Product

A fiber optic loopback is used for testing and self-inspection of optical communication equipment. By returning the optical signal to the receiving end, it verifies the transmit and receive functions of the port, ensuring the equipment operates normally. It is widely used in data centers, optical network maintenance, and laboratory testing, supporting single-mode and multimode fiber and various interfaces (LC/SC/FC/ST), with low insertion loss and high return loss to ensure test accuracy and stability.