Camplex CMX-LB-SM-LC Single-Mode Fiber Loopback Testing / Extending Module

Designed to validate optical networking equipment and troubleshoot fiber optic systems, the Camplex CMX-LB-SM-LC is a loopback tester and signal extender featuring a UPC LC connector and designed for single-mode fiber networks. With low insertion loss, this tester is engineered for reliability and accuracy.

This tester creates a closed-loop connection between transmit and receive ports, allowing techs to verify signal integrity, and diagnose link failures. The unit can be used to confirm proper equipment operation without a remote connection and extend signals through patching. The compact and durable housing makes it easy to deploy in tight spaces.