complete full test of speech channel indicators including point electric level, frequency response, level response, cross talk, idle channel noise, quantizing distortion in A-A,  A-D, D-A, D-D modes

Support manual test, auto loop test, auto end-to-end test, optional circuit auto test, etc. It sets up inserted PCM transceiver indicator template, to determine if data be out-of-tolerance. Beep report when out of tolerance, and mark on the record. 

Support pairs of reference test signal, 1020Hz or 820Hz optional, meet diversified need of clients. 

2M interface supported: Multi PCM system including PCM30  PCM31  PCM30CRC  PCM31CRC.

Test results can be displayed with diagram mode, sent to printer for printing, or be sent to PC to save.

Feed and loop circuit maintenance function can be supported for Two-wire Interface.

Support G.821 E1 error test.

Inserted big storage record unit, it can save 1500 items speech channel test record, 240 items error test record.

Support RS-232 serial port and SPP parallel interface, software can be upgraded on line.

Adopt DSP and VLSI. All signal process is managed by DSP processor software, maintaining stable and precise test results.

Adopt large color LCD display screen.

Support manual test, auto loop test, auto end-to-end test, optional circuit auto test, etc. It sets up inserted PCM transceiver indicator template, to determine if data be out-of-tolerance. Beep report when out of tolerance, and mark on the record.