PCM data channel test equipment between connection switching subsystem and spatial switch

摘要

The present invention relates to an apparatus for checking whether a PCM data is transmitted / received through a PCM data channel between an Access Switching Subsystem (ASS) and a Space Switch (SSW) of an exchange, ) And the SSW, error detectors 1-1 to 1-n, 2 are configured, respectively; The error detectors 1-1 and 2 are configured to generate predetermined PCM data for test and output the data to a predetermined PCM data channel and to input test PCM data from the PCM data channel to determine whether an error has occurred .;That is, the present invention has an effect that the transmission / reception state of PCM data can be checked through the entire PCM data channel by configuring the error detection units in the ASS and SSW, respectively.