StarTech.com LC Loopback Plug, Single Mode 9/125 LC Fiber Loopback Adapter, LC/UPC Connector Loopback Test Plug, Fiber Optic Loopback Tester - 0dB

Reliable Fiber Testing: Create a loopback test connection with this LC/UPC Single Mode fiber loopback plug; Low-loss 0dB design enables precise baseline testing; Compatible with high-density LC ports for easy access in crowded and rackmount installations.

Accurate Test Performance: Maintain clean loopback signaling with low insertion loss; Repeatability within 0.2dB ensures consistent results across multiple connections; Return loss above 50dB minimizes back-reflection for stable signaling.