So, what is exactly the fiber optic loopback? Before deciding which loopback cable to use, we should firstly know the structure and classification of fiber loopback cable.By diagnosing the problems of optical equipment, fiber optic loopback provides an easy way to test the performance of the optical network devices. It is very useful for solving physical connection problems.This post will be a guide on how to choose a right loopback cablefor specific transceiver module. In terms of telecommunication, loopback is a hardware or software method to feed a received signal or data back to the sender. Fiber optic loopback is widely used for various applications. It is known as the routing of electronic signals, digital data streams, or flows of items back to their source without intentional processing or modification. When testing the transmission equipment, fiber optic loopback device is often used as the testing tool.
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