{"product_id":"startech-mpo-loopback-plug-single-mode-9-125-mpo-12-female-fiber-loopback-adapter-mpo-mtp-female-loopback-tester","title":"StarTech MPO Loopback Plug, Single Mode 9\/125 MPO-12 Female Fiber Loopback Adapter, MPO\/MTP Female Loopback Tester","description":"StarTech MPO Loopback Plug, Single Mode 9\/125 MPO-12 Female Fiber Loopback Adapter, MPO\/MTP Female Loopback Tester\n\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-12 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 12-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-12 female connector attaches to male MPO\/MTP interfaces with alignment pins, supporting 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 \u003cp\u003e\u003ca id=\"gfk-spex-minisite\" rel=\"nofollow\" href=\"javascript:void(0)\" onclick=\"javascript:window.open('\/\/content.etilize.com\/mini-site\/en_us\/1088601146.html','_blank','height=800,width=780,resizable=yes,scrollbars=yes,toolbar=no,menubar=no,location=no,directories=no,status=no');return false;\"\u003eMore from the Manufacturer\u003c\/a\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRELIABLE FIBER TESTING: Create a loopback test connection with this MPO female Single Mode fiber loopback plug; Female MPO-12 connector for testing male MPO interfaces with fixed alignment pins; Test 12-fiber male MPO\/MTP cables and QSFPs for continuity\u003c\/li\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 cables and verify performance in single mode MPO\/MTP patch panels and transceivers; Includes protective dust cap\u003c\/li\u003e\n\u003cli\u003eTHE IT PRO'S CHOICE: Our network tools and testers ar\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"StarTech.com","offers":[{"title":"Default Title","offer_id":44379698659508,"sku":"LOOPBACKMTP12OS2SMF","price":82.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0040\/7201\/3935\/files\/1088601146.jpg?v=1788966857","url":"https:\/\/www.itpartsnow.com\/products\/startech-mpo-loopback-plug-single-mode-9-125-mpo-12-female-fiber-loopback-adapter-mpo-mtp-female-loopback-tester","provider":"IT Parts Now","version":"1.0","type":"link"}