"Launch Cable Box-2022","price":159.0,"currency_code":"USD","in_stock":true},{"title":"APC\/FC \/ APCST","offer_id":46147953819718,"sku":"Launch Cable Box-2023","price":159.0,"currency_code":"USD","in_stock":true},{"title":"APC\/ST \/ APC\/LC","offer_id":46147953852486,"sku":"Launch Cable Box-2024","price":169.0,"currency_code":"USD","in_stock":true},{"title":"APC\/ST \/ APC\/SC","offer_id":46147953885254,"sku":"Launch Cable Box-2025","price":169.0,"currency_code":"USD","in_stock":true},{"title":"APC\/ST \/ APC\/FC","offer_id":46147953918022,"sku":"Launch Cable Box-2026","price":169.0,"currency_code":"USD","in_stock":true},{"title":"APC\/ST \/ APC\/ST","offer_id":46147953950790,"sku":"Launch Cable Box-2027","price":169.0,"currency_code":"USD","in_stock":true},{"title":"APC\/ST \/ UPC\/LC","offer_id":46147953983558,"sku":"Launch Cable Box-2028","price":169.0,"currency_code":"USD","in_stock":true},{"title":"APC\/ST \/ UPC\/SC","offer_id":46147954016326,"sku":"Launch Cable Box-2029","price":169.0,"currency_code":"USD","in_stock":true},{"title":"APC\/ST \/ UPC\/FC","offer_id":46147954049094,"sku":"Launch Cable Box-2030","price":169.0,"currency_code":"USD","in_stock":true},{"title":"APC\/ST \/ APCST","offer_id":46147954081862,"sku":"Launch Cable Box-2031","price":169.0,"currency_code":"USD","in_stock":true},{"title":"UPC\/LC \/ APC\/LC","offer_id":46147954114630,"sku":"Launch Cable Box-2032","price":169.0,"currency_code":"USD","in_stock":true},{"title":"UPC\/LC \/ APC\/SC","offer_id":46147954147398,"sku":"Launch Cable 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FC\/SC\/ST\/LC(UPC\/APC)\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/0058\/7923\/4648\/files\/BOX2_480x480.jpg?v=1595853948\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left; padding-left: 30px;\"\u003e\u003cspan\u003eAn OTDR launch cable, which connects the OTDR to the link-under-test, discloses the insertion loss and reflectance of the near-end connection. It is often available on a small spool or within a “launch box”, which is used to create the proper conditions for testing another similar optical fiber for faults. This method avoids undesirable variations in loss and distance measurements. A launch fiber will help to overcome the blind spot or Dead Zone of an OTDR brought about by high launch power or faults near the launch end of the fiber.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3 style=\"text-align: left; padding-left: 30px;\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003col\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003eSupply by: TEKCN\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003eRuggedized Case\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eG652D, G657A, OM1, OM2, OM3, OM4\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan\u003e\u003c\/span\u003eCase can house up to 2,000 meters of fiber\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003eOptional for with SC,LC,FC,ST,MU connector\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003eRobust carabiner clip\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003eBuilt-in cable management\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003eAuto-purge valve\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003eCompound latch with locking feature\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003eWater and dust proof allowing the unit to be taken into almost any environment.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003e\u003cimg alt=\"\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/0058\/7923\/4648\/files\/aaa_480x480.jpg?v=1600755532\" height=\"181\" src=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/0058\/7923\/4648\/files\/aaa_480x480.jpg?v=1600755532\" style=\"display: block; margin-left: auto; margin-right: auto;\" width=\"530\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"text-align: left; padding-left: 30px;\"\u003e\u003cstrong\u003eComplied with or exceeds Standard\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv style=\"text-align: left; padding-left: 30px;\"\u003eITU-T G652.D, G656.A\u003c\/div\u003e\n\u003cdiv style=\"text-align: left; padding-left: 30px;\"\u003eITU-T G651.1 OM1 OM2 OM3 OM4\u003c\/div\u003e\n\u003cdiv style=\"text-align: left; padding-left: 30px;\"\u003eIEC60793-2-10  type A1a.1\/A1b OM1\/OM2, type A1a.2 OM3, type A1a.3 OM4\u003c\/div\u003e\n\u003cdiv style=\"text-align: left; padding-left: 30px;\"\u003eRoHS Compliant Directive 2011\/65\/EU\u003c\/div\u003e\n\u003cdiv style=\"text-align: left; padding-left: 30px;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left; padding-left: 30px;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003eFiber \u0026amp; Connector Characteristics\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eFiber Types\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eG652D\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eFiber Length (m)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e100 up to 2000 (max)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eLead Length\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e2 Meters, 3mm buffer\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eTypical Loss\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u0026lt;0.5dB @ 1310 for 1000 meters\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eConnector Type\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eSC\/LC\/FC\/ST\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003ePolish\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003ePC, UPC, APC\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eReturn Loss*\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eUPC\u0026gt;=50dB, APC\u0026gt;=60dB, PC\u0026gt;=35dB\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eRepeatability (dB)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u0026lt;=0.2 (1000 times)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eExchangeability (dB)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u0026lt;=0.2\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e \u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ctable width=\"635\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" width=\"635\"\u003e\n\u003cp\u003e\u003cstrong\u003eMechanical \u0026amp; Environmental Characteristics\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"280\"\u003e\n\u003cp\u003eDimension\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"354\"\u003e\n\u003cp\u003e23.8CMx 14.1CM x 6.7CM\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"280\"\u003e\n\u003cp\u003eMaterial\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"354\"\u003e\n\u003cp\u003eSR Polypropylene\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"280\"\u003e\n\u003cp\u003eColor\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"354\"\u003e\n\u003cp\u003eYellow\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"280\"\u003e\n\u003cp\u003eWeight\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"354\"\u003e\n\u003cp\u003e0.75kg