ATIS Telecom Glossary
Tuesday, July 29, 2014

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digital loopback
A mechanism incorporated into a terminal or into equipment in the network whereby a duplex communication path may be connected back upon itself so that the digits sent on the transmit path are returned on the receive path. [After T1.206-1994] Note: Loopback tests should be used only to check for circuit continuity and not for more subtle performance problems.

 

 

 

 

 

 

 

 

 

 



 
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