{"product_id":"startech-qsfp28-loopback-module-100g-passive-qsfp28-loopback-adapter-qsfp-port-tester-100g-qsfp-loopback-test-plug-msa-compliant","title":"StarTech QSFP28 Loopback Module, 100G Passive QSFP28 Loopback Adapter, QSFP Port Tester, 100G QSFP Loopback Test Plug - MSA Compliant","description":"StarTech QSFP28 Loopback Module, 100G Passive QSFP28 Loopback Adapter, QSFP Port Tester, 100G QSFP Loopback Test Plug - MSA Compliant\n\u003cp\u003eThis QSFP28 Loopback Module is designed for testing 100G ports in switches, NICs, and other QSFP28-equipped devices. It supports passive electrical loopback for verifying signal continuity, link stability, and port behavior without requiring active optics.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTest 100G QSFP28 Connections\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eThe QSFP28 Loopback Adapter emulates 4-lane electrical testing for QSFP28 ports operating at 100Gbps, and supports 40GBASE and 100GBASE Ethernet. It is MSA compliant and meets IEEE 802.3 requirements for reliable performance and universal compatibility.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eAccurate Signal Diagnostics\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003ePerform electrical loopback testing for full 100G link verification. Ensure consistent signaling with 100Ω impedance and low jitter for stable, repeatable test results under real-world conditions.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFor Enterprise Network Switches\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eConnect directly to QSFP28 ports on switches, routers, and NICs for inline port testing. Compact and low-power, it is an essential tool for network technicians and IT pros 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\/1088601164.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 QSFP TESTING: Create a loopback test connection with this QSFP28 passive electrical loopback module; Connects directly to QSFP28 ports for testing signal continuity and verifying electrical link integrity at 100Gbps\u003c\/li\u003e\n\u003cli\u003eACCURATE TEST PERFORMANCE: Supports 28Gbps per lane across four lanes with 100Ω impedance for stable signal reflection; Low jitter and consistent lane performance ensure reliable test results during diagnostics\u003c\/li\u003e\n\u003cli\u003eBUILT FOR DURABILITY: Optimized for multiple test cycles with a compact, low-power design; Meets IEEE 802.3 requirements and MSA compliance for universal compatibility and guaranteed performance\u003c\/li\u003e\n\u003cli\u003eFIELD-READY DESIGN: Compact module is ideal for technicians performing port-level diagnostics and hardware validation; Quickly confirm QSFP28 port behavior during system maintenance or troubleshooting; No optical transceiver required\u003c\/li\u003e\n\u003cli\u003eTHE IT PRO'S CHOICE: Our network tools and testers are rigorously tested in our Innovation Lab to ensure enterprise-grade reliability and durability; Bui\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"StarTech.com","offers":[{"title":"Default Title","offer_id":44377305907380,"sku":"LOOPBACKPLUG100G","price":100.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0040\/7201\/3935\/files\/1088601164.jpg?v=1788461210","url":"https:\/\/www.itpartsnow.com\/products\/startech-qsfp28-loopback-module-100g-passive-qsfp28-loopback-adapter-qsfp-port-tester-100g-qsfp-loopback-test-plug-msa-compliant","provider":"IT Parts Now","version":"1.0","type":"link"}