Eaton Tripp Lite Series Multimode 50/125 OM3 Loopback Fiber Optic Cable Tester (12F MTP/MPO Female), LSZH, Aqua - Fiber Optic Cable Testing, Cable Testing - Optical Fiber - 40 Gigabit Ethernet - 40GBase-X

Features | Perform Optical Link Testing of Your 40Gb QSFP+ Devices

The N844B-LOOP-12F is an OM3-rated 50/125 fiber optic loopback cable with an MTP/MPO female connector with a 12-pin configuration (1-12, 2-11, 3-10, 4-9, 5-8, 6-7), allowing testing to be performed on a complete link. With an overall length of approximately 4 inches, the N844B-LOOP-12F is easy to take with you for testing anywhere in the network. An included dust cap protects the connector when not in use.