without fiber\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"280\"\u003e\n\u003cp\u003ePackaging\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"354\"\u003e\n\u003cp\u003eRugged, hard-shell transit case\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"280\"\u003e\n\u003cp\u003eStorage Temperature\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"354\"\u003e\n\u003cp\u003e-40℃to +85℃\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"280\"\u003e\n\u003cp\u003eOperating Temperature\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"354\"\u003e\n\u003cp\u003e-40℃ to +85℃\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"280\"\u003e\n\u003cp\u003eHumidity\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"354\"\u003e\n\u003cp\u003e0 to 95%, non-condensing\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e \u003c\/div\u003e\n\u003ch3 style=\"text-align: left; padding-left: 30px;\"\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv style=\"text-align: left; padding-left: 30px;\"\u003eWidely used with \u003cem\u003e\u003cstrong\u003eOTDR\u003c\/strong\u003e\u003c\/em\u003e to help minimize measurement uncertainty indoor or outdoor \u003c\/div\u003e\n\u003cdiv style=\"text-align: left; padding-left: 30px;\"\u003ese as OTDR launch\/receive cable\u003c\/div\u003e\n\u003cdiv style=\"text-align: left; padding-left: 30px;\"\u003eTest link loss with an OTDR\u003c\/div\u003e\n\u003cdiv style=\"text-align: left; padding-left: 30px;\"\u003eMeasure insertion loss and reflectance of near\/far end connector.\u003c\/div\u003e\n\u003cdiv style=\"text-align: left; padding-left: 30px;\"\u003ePulse suppressor for the first reflection at the beginning of a fiber.\u003c\/div\u003e\n\u003cdiv style=\"text-align: left; padding-left: 30px;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left; padding-left: 30px;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e \u003cimg alt=\"\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/0058\/7923\/4648\/files\/7_480x480.png?v=1598422809\" src=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/0058\/7923\/4648\/files\/7_480x480.png?v=1598422809\"\u003e\u003cimg alt=\"\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/0058\/7923\/4648\/files\/77_480x480.png?v=1598422828\" src=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/0058\/7923\/4648\/files\/77_480x480.png?v=1598422828\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Cpostore","offers":[{"title":"Default Title","offer_id":46147955163206,"sku":"Launch Cable-1000m","price":139.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/7622\/3558\/files\/BOX2_9dc1bda2-6c1b-4a73-9d7d-204681826fb0.jpg?v=1786892589"},{"product_id":"otdr-launch-cable-box-1000m-dead-zone-eliminator-sc-fc-lc-st","title":"1000m OTDR Launch Cable Box – Dead Zone Eliminator, G652D Fiber, SC FC LC ST UPC APC","description":"\u003cdiv class=\"product-single__description rte\"\u003e\n\u003ch2\u003e1000m OTDR Launch Cable Box – Dead Zone Eliminator for Accurate Near-End Fiber Testing | G652D | SC \/ FC \/ LC \/ ST | UPC \u0026amp; APC\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e1000m OTDR Launch Cable Box\u003c\/strong\u003e is a field-ready fiber optic launch cable assembly containing \u003cstrong\u003e1,000 meters of G652D singlemode fiber\u003c\/strong\u003e wound inside a ruggedized, IP54-rated hard-shell case. It connects between the OTDR and the fiber link under test to \u003cstrong\u003eeliminate the OTDR’s near-end dead zone\u003c\/strong\u003e, enabling accurate measurement of insertion loss and reflectance at the first connector of the link — measurements that would otherwise be masked by the OTDR’s launch pulse recovery time.\u003c\/p\u003e\n\u003cp\u003eAvailable with \u003cstrong\u003eSC, FC, LC, and ST\u003c\/strong\u003e connectors in both \u003cstrong\u003eUPC and APC\u003c\/strong\u003e polish, the 1000m launch cable box is the most widely used launch cable length for FTTH feeder fiber testing, telecom OSP fiber acceptance testing, and standard singlemode fiber characterization where the OTDR’s attenuation dead zone at medium pulse widths must be overcome.\u003c\/p\u003e\n\u003ch2\u003eWhat Is an OTDR Launch Cable Box and Why Is 1000m the Standard Length?\u003c\/h2\u003e\n\u003cp\u003eEvery OTDR has a \u003cstrong\u003edead zone\u003c\/strong\u003e at the beginning of a trace — a blind region caused by the recovery time of the OTDR’s receiver after the high-power launch pulse. During this dead zone, the OTDR cannot accurately measure events (connectors, splices, faults) on the fiber. The dead zone has two components:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEvent Dead Zone (EDZ):\u003c\/strong\u003e The minimum distance after a reflective event before the OTDR can detect another event — typically 1–5 meters for modern OTDRs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAttenuation Dead Zone (ADZ):\u003c\/strong\u003e The minimum distance after a reflective event before the OTDR can accurately measure loss — typically 10–100 meters depending on OTDR model and pulse width setting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBy inserting a \u003cstrong\u003e1000m launch cable\u003c\/strong\u003e between the OTDR and the link under test, the OTDR’s dead zone is pushed 1,000 meters into the launch cable — well before the first connector of the actual link. This allows the OTDR to accurately measure:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe \u003cstrong\u003einsertion loss and reflectance of the near-end connector\u003c\/strong\u003e of the link under test\u003c\/li\u003e\n\u003cli\u003eThe \u003cstrong\u003eloss of the first splice\u003c\/strong\u003e in the link\u003c\/li\u003e\n\u003cli\u003eAny \u003cstrong\u003efaults or events near the launch end\u003c\/strong\u003e of the fiber that would otherwise be hidden in the dead zone\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA \u003cstrong\u003e1000m launch cable\u003c\/strong\u003e is the standard choice for most FTTH and telecom OSP OTDR testing applications, providing sufficient dead zone coverage for OTDRs operating at medium pulse widths (100ns–500ns). For OTDRs using long pulse widths (\u0026gt;1µs) for long-haul testing, a 2000m launch cable may be required.