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StarTech.com QSFP28 Loopback Module, 100G Passive QSFP28 Loopback Adapter, QSFP Port Tester, 100G QSFP Loopback Test Plug - MSA Compliant

Product code: LOOPBACKPLUG100G
  • StarTech.com QSFP28 Loopback Module
  • 100G Passive QSFP28 Loopback Adapter
  • QSFP Port Tester
  • 100G QSFP Loopback Test Plug - MSA Compliant
  • Fiber cable tester
  • QSFP28
  • Loopback testing
  • Silver
  • Metal
  • Plastic
  • Male

StarTech.com QSFP28 Loopback Module, 100G Passive QSFP28 Loopback Adapter, QSFP Port Tester, 100G QSFP Loopback Test Plug - MSA Compliant

Product code Alt: LOOPBACKPLUG100G
StarTech.com QSFP28 Loopback Module, 100G Passive QSFP28 Loopback Adapter, QSFP Port Tester, 100G QSFP Loopback Test Plug - MSA Compliant

Product Description

Perform loopback testing and verify signal continuity across QSFP28 connections and port interfaces

This 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.

Test 100G QSFP28 Connections

The 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.

Accurate Signal Diagnostics

Perform electrical loopback testing for full 100G link verification. Ensure consistent signaling with 100O impedance and low jitter for stable, repeatable test results under real-world conditions.

For Enterprise Network Switches

Connect 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.

Features

  • 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 100O 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
    •

    Specifications

    Features
    Product type
    Fiber cable tester
    Supported connectors
    QSFP28
    Built-in display
    No

    Customer Reviews

    No reviews have been written for this product yet.

    £48.23 excl. VAT
    20 in stock

    Product code: LOOPBACKPLUG100G
    • StarTech.com QSFP28 Loopback Module
    • 100G Passive QSFP28 Loopback Adapter
    • QSFP Port Tester
    • 100G QSFP Loopback Test Plug - MSA Compliant
    • Fiber cable tester
    • QSFP28
    • Loopback testing
    • Silver
    • Metal
    • Plastic
    • Male
    £48.23 excl. VAT
    20 in stock

    Product Description

    Perform loopback testing and verify signal continuity across QSFP28 connections and port interfaces

    This 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.

    Test 100G QSFP28 Connections

    The 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.

    Accurate Signal Diagnostics

    Perform electrical loopback testing for full 100G link verification. Ensure consistent signaling with 100O impedance and low jitter for stable, repeatable test results under real-world conditions.

    For Enterprise Network Switches

    Connect 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.

    Features

  • 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 100O 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
    •

    Specifications

    Features
    Product type
    Fiber cable tester
    Supported connectors
    QSFP28
    Built-in display
    No

    Customer Reviews

    No reviews have been written for this product yet.