{"product_id":"startech-lc-loopback-plug-single-mode-9125-lc-fiber-optic-loopback-adapter-lcupc-connector-loopback-test-plug-0db-loopbacklclc00d","title":"StarTech LC Loopback Plug, Single Mode 9\/125 LC Fiber Optic Loopback Adapter, LC\/UPC Connector Loopback Test Plug - 0dB - LOOPBACKLCLC00DB","description":"\u003ch3\u003e\u003cstrong\u003e\u003cem style=\"display: block; text-align: center;\"\u003eStarTech LC Loopback Plug, Single Mode 9\/125 LC Fiber Optic Loopback Adapter, LC\/UPC Connector Loopback Test Plug - 0dB - LOOPBACKLCLC00DB\u003c\/em\u003e\u003c\/strong\u003e\u003c\/h3\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eACCURATE TEST PERFORMANCE: Maintain clean loopback signaling with insertion loss below 0.3dB; Repeatability within 0.2dB ensures consistent results across multiple connections; Return loss above 50dB minimizes back-reflection for stable signaling\u003c\/li\u003e\n\u003cli\u003eBUILT FOR DURABILITY: Optimized for 1,000 test cycles using high-precision ceramic ferrules in a compact ABS housing; Built in compliance with IEC and RoHS standards for reliable testing in regulated environments\u003c\/li\u003e\n\u003cli\u003eFIELD-READY DESIGN: Compact form factor is ideal for technicians performing on-site diagnostics and fault isolation; Quickly troubleshoot and verify performance in single mode LC patch panels and transceivers; Includes protective dust caps\u003c\/li\u003e\n\u003cli\u003eRELIABLE FIBER TESTING: Create a loopback test connection with this LC\/UPC Single Mode fiber loopback plug; Low-loss 0dB design enables precise baseline testing; Compatible with high-density LC ports for easy access in crowded and rackmount installations\u003c\/li\u003e\n\u003cli\u003eTHE IT PRO'S CHOICE: Our network tools and testers are rigorously tes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct Overview\u003c\/h3\u003e\u003cp\u003eThis Single Mode LC Loopback Plug is a practical tool for verifying signal continuity, insertion loss, and port function in fiber optic networks. Ideal for technicians and IT Pros, it enables fast, consistent testing across LC\/UPC fiber connections.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTest Single Mode Connections\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eThis 9\/125um LC Loopback Adapter is compatible with OS1 and OS2 LC\/UPC cabling in point-to-point and structured installations. IEC and RoHS compliance ensures readiness for standardized deployments and testing in regulated environments.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eAccurate Signal Diagnostics\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eValidate transceivers, isolate faults, and confirm port function across single mode LC switches and SFP\/SFP+ devices. The 0dB low-loss design and high-precision ceramic ferrules deliver clean signaling for accurate, reliable diagnostics.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFor Enterprise Fiber Switches\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eThe streamlined LC connector fits securely into high-density fiber arrays without blocking adjacent ports. A durable ABS housing withstands wear from repeated use and is suitable for frequent testing in data centers and edge or on-prem installations.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cdiv class=\"tech-specs\"\u003e\u003cdiv\u003e\n\u003ch4\u003e\u003cstrong\u003eGeneral Information\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul class=\"attr_group\"\u003e\n\u003cli\u003eManufacturer: StarTech.com\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: LOOPBACKLCLC00DB\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBrand Name: StarTech.com\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eProduct Name: LOOPBACKLCLC00DB\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePackaged Quantity: 1\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eProduct Type: Fiber Optic Loopback\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eTechnical Information\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul class=\"attr_group\"\u003e\u003cli\u003eDevice Function: \u003cul\u003e\n\u003cli\u003eFiber Optic Cable Testing\u003c\/li\u003e\n\u003cli\u003eNetwork Testing\u003c\/li\u003e\n\u003cli\u003eNetwork Troubleshoot\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003ePhysical Characteristics\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul class=\"attr_group\"\u003e\n\u003cli\u003eColor Family: Blue\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eProduct Color: Blue\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHeight: 0.3\"\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWidth: 0.6\"\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWeight (Approximate): 0.10 oz\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eMiscellaneous\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul class=\"attr_group\"\u003e\n\u003cli\u003eTAA Compliant: Yes\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eEnvironmental Compliance: Restriction of Hazardous Substances (RoHS)\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul class=\"attr_group\"\u003e\u003cli\u003eLimited Warranty: 2 Year\u003cbr\u003e\n\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\u003c\/div\u003e","brand":"StarTech.com","offers":[{"title":"Default Title","offer_id":53572133454008,"sku":"LOOPBACKLCLC00DB","price":52.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/9110\/4952\/files\/1088601137_4a1fcfdb-1299-4227-b1ab-335a0e97b0a3.jpg?v=1780987721","url":"https:\/\/islandelectricalsupply.com\/products\/startech-lc-loopback-plug-single-mode-9125-lc-fiber-optic-loopback-adapter-lcupc-connector-loopback-test-plug-0db-loopbacklclc00d","provider":"Island Electrical Supply","version":"1.0","type":"link"}