![]() ![]() ![]() In conclusion, a loopback test is an easy way to confirm that your current hardware is working properly. Loopback created with single fiber strand If not, further troubleshooting is necessary. If lit, the port of hardware is functioning properly. ![]() ![]() Once the ports are connected review the status of the link light. If using a loopback module the Tx and Rx ports will be connected to each other, if using a transceiver install the isolated ends of the same strand of cabling to the transmit and receive ports of the transceiver.ģ. (If testing a module with a 40km or greater reach utilize the appropriate optical attenuator).Ģ. Install transceiver or loopback module into switch. Remove collar and isolate both ends of the same strand of cable How to perform and confirm a loopback test using a single strand of fiber:ġ. Creating a single strand of fiber out of a duplex cable takes a couple of extra steps.Ģ. It requires a self-contained loopback module or a single strand of fiber. A loopback test eliminates superfluous connections and confirms that a transceiver or port is functioning properly by connecting the transmitter and receiver of the same module. ![]()
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