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StarTech.com QSFP28 Loopback Module, 100G Passive QSFP28 Loopback Adapter, QSFP Port Tester, 100G QSFP Loopback Test Plug - MSA Compliant – photo 1
StarTech.com QSFP28 Loopback Module, 100G Passive QSFP28 Loopback Adapter, QSFP Port Tester, 100G QSFP Loopback Test Plug - MSA Compliant – photo 2
StarTech.com QSFP28 Loopback Module, 100G Passive QSFP28 Loopback Adapter, QSFP Port Tester, 100G QSFP Loopback Test Plug - MSA Compliant – photo 3
StarTech.com QSFP28 Loopback Module, 100G Passive QSFP28 Loopback Adapter, QSFP Port Tester, 100G QSFP Loopback Test Plug - MSA Compliant – photo 4
StarTech.com QSFP28 Loopback Module, 100G Passive QSFP28 Loopback Adapter, QSFP Port Tester, 100G QSFP Loopback Test Plug - MSA Compliant – photo 5
STARTECH

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

97,90 €
Ex Tax: 80,91 €
  • Stock in vendor warehouse: 6 left
  • Brand: STARTECH
  • Model: LOOPBACKPLUG100G
  • Weight: 0.05 kg
  • EAN: 065030923491
  • Product code: 872805
Ships from a partner warehouse Delivery in 10–15 working days
97,90 € Ex Tax: 80,91 €
  • 2-year legal guaranteeStatutory, as for all new goods in the EU
  • 14-day returnsChanged your mind? No questions asked
  • Flexible paymentCard, Apple Pay, Google Pay, instalments
  • Delivery across LithuaniaDPD courier, parcel lockers or pickup in Vilnius
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Key features

  • <b>Reliable QSFP Testing</b>: 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
  • <b>Accurate Test Performance</b>: 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
  • <b>Built for Durability</b>: 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
  • <b>Field-Ready Design</b>: 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
  • <b>The IT Pro's Choice</b>: 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
Tags: startech servers , startech server

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 100Ω 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.

Specifications

Features
Product type Fiber cable tester
Supported connectors QSFP28
Built-in display No
Test type Loopback testing
Product colour Silver
Housing material Metal, Plastic
Connector gender Male
Networking standards IEEE 802.3ba
Certificates
Compliance certificates Trade Agreements Act (TAA), RoHS, CE
Operational conditions
Operating temperature (T-T) -40 - 75 °C
Storage temperature (T-T) -40 - 75 °C
Weight & dimensions
Width 18.8 mm
Depth 126 mm
Height 13.3 mm
Weight 38 g
Packaging data
Package width 95 mm
Package depth 20 mm
Package height 15 mm
Package weight 46 g
Logistics data
Master (outer) case width 430 mm
Master (outer) case length 335 mm
Master (outer) case height 400 mm
Products per master (outer) case 1000 pc(s)

Documents

Manufacturer and safety information

Manufacturer StarTech.com Ltd. Artisans Crescent 45, N5V 5E9 Ontario, London, CA startech.com
EU responsible person StarTech.com Limited Laarderhoogtweg 25, 1101 EB Amsterdam, NL startech.com
Distributor MB KOMPIUTERIŲ GURU V. Nagevičiaus g. 3, LT-08237 Vilnius [email protected]