Specifications

DXP Correspondence Manual
Diagnostics
14.6
This test checks all 256 timeslots with a write/read algorithm pattern
Time Switch
similar to that of the scratch/NOV-RAM test. All voice and tones into
and out of the DXP pass through the timeswitch.
Memory Test
14.7 1
This diagnostic test checks the two main DTMF receivers on the CPU
Main CPU DTMF
I
board for functionality. It performs its check by connecting DTMF
Receiver Test
tones O-9, SC, and # through the timeswitch and confirming that the
correct tone was recognized by the receiver. If an error occurs, the
I
system displays a message stating which receiver failed.
14 8 This diagnostic test checks all of the DTMF receivers on the installed
AUX Boaid
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auxiliary boards. The same functional DTMF tone check is performed
as for the two main DTMF receivers. If an error occurs. the svstem
DTMF Receiver
displays a message stating which DTMJ? receiver on which DTMF
Test
tone card and which AUX board has failed.
Diagnostics 14 - 3