Fiber Optic Loopback modules are also called optical loopback adapters. There are LC loopback modules, SC
loopback modules and other types. They are designed for testing, engineering and the burn-in stage of boards
or other equipment. Optical loopback adapters provide system test engineers a simple but effective way of
testing the transmission capability and the receiver sensitivity of network equipment.

* Low insertion loss, High return loss * User friendly, Compact size * PVC or LSZH Jacket * PC/UPC/APC polish *
Good exchangeability and repeatability * Comply with Telcordia GR-326-CORE Specification *100% functionally
tested guaranteeing performance and integrity * RoHS,CE Approval.