It refers to the process of transmitting electronic signals or digital data streams and returning to their sending point without any intentional processing or modification.
![]() Loopback Software How To Make UseBut what a loopback test means for fiber optic network and how to make use of it will be the issues that we will explore in this post.As you know, the transceiver is the basic component of fiber optic communication network equipment.Conventionally, a transceiver has a transmitting port and a receiving port, in that way, the loopback test can be applied to test the ports to diagnose whether the transceiver is working well and the configuration of the switch is right. ![]() In the next part, we will deliver how to do the fiber loopback test on the transceiver. To know more about loopback cable, you can move to the article: What Is Loopback Cable And How to Use It. At this step, you can examine whether the port and transceiver parameters are normal. At this step, you can examine whether the port and transceiver data rate are matching as well as the link is normal or not. In this post, we have an overview of loopback and make a demonstration of how to conduct the loopback test on a switch to debug the transceiver and the switch port. Copyright 2016 fiber-optic-tutorial.com. All Rights Reserved.
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