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,000m G652D Singlemode Fiber:\u003c\/strong\u003e ITU-T G652.D compliant singlemode fiber — the standard fiber type for FTTH, telecom OSP, and long-haul applications. Low attenuation (\u0026lt;0.5dB total at 1310nm for 1000m) ensures the launch cable itself does not significantly reduce OTDR dynamic range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP54 Ruggedized Hard-Shell Case:\u003c\/strong\u003e SR Polypropylene case with compound latch and locking feature — IP54 rated for water and dust resistance. Suitable for indoor and outdoor use across a wide temperature range (-40°C to +85°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Carabiner Clip:\u003c\/strong\u003e Allows the launch box to be clipped to a belt, ladder, or equipment rack during testing — keeping both hands free in the field\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-In Cable Management:\u003c\/strong\u003e Fiber is neatly wound inside the case with built-in cable management — no tangling or kinking during deployment and retrieval\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto-Purge Valve:\u003c\/strong\u003e Prevents pressure buildup inside the sealed case during temperature changes — maintains case integrity in outdoor environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSC \/ FC \/ LC \/ ST Connectors, UPC \u0026amp; APC:\u003c\/strong\u003e Available in the most common singlemode connector types and polish types — select the configuration that matches your OTDR port and the fiber link under test\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Meter Lead Cables:\u003c\/strong\u003e 3mm buffer lead cables on both ends provide strain relief and easy connection to the OTDR port and the fiber link under test\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFiber \u0026amp; Connector Specifications\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiber Type\u003c\/td\u003e\n\u003ctd\u003eG652D (ITU-T G652.D singlemode)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiber Length\u003c\/td\u003e\n\u003ctd\u003e1,000m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Length\u003c\/td\u003e\n\u003ctd\u003e2 meters, 3mm buffer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical Loss\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.5dB @ 1310nm (1000m total)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Types\u003c\/td\u003e\n\u003ctd\u003eSC, FC, LC, ST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePolish Types\u003c\/td\u003e\n\u003ctd\u003eUPC, APC, PC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReturn Loss (UPC)\u003c\/td\u003e\n\u003ctd\u003e≥50dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReturn Loss (APC)\u003c\/td\u003e\n\u003ctd\u003e≥60dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReturn Loss (PC)\u003c\/td\u003e\n\u003ctd\u003e≥35dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRepeatability\u003c\/td\u003e\n\u003ctd\u003e≤0.2dB (1,000 mating cycles)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExchangeability\u003c\/td\u003e\n\u003ctd\u003e≤0.2dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eMechanical \u0026amp; Environmental Specifications\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase Dimensions\u003c\/td\u003e\n\u003ctd\u003e238mm × 141mm × 67mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase Material\u003c\/td\u003e\n\u003ctd\u003eSR Polypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase Color\u003c\/td\u003e\n\u003ctd\u003eYellow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIP Rating\u003c\/td\u003e\n\u003ctd\u003eIP54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (without fiber)\u003c\/td\u003e\n\u003ctd\u003e0.75kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e0 to 95%, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eCompliance Standards\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eITU-T G652.D (singlemode fiber)\u003c\/li\u003e\n\u003cli\u003eITU-T G656.A\u003c\/li\u003e\n\u003cli\u003eITU-T G651.1 OM1, OM2, OM3, OM4\u003c\/li\u003e\n\u003cli\u003eIEC 60793-2-10 Type A1a.1\/A1b (OM1\/OM2), Type A1a.2 (OM3), Type A1a.3 (OM4)\u003c\/li\u003e\n\u003cli\u003eRoHS Compliant — Directive 2011\/65\/EU\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to Use the OTDR Launch Cable Box\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelect the correct connector configuration\u003c\/strong\u003e — match the launch cable’s connector type (SC\/FC\/LC\/ST) and polish (UPC\/APC) to your OTDR’s optical port and the fiber link under test\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean the connectors\u003c\/strong\u003e — inspect and clean both the OTDR port and the launch cable connectors before connecting. Contaminated connectors are the most common cause of poor OTDR traces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect the launch cable to the OTDR\u003c\/strong\u003e — plug one end of the launch cable into the OTDR’s optical port\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect the launch cable to the fiber under test\u003c\/strong\u003e — plug the other end into the first connector of the fiber link under test\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet the OTDR range and pulse width\u003c\/strong\u003e — set the OTDR range to cover the full length of the fiber link plus the 1000m launch cable. The OTDR trace will show the launch cable as the first 1000m before the link under test begins\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcquire the OTDR trace\u003c\/strong\u003e — the near-end connector of the link under test will now appear clearly in the OTDR trace, outside the dead zone, with accurate loss and reflectance measurements\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003e500m vs. 1000m vs. 2000m Launch Cable: Which Length Do You Need?\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eLaunch Cable Length\u003c\/th\u003e\n\u003cth\u003eRecommended Use Case\u003c\/th\u003e\n\u003cth\u003eDead Zone Coverage\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e500m\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eShort-range testing, OTDRs with short pulse widths, FTTH drop fiber testing\u003c\/td\u003e\n\u003ctd\u003eCovers EDZ and ADZ for most modern OTDRs at short pulse widths (\u0026lt;100ns)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cstrong\u003e1000m\u003c\/strong\u003e (this listing)\u003c\/td\u003e\n\u003ctd\u003eStandard FTTH feeder and distribution fiber testing, telecom OSP acceptance testing\u003c\/td\u003e\n\u003ctd\u003eCovers ADZ for most OTDRs at medium pulse widths (100ns–500ns)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e2000m\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLong-haul testing, OTDRs with long pulse widths (\u0026gt;1µs), applications requiring maximum dead zone coverage\u003c\/td\u003e\n\u003ctd\u003eCovers ADZ for all OTDRs including those with long pulse widths\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eWe also stock 500m and 2000m OTDR launch cable boxes in the same connector configurations — see our related listings.