Adapters & Couplers · RJ45 Loopback Adapters
Picture of Network Loopback Testers
Picture of Network Loopback Testers Picture of Network Loopback Testers Picture of Network Loopback Testers
5 configurations in this family

Network Loopback Testers

Networx® Network Loopback Testers provide a convenient way to test compatible network and telecommunications ports by returning transmitted signals to the receiving interface.
Key specifications
P/N
LB-TEST
Configurations

Available configurations 5

  • Gigabit RJ45 Loopback Tester
    LB-GB45S $8.49
  • ISDN (BRI) Loopback Tester
    LB-IBRIS $8.49
  • ISDN (PRI) Loopback Tester
    LB-IPRIS $8.49
  • RJ45 Loopback Tester
    LB-RJ45S $8.49
  • T1/E1 Loopback Tester
    LB-T1E1S $8.49
ConfigurationSKUGTINMSRPColorConnector AConnector BManufacturerStyleWarrantyRoHS Compliant
Gigabit RJ45 Loopback TesterLB-GB45S00845425016560$8.49BlueRJ45 JackRJ45 PlugNetworx®LoopbackLifetime WarrantyYes
ISDN (BRI) Loopback TesterLB-IBRIS00845425016577$8.49BlueRJ45 JackRJ45 PlugNetworx®Lifetime WarrantyYes
ISDN (PRI) Loopback TesterLB-IPRIS00845425016591$8.49BlueRJ45 JackRJ45 PlugNetworx®LoopbackLifetime WarrantyYes
RJ45 Loopback TesterLB-RJ45S00845425016522$8.49BlueRJ45 JackRJ45 PlugNetworx®LoopbackLifetime WarrantyYes
T1/E1 Loopback TesterLB-T1E1S00845425016546$8.49BlueRJ45 JackRJ45 PlugNetworx®LoopbackLifetime WarrantyYes
Solution overview

About this family

Network Loopback Testers provide a practical solution for testing, diagnosing, and troubleshooting compatible network and telecommunications equipment. Each tester routes transmitted signals back to the receiving interface, helping technicians verify port operation and identify potential hardware or connection issues. This group includes models for Gigabit RJ45, standard RJ45, ISDN BRI, ISDN PRI, and T1/E1 applications, making it suitable for a variety of network service and maintenance environments.

  • Designed for network and telecommunications testing
  • Routes transmitted signals back to the receiving interface
  • Helps verify port operation and equipment functionality
  • Includes models for Gigabit RJ45 and standard RJ45 applications
  • Includes separate ISDN BRI and ISDN PRI testing options
  • Includes a model for compatible T1/E1 connections
  • Compact design is convenient for field service and bench testing
  • Reusable construction supports repeated diagnostics and troubleshooting