StarTech.com MPO Loopback Plug, Single Mode 9/125 MPO-12 Male Fiber Loopback Adapter, MPO/MTP-APC Connector Loopback Test Plug, MPO Male Loopback Tester

Reliable Fiber Testing: Create a loopback test connection with this MPO Single Mode fiber loopback plug; Male MPO-12 connector for testing female MPO/MTP ports; Test 12-fiber MPO installations and QSFP transceivers for continuity.

Accurate Test Performance: Maintain precise loopback signaling with insertion loss below 0.35dB; Repeatability within 0.2dB ensures consistent results across multiple connections; Return loss above 50dB minimizes back-reflection for stable signaling.