Tripp Lite N844-LOOP-12F MTP / MPO OM3 Fiber Optic Loopback Tester is typically used for test and measurement procedures in networking environments. The device is ideal for a multitude of applications that require signal looping in a MTP / MPO form factor. Features push-pull tab for easy disconnect. A dust cap is included for protection during storage. Key Features MTP / MPO OM3 Loopback Tester Push-pull tab for quick disconnect Protective dust cover included for protection during storage 4-inch overall length Pin configure: 1 -12, 2-11, 3-10, 4-9, 5-8, 6-7 Lifetime limited warranty Typical Applications 40GbE QSFP+ optical testing Manufacturing test Troubleshooting Quality control System Requirements Networking hardware with MTP / MPO ports Package Includes MTP / MPO Fiber Optic Loopback Tester (Multimode 50/125um, OM3) - Female