{"product_id":"startech-mpo-loopback-plug-single-mode-9125-mpo-8-male-fiber-loopback-adapter-mpomtp-loopback-test-plug-mpo-male-loopback-tester-loopbackmtps25m","title":"StarTech MPO Loopback Plug, Single Mode 9\/125 MPO-8 Male Fiber Loopback Adapter, MPO\/MTP Loopback Test Plug MPO Male Loopback Tester - LOOPBACKMTPSM9125M","description":"\u003ch3\u003e\u003cstrong\u003e\u003cem style=\"display: block; text-align: center;\"\u003eStarTech MPO Loopback Plug, Single Mode 9\/125 MPO-8 Male Fiber Loopback Adapter, MPO\/MTP Loopback Test Plug MPO Male Loopback Tester - LOOPBACKMTPSM9125M\u003c\/em\u003e\u003c\/strong\u003e\u003c\/h3\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eACCURATE TEST PERFORMANCE: Maintain precise loopback signaling with insertion loss below 0.35dB; 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 multiple 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 MPO\/MTP patch panels and transceivers; Includes protective dust cap\u003c\/li\u003e\n\u003cli\u003eRELIABLE FIBER TESTING: Create a loopback test connection with this MPO Single Mode fiber loopback plug; Male MPO-8 connector for testing female MPO\/MTP ports; Test 8-fiber MPO switch panels and interfaces for continuity\u003c\/li\u003e\n\u003cli\u003eTHE IT PRO'S CHOICE: Our network tools and testers are rigorously tested in our Innovation La\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct Overview\u003c\/h3\u003e\u003cp\u003eThis Single Mode MPO 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 MPO-based fiber connections.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTest Single Mode Connections\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eThis 9\/125um MPO-8 Loopback Adapter is compatible with OS1 and OS2 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 MPO transceivers, isolate faults, and confirm port behavior across high-speed parallel optic links. The fixed 8-fiber configuration with precision-aligned 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 MPO-8 male connector attaches directly to female MPO\/MTP ports for high-density testing without disrupting adjacent connections. 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\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: LOOPBACKMTPSM9125M\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBrand Name: StarTech.com\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eProduct Name: LOOPBACKMTPSM9125M\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: Dual Color\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eProduct Color: \u003cul\u003e\n\u003cli\u003eBlack\u003c\/li\u003e\n\u003cli\u003eGreen\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHeight: 0.4\"\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWidth: 0.8\"\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":53572133552312,"sku":"LOOPBACKMTPSM9125M","price":68.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/9110\/4952\/files\/1088601139_be944b48-20c8-4177-8794-659543bc5ca3.jpg?v=1780987726","url":"https:\/\/islandelectricalsupply.com\/products\/startech-mpo-loopback-plug-single-mode-9125-mpo-8-male-fiber-loopback-adapter-mpomtp-loopback-test-plug-mpo-male-loopback-tester-loopbackmtps25m","provider":"Island Electrical Supply","version":"1.0","type":"link"}