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eIdeal Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFTTH feeder fiber testing\u003c\/strong\u003e — accurate OTDR measurement of near-end connector loss at the OLT or splitter input on FTTH feeder cables; the 1000m length is the standard for most FTTH OTDR testing workflows\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTelecom OSP fiber acceptance testing\u003c\/strong\u003e — IEC\/ITU-compliant OTDR testing of newly installed outside plant fiber cables, including accurate near-end connector characterization per IEC 61280-4-1 and TIA-568\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSinglemode fiber characterization\u003c\/strong\u003e — measuring insertion loss, reflectance, and splice loss along singlemode fiber links for network commissioning and maintenance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFiber fault location\u003c\/strong\u003e — locating breaks, high-loss splices, and connector faults near the launch end of a fiber link that would otherwise be hidden in the OTDR dead zone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBidirectional OTDR testing\u003c\/strong\u003e — used as both a launch cable (near end) and a receive cable (far end) for bidirectional OTDR measurements required by IEC 61280-4-1 and TIA-568 fiber acceptance standards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eData center fiber testing\u003c\/strong\u003e — OTDR characterization of backbone and inter-rack singlemode fiber links in data center environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is an OTDR launch cable box?\u003c\/strong\u003e\u003cbr\u003eA: An OTDR launch cable box is a fiber optic cable assembly — typically 500m to 2000m of singlemode fiber wound in a protective case — connected between the OTDR and the fiber link under test. It pushes the OTDR’s dead zone away from the beginning of the link, allowing accurate measurement of the near-end connector and events close to the launch end of the fiber.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is 1000m the most common OTDR launch cable length?\u003c\/strong\u003e\u003cbr\u003eA: A 1000m launch cable provides sufficient dead zone coverage for most OTDR models operating at medium pulse widths (100ns–500ns), which are the most commonly used settings for FTTH feeder fiber and telecom OSP testing. It balances dead zone coverage with manageable cable weight and cost. For OTDRs using long pulse widths (\u0026gt;1µs) for long-haul testing, a 2000m launch cable may be required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What connector type and polish should I choose?\u003c\/strong\u003e\u003cbr\u003eA: Choose the connector type (SC, FC, LC, or ST) that matches your OTDR’s optical port and the fiber link under test. Choose \u003cstrong\u003eAPC\u003c\/strong\u003e (green connector, 8° angled) if your OTDR port or fiber link uses APC connectors — common in FTTH and PON networks. Choose \u003cstrong\u003eUPC\u003c\/strong\u003e (blue connector) for standard telecom and enterprise fiber applications. APC and UPC connectors are not interchangeable.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this launch cable box as a receive cable?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The launch cable box can be used as both a launch cable (connected at the near end of the OTDR) and a receive cable (connected at the far end of the fiber link) for bidirectional OTDR testing. Bidirectional testing is required by IEC 61280-4-1 and TIA-568 for fiber acceptance testing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What fiber type is used in this launch cable box?\u003c\/strong\u003e\u003cbr\u003eA: The launch cable uses \u003cstrong\u003eITU-T G652.D singlemode fiber\u003c\/strong\u003e — the standard singlemode fiber type for FTTH, telecom OSP, and long-haul applications. It is compatible with all standard singlemode OTDRs operating at 1310nm and 1550nm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the case waterproof?\u003c\/strong\u003e\u003cbr\u003eA: The case is \u003cstrong\u003eIP54 rated\u003c\/strong\u003e for water and dust resistance, suitable for indoor and outdoor use across a wide temperature range (-40°C to +85°C). It features an auto-purge valve to prevent pressure buildup during temperature changes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I get the most accurate OTDR measurements with a launch cable?\u003c\/strong\u003e\u003cbr\u003eA: Always clean and inspect the connectors on both the OTDR port and the launch cable before connecting. Use the correct OTDR range setting to include the full length of the launch cable plus the fiber link under test. Set the OTDR’s refractive index to match the fiber type (typically 1.4677 for G652D at 1310nm). For the most accurate results, perform bidirectional OTDR measurements and average the results.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: For support or bulk orders?\u003c\/strong\u003e\u003cbr\u003eA: Contact us at info@cpostore.com for B2B pricing, volume orders, or technical support.\u003c\/p\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1000m OTDR Launch Cable Box (G652D fiber, selected connector type and polish) ×1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Cpostore","offers":[{"title":"APC\/SC \/ APC\/SC","offer_id":46147955195974,"sku":"Launch Cable Box-1000","price":129.0,"currency_code":"USD","in_stock":true},{"title":"APC\/SC \/ APC\/FC","offer_id":46147955228742,"sku":"Launch Cable Box-1001","price":129.0,"currency_code":"USD","in_stock":true},{"title":"APC\/SC \/ APC\/LC","offer_id":46147955261510,"sku":"Launch Cable Box-1002","price":139.0,"currency_code":"USD","in_stock":true},{"title":"APC\/SC \/ 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APC","description":"\u003cdiv class=\"product-single__description rte\"\u003e\n\u003ch2\u003e2000m OTDR Launch Cable Box – Dead Zone Eliminator for Accurate Near-End Fiber Testing | G652D | SC \/ FC \/ LC \/ ST | UPC \u0026amp; APC\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e2000m OTDR Launch Cable Box\u003c\/strong\u003e is a field-ready fiber optic launch cable assembly containing \u003cstrong\u003e2,000 meters of G652D singlemode fiber\u003c\/strong\u003e wound inside a ruggedized, IP-rated hard-shell case. It connects between the OTDR and the fiber link under test to \u003cstrong\u003eeliminate the OTDR’s near-end dead zone\u003c\/strong\u003e, enabling accurate measurement of insertion loss and reflectance at the first connector of the link — measurements that would otherwise be masked by the OTDR’s launch pulse recovery time.\u003c\/p\u003e\n\u003cp\u003eAvailable with \u003cstrong\u003eSC, FC, LC, and ST\u003c\/strong\u003e connectors in both \u003cstrong\u003eUPC and APC\u003c\/strong\u003e polish, the 2000m launch cable box is the standard tool for OTDR testing of long-haul singlemode fiber links, FTTH feeder cables, and telecom OSP fiber where the near-end connector loss and reflectance must be accurately characterized.\u003c\/p\u003e\n\u003ch2\u003eWhat Is an OTDR Launch Cable Box and Why Is 2000m Needed?