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loopback test
Last modified: Monday, July 16, 2001 

A diagnostic procedure in which a signal is transmitted and returned to the sending device after passing through all or a portion of a network or circuit. The returned signal is compared with the transmitted signal in order to evaluate the integrity of the equipment or transmission path. A computer needs a loopback plug that is inserted into a port in order to perform a loopback test.

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related categories

Error Correction

File Transfer

Network Management

Procedures, Functions and Routines

related terms

loopback address

loopback plug

port

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