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StarTech.com LOOPBACKPLUG100G, Fiber cable tester, QSFP28, Loopback testing, Silver, Metal, Plastic, Male
- Reliable 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
- Accurate 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
- Built 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
- Field-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
- The IT Pro's Choice: Our network tools and testers are rigorously tested in our Innovation Lab to ensure enterprise-grade reliability and durability; Built for quick diagnostics and routine maintenance across copper and fiber networks; Backed by free lifetime 24/5 multi-lingual technical assistance
Category: Network Cable Testers