\u003c\/h2\u003e\n\u003cp\u003eEvery OTDR has a \u003cstrong\u003edead zone\u003c\/strong\u003e at the beginning of a trace — a blind region caused by the recovery time of the OTDR’s receiver after the high-power launch pulse. During this dead zone, the OTDR cannot accurately measure events (connectors, splices, faults) on the fiber. The dead zone has two components:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEvent Dead Zone (EDZ):\u003c\/strong\u003e The minimum distance after a reflective event (such as a connector) before the OTDR can detect another event — typically 1–5 meters for modern OTDRs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAttenuation Dead Zone (ADZ):\u003c\/strong\u003e The minimum distance after a reflective event before the OTDR can accurately measure loss — typically 10–80 meters depending on OTDR model and pulse width setting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBy inserting a \u003cstrong\u003e2000m launch cable\u003c\/strong\u003e between the OTDR and the link under test, the OTDR’s dead zone is pushed 2,000 meters into the launch cable — well before the first connector of the actual link. A \u003cstrong\u003e2000m launch cable\u003c\/strong\u003e is recommended for OTDRs with longer pulse widths (used for long-haul testing) where the attenuation dead zone can extend to several hundred meters.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2,000m G652D Singlemode Fiber:\u003c\/strong\u003e ITU-T G652.D compliant singlemode fiber — low attenuation (\u0026lt;0.5dB total at 1310nm for 2000m) ensures the launch cable itself does not significantly reduce OTDR dynamic range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRuggedized Hard-Shell Case:\u003c\/strong\u003e SR Polypropylene case with compound latch and locking feature — protects the fiber from damage in field environments. Water and dust resistant for indoor and outdoor use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Carabiner Clip:\u003c\/strong\u003e Allows the launch box to be clipped to a belt, ladder, or equipment rack during testing — keeping both hands free\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-In Cable Management:\u003c\/strong\u003e Fiber is neatly wound inside the case with built-in cable management — no tangling or kinking during deployment and retrieval\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto-Purge Valve:\u003c\/strong\u003e Prevents pressure buildup inside the sealed case during temperature changes — maintains case integrity in outdoor environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSC \/ FC \/ LC \/ ST Connectors, UPC \u0026amp; APC:\u003c\/strong\u003e Available in the most common singlemode connector types and polish types — select the configuration that matches your OTDR port and the fiber link under test\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Meter Lead Cables:\u003c\/strong\u003e 3mm buffer lead cables on both ends provide strain relief and easy connection to the OTDR port and the fiber link under test\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFiber \u0026amp; Connector Specifications\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiber Type\u003c\/td\u003e\n\u003ctd\u003eG652D (ITU-T G652.D singlemode)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiber Length\u003c\/td\u003e\n\u003ctd\u003e2,000m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Length\u003c\/td\u003e\n\u003ctd\u003e2 meters, 3mm buffer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical Loss\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.5dB @ 1310nm (2000m total)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Types\u003c\/td\u003e\n\u003ctd\u003eSC, FC, LC, ST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePolish Types\u003c\/td\u003e\n\u003ctd\u003eUPC, APC, PC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReturn Loss (UPC)\u003c\/td\u003e\n\u003ctd\u003e≥50dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReturn Loss (APC)\u003c\/td\u003e\n\u003ctd\u003e≥60dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReturn Loss (PC)\u003c\/td\u003e\n\u003ctd\u003e≥35dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRepeatability\u003c\/td\u003e\n\u003ctd\u003e≤0.2dB (1,000 mating cycles)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExchangeability\u003c\/td\u003e\n\u003ctd\u003e≤0.2dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eMechanical \u0026amp; Environmental Specifications\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase Dimensions\u003c\/td\u003e\n\u003ctd\u003e238mm × 141mm × 67mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase Material\u003c\/td\u003e\n\u003ctd\u003eSR Polypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase Color\u003c\/td\u003e\n\u003ctd\u003eYellow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (without fiber)\u003c\/td\u003e\n\u003ctd\u003e0.75kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e0 to 95%, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eCompliance Standards\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eITU-T G652.D (singlemode fiber)\u003c\/li\u003e\n\u003cli\u003eITU-T G656.A\u003c\/li\u003e\n\u003cli\u003eITU-T G651.1 OM1, OM2, OM3, OM4\u003c\/li\u003e\n\u003cli\u003eIEC 60793-2-10 Type A1a.1\/A1b (OM1\/OM2), Type A1a.2 (OM3), Type A1a.3 (OM4)\u003c\/li\u003e\n\u003cli\u003eRoHS Compliant — Directive 2011\/65\/EU\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to Use the OTDR Launch Cable Box\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelect the correct connector configuration\u003c\/strong\u003e — match the launch cable’s connector type (SC\/FC\/LC\/ST) and polish (UPC\/APC) to your OTDR’s optical port and the fiber link under test\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean the connectors\u003c\/strong\u003e — inspect and clean both the OTDR port and the launch cable connectors before connecting. Contaminated connectors are the most common cause of poor OTDR traces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect the launch cable to the OTDR\u003c\/strong\u003e — plug one end of the launch cable into the OTDR’s optical port\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect the launch cable to the fiber under test\u003c\/strong\u003e — plug the other end of the launch cable into the first connector of the fiber link under test\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet the OTDR range and pulse width\u003c\/strong\u003e — set the OTDR range to cover the full length of the fiber link plus the 2000m launch cable. The OTDR trace will show the launch cable as the first 2000m of fiber before the link under test begins\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcquire the OTDR trace\u003c\/strong\u003e — the near-end connector of the link under test will now appear clearly in the OTDR trace, outside the dead zone, with accurate loss and reflectance measurements\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003e2000m vs. 500m vs. 1000m Launch Cable: Which Length Do You Need?