StarTech MPO Loopback Plug, Single Mode 9/125 MPO-12 Male Fiber Loopback Adapter, MPO/MTP Male Loopback Tester - MPO/MTP Male Single Mode 9/125um fiber loopback test plug; Male MPO-12 connector for testing MPO patch panels and QSFP transceivers; 12-fiber configuration with APC-polished ends; Low Insertion Loss; IEC and RoHS compliant