\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eLaunch Cable Length\u003c\/th\u003e\n\u003cth\u003eRecommended Use Case\u003c\/th\u003e\n\u003cth\u003eDead Zone Coverage\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e500m\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eShort-range testing, OTDRs with short pulse widths, FTTH drop fiber testing\u003c\/td\u003e\n\u003ctd\u003eCovers EDZ and ADZ for most modern OTDRs at short pulse widths\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1000m\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMedium-range testing, standard FTTH feeder and distribution fiber testing\u003c\/td\u003e\n\u003ctd\u003eCovers ADZ for most OTDRs at medium pulse widths\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cstrong\u003e2000m\u003c\/strong\u003e (this listing)\u003c\/td\u003e\n\u003ctd\u003eLong-haul testing, OTDRs with long pulse widths, applications requiring accurate near-end connector characterization\u003c\/td\u003e\n\u003ctd\u003eCovers ADZ for all OTDRs including those with long pulse widths (\u0026gt;1µs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eWe also stock 500m and 1000m OTDR launch cable boxes in the same connector configurations — see our related listings.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eIdeal Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-haul singlemode fiber testing\u003c\/strong\u003e — OTDR characterization of trunk fiber, feeder cables, and backbone fiber where long pulse widths create extended dead zones requiring a 2000m launch cable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFTTH feeder fiber testing\u003c\/strong\u003e — accurate measurement of near-end connector loss at the OLT or splitter input on FTTH feeder cables\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTelecom OSP fiber acceptance testing\u003c\/strong\u003e — IEC\/ITU-compliant OTDR testing of newly installed outside plant fiber cables, including accurate near-end connector characterization\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFiber fault location\u003c\/strong\u003e — locating breaks, high-loss splices, and connector faults near the launch end of a fiber link that would otherwise be hidden in the OTDR dead zone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBidirectional OTDR testing\u003c\/strong\u003e — used as both a launch cable (from one end) and a receive cable (from the other end) for bidirectional OTDR measurements required by IEC 61280-4-1 and TIA-568 fiber acceptance standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is an OTDR launch cable box?\u003c\/strong\u003e\u003cbr\u003eA: An OTDR launch cable box is a fiber optic cable assembly — typically 500m to 2000m of singlemode fiber wound in a protective case — that is connected between the OTDR and the fiber link under test. It pushes the OTDR’s dead zone away from the beginning of the link, allowing accurate measurement of the near-end connector and events close to the launch end of the fiber.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why do I need a 2000m launch cable instead of 500m or 1000m?\u003c\/strong\u003e\u003cbr\u003eA: The required launch cable length depends on your OTDR’s attenuation dead zone (ADZ) at the pulse width you are using. For long-haul testing with long pulse widths (\u0026gt;1µs), the ADZ can extend to several hundred meters — a 2000m launch cable ensures the dead zone is fully contained within the launch cable for all OTDR models and pulse width settings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What connector type and polish should I choose?\u003c\/strong\u003e\u003cbr\u003eA: Choose the connector type (SC, FC, LC, or ST) that matches your OTDR’s optical port and the fiber link under test. Choose \u003cstrong\u003eAPC\u003c\/strong\u003e (green connector, 8° angled) if your OTDR port or fiber link uses APC connectors — common in FTTH and PON networks. Choose \u003cstrong\u003eUPC\u003c\/strong\u003e (blue connector) for standard telecom and enterprise fiber applications. APC and UPC connectors are not interchangeable.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this launch cable box as a receive cable?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The launch cable box can be used as both a launch cable (connected at the near end of the OTDR) and a receive cable (connected at the far end of the fiber link) for bidirectional OTDR testing. Bidirectional testing is required by IEC 61280-4-1 and TIA-568 for fiber acceptance testing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What fiber type is used in this launch cable box?\u003c\/strong\u003e\u003cbr\u003eA: The launch cable uses \u003cstrong\u003eITU-T G652.D singlemode fiber\u003c\/strong\u003e — the standard singlemode fiber type for FTTH, telecom OSP, and long-haul applications. It is compatible with all standard singlemode OTDRs operating at 1310nm and 1550nm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the case waterproof?\u003c\/strong\u003e\u003cbr\u003eA: The case is water and dust resistant, rated for indoor and outdoor use across a wide temperature range (-40°C to +85°C). It features an auto-purge valve to prevent pressure buildup during temperature changes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: For support or bulk orders?\u003c\/strong\u003e\u003cbr\u003eA: Contact us at info@cpostore.com for B2B pricing, volume orders, or technical support.\u003c\/p\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e2000m OTDR Launch Cable Box (G652D fiber, selected connector type and polish) ×1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Cpostore","offers":[{"title":"APC\/SC \/ APC\/SC","offer_id":46147957293126,"sku":"Launch-cable-cable-2000M-1","price":169.0,"currency_code":"USD","in_stock":true},{"title":"APC\/SC \/ APC\/FC","offer_id":46147957325894,"sku":"Launch-cable-cable-2000M-2","price":169.0,"currency_code":"USD","in_stock":true},{"title":"APC\/SC \/ APC\/LC","offer_id":46147957358662,"sku":"Launch-cable-cable-2000M-3","price":169.0,"currency_code":"USD","in_stock":true},{"title":"APC\/SC \/ 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It connects between the OTDR and the fiber link under test to \u003cstrong\u003eeliminate the OTDR’s near-end dead zone\u003c\/strong\u003e, enabling accurate measurement of insertion loss and reflectance at the first connector of the link — measurements that would otherwise be masked by the OTDR’s launch pulse recovery time.\u003c\/p\u003e\n\u003cp\u003eAvailable with \u003cstrong\u003eSC, FC, LC, and ST\u003c\/strong\u003e connectors in both \u003cstrong\u003eUPC and APC\u003c\/strong\u003e polish, the 500m launch cable box is the most compact and lightweight option in the OTDR launch cable range — ideal for FTTH drop fiber testing, short-range singlemode fiber characterization, and field technicians who need a portable dead zone eliminator for OTDRs operating at short pulse widths.\u003c\/p\u003e\n\u003ch2\u003eWhat Is an OTDR Launch Cable Box and When Is 500m Sufficient?\u003c\/h2\u003e\n\u003cp\u003eEvery OTDR has a \u003cstrong\u003edead zone\u003c\/strong\u003e at the beginning of a trace — a blind region caused by the recovery time of the OTDR’s receiver after the high-power launch pulse. During this dead zone, the OTDR cannot accurately measure events (connectors, splices, faults) on the fiber. The dead zone has two components:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEvent Dead Zone (EDZ):\u003c\/strong\u003e The minimum distance after a reflective event before the OTDR can detect another event — typically 1–5 meters for modern OTDRs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAttenuation Dead Zone (ADZ):\u003c\/strong\u003e The minimum distance after a reflective event before the OTDR can accurately measure loss — typically 10–80 meters for modern OTDRs at short pulse widths\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA \u003cstrong\u003e500m launch cable\u003c\/strong\u003e is sufficient for OTDRs operating at \u003cstrong\u003eshort pulse widths (\u0026lt;100ns)\u003c\/strong\u003e, where the attenuation dead zone is typically less than 50–100 meters. This covers most modern handheld OTDRs used for FTTH drop fiber testing and short-range singlemode fiber characterization. For OTDRs using medium pulse widths (100ns–500ns) for longer fiber links, a 1000m launch cable is recommended. For long-haul testing with long pulse widths (\u0026gt;1µs), a 2000m launch cable is required.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e500m G652D Singlemode Fiber:\u003c\/strong\u003e ITU-T G652.D compliant singlemode fiber — the standard fiber type for FTTH, telecom OSP, and long-haul applications. Low attenuation ensures the launch cable itself does not significantly reduce OTDR dynamic range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP54 Ruggedized Hard-Shell Case:\u003c\/strong\u003e SR Polypropylene case with compound latch and locking feature — IP54 rated for water and dust resistance. Suitable for indoor and outdoor use across a wide temperature range (-40°C to +85°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact and Lightweight:\u003c\/strong\u003e The 500m configuration is the most portable option in the launch cable range — lighter than 1000m and 2000m versions, ideal for field technicians working from a tool bag or belt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Carabiner Clip:\u003c\/strong\u003e Allows the launch box to be clipped to a belt, ladder, or equipment rack during testing — keeping both hands free in the field\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-In Cable Management:\u003c\/strong\u003e Fiber is neatly wound inside the case with built-in cable management — no tangling or kinking during deployment and retrieval\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto-Purge Valve:\u003c\/strong\u003e Prevents pressure buildup inside the sealed case during temperature changes — maintains case integrity in outdoor environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSC \/ FC \/ LC \/ ST Connectors, UPC \u0026amp; APC:\u003c\/strong\u003e Available in the most common singlemode connector types and polish types — select the configuration that matches your OTDR port and the fiber link under test\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Meter Lead Cables:\u003c\/strong\u003e 3mm buffer lead cables on both ends provide strain relief and easy connection to the OTDR port and the fiber link under test\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFiber \u0026amp; Connector Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiber Type\u003c\/td\u003e\n\u003ctd\u003eG652D (ITU-T G652.D singlemode)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiber Length\u003c\/td\u003e\n\u003ctd\u003e500m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Length\u003c\/td\u003e\n\u003ctd\u003e2 meters, 3mm buffer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical Loss\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.5dB @ 1310nm (500m total)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Types\u003c\/td\u003e\n\u003ctd\u003eSC, FC, LC, ST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePolish Types\u003c\/td\u003e\n\u003ctd\u003eUPC, APC, PC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReturn Loss (UPC)\u003c\/td\u003e\n\u003ctd\u003e≥50dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReturn Loss (APC)\u003c\/td\u003e\n\u003ctd\u003e≥60dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReturn Loss (PC)\u003c\/td\u003e\n\u003ctd\u003e≥35dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRepeatability\u003c\/td\u003e\n\u003ctd\u003e≤0.2dB (1,000 mating cycles)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExchangeability\u003c\/td\u003e\n\u003ctd\u003e≤0.2dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eMechanical \u0026amp; Environmental Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase Dimensions\u003c\/td\u003e\n\u003ctd\u003e238mm × 141mm × 67mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase Material\u003c\/td\u003e\n\u003ctd\u003eSR Polypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase Color\u003c\/td\u003e\n\u003ctd\u003eYellow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIP Rating\u003c\/td\u003e\n\u003ctd\u003eIP54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (without fiber)\u003c\/td\u003e\n\u003ctd\u003e0.75kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e0 to 95%, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eCompliance Standards\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eITU-T G652.D (singlemode fiber)\u003c\/li\u003e\n\u003cli\u003eITU-T G656.A\u003c\/li\u003e\n\u003cli\u003eITU-T G651.1 OM1, OM2, OM3, OM4\u003c\/li\u003e\n\u003cli\u003eIEC 60793-2-10 Type A1a.1\/A1b (OM1\/OM2), Type A1a.2 (OM3), Type A1a.3 (OM4)\u003c\/li\u003e\n\u003cli\u003eTelcordia GR-326-Core\u003c\/li\u003e\n\u003cli\u003eRoHS Compliant — Directive 2011\/65\/EU\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to Use the OTDR Launch Cable Box\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelect the correct connector configuration\u003c\/strong\u003e — match the launch cable’s connector type (SC\/FC\/LC\/ST) and polish (UPC\/APC) to your OTDR’s optical port and the fiber link under test\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean the connectors\u003c\/strong\u003e — inspect and clean both the OTDR port and the launch cable connectors before connecting. Contaminated connectors are the most common cause of poor OTDR traces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect the launch cable to the OTDR\u003c\/strong\u003e — plug one end of the launch cable into the OTDR’s optical port\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect the launch cable to the fiber under test\u003c\/strong\u003e — plug the other end into the first connector of the fiber link under test\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet the OTDR range and pulse width\u003c\/strong\u003e — set the OTDR range to cover the full length of the fiber link plus the 500m launch cable. The OTDR trace will show the launch cable as the first 500m before the link under test begins\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcquire the OTDR trace\u003c\/strong\u003e — the near-end connector of the link under test will now appear clearly in the OTDR trace, outside the dead zone, with accurate loss and reflectance measurements\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003e500m vs. 1000m vs. 2000m Launch Cable: Which Length Do You Need?\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eLaunch Cable Length\u003c\/th\u003e\n\u003cth\u003eRecommended Use Case\u003c\/th\u003e\n\u003cth\u003eDead Zone Coverage\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cstrong\u003e500m\u003c\/strong\u003e (this listing)\u003c\/td\u003e\n\u003ctd\u003eFTTH drop fiber testing, short-range singlemode testing, OTDRs with short pulse widths (\u0026lt;100ns)\u003c\/td\u003e\n\u003ctd\u003eCovers EDZ and ADZ for most modern OTDRs at short pulse widths\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1000m\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard FTTH feeder and distribution fiber testing, telecom OSP acceptance testing, medium pulse widths (100ns–500ns)\u003c\/td\u003e\n\u003ctd\u003eCovers ADZ for most OTDRs at medium pulse widths\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e2000m\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLong-haul testing, OTDRs with long pulse widths (\u0026gt;1µs), maximum dead zone coverage\u003c\/td\u003e\n\u003ctd\u003eCovers ADZ for all OTDRs including those with long pulse widths\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eWe also stock 1000m and 2000m OTDR launch cable boxes in the same connector configurations — see our related listings.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eIdeal Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFTTH drop fiber testing\u003c\/strong\u003e — OTDR characterization of short FTTH drop cables from the splitter to the ONT; the 500m length is ideal for modern handheld OTDRs used in FTTH drop testing workflows\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShort-range singlemode fiber characterization\u003c\/strong\u003e — measuring insertion loss, reflectance, and splice loss on short singlemode fiber links for network commissioning and maintenance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField technician portable kit\u003c\/strong\u003e — the 500m configuration is the most compact and lightweight option, ideal for field technicians who carry their OTDR in a tool bag and need a portable dead zone eliminator\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFiber fault location\u003c\/strong\u003e — locating breaks, high-loss splices, and connector faults near the launch end of a fiber link that would otherwise be hidden in the OTDR dead zone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBidirectional OTDR testing\u003c\/strong\u003e — used as both a launch cable (near end) and a receive cable (far end) for bidirectional OTDR measurements required by IEC 61280-4-1 and TIA-568\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is an OTDR launch cable box?\u003c\/strong\u003e\u003cbr\u003e\nA: An OTDR launch cable box is a fiber optic cable assembly — typically 500m to 2000m of singlemode fiber wound in a protective case — connected between the OTDR and the fiber link under test. It pushes the OTDR’s dead zone away from the beginning of the link, allowing accurate measurement of the near-end connector and events close to the launch end of the fiber.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is 500m enough for my OTDR testing?\u003c\/strong\u003e\u003cbr\u003e\nA: A 500m launch cable is sufficient for OTDRs operating at short pulse widths (\u0026lt;100ns), where the attenuation dead zone is typically less than 50–100 meters. This covers most modern handheld OTDRs used for FTTH drop fiber testing. If your OTDR uses medium pulse widths (100ns–500ns) for longer fiber links, a 1000m launch cable is recommended. For long-haul testing with long pulse widths (\u0026gt;1µs), use a 2000m launch cable.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What connector type and polish should I choose?\u003c\/strong\u003e\u003cbr\u003e\nA: Choose the connector type (SC, FC, LC, or ST) that matches your OTDR’s optical port and the fiber link under test. Choose \u003cstrong\u003eAPC\u003c\/strong\u003e (green connector, 8° angled) if your OTDR port or fiber link uses APC connectors — common in FTTH and PON networks. Choose \u003cstrong\u003eUPC\u003c\/strong\u003e (blue connector) for standard telecom and enterprise fiber applications. APC and UPC connectors are not interchangeable.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the launch cable fiber type need to match the fiber under test?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. The fiber type (singlemode\/multimode), core size, and modal field diameter (MFD) of the launch cable must match the fiber under test to ensure measurement accuracy. This launch cable uses G652D singlemode fiber and is compatible with all standard singlemode OTDRs and singlemode fiber links.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this launch cable box as a receive cable?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. The launch cable box can be used as both a launch cable (connected at the near end of the OTDR) and a receive cable (connected at the far end of the fiber link) for bidirectional OTDR testing required by IEC 61280-4-1 and TIA-568.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the case waterproof?\u003c\/strong\u003e\u003cbr\u003e\nA: The case is \u003cstrong\u003eIP54 rated\u003c\/strong\u003e for water and dust resistance, suitable for indoor and outdoor use across a wide temperature range (-40°C to +85°C). It features an auto-purge valve to prevent pressure buildup during temperature changes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What fiber lengths are available?\u003c\/strong\u003e\u003cbr\u003e\nA: We stock 500m (this listing), 1000m, and 2000m OTDR launch cable boxes in the same connector configurations (SC\/FC\/LC\/ST, UPC\/APC). Custom lengths from 100m to 2200m are also available — contact us for custom orders.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: For support or bulk orders?\u003c\/strong\u003e\u003cbr\u003e\nA: Contact us at info@cpostore.com for B2B pricing, volume orders, or technical support.\u003c\/p\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e500m OTDR Launch Cable Box (G652D fiber, selected connector type and polish) ×1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Cpostore","offers":[{"title":"UPC\/SC \/ UPC\/SC","offer_id":46147959390278,"sku":"Launch Cable Box -500","price":131.99,"currency_code":"USD","in_stock":true},{"title":"UPC\/SC \/ UPC\/FC","offer_id":46147959423046,"sku":"Launch Cable Box -501","price":131.99,"currency_code":"USD","in_stock":true},{"title":"UPC\/SC \/ UPC\/LC","offer_id":46147959455814,"sku":"Launch Cable Box -502","price":131.99,"currency_code":"USD","in_stock":true},{"title":"UPC\/SC \/ 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