VAL-PT (Voice Announcements over LAN Packet/Port)
Issue 1 May 2002
8-1841
555-233-143
System Technician-Demanded Tests:
Descriptions and Error Codes
Investigate errors in the order they appear in the table below.
TDM Loop-Around Test (#1285)
This test is destructive.
This test verifies whether the VAL port can send and receive data on the TDM
bus. This test has a tone generator send tones on a timeslot, and it has a tone
receiver receive tones on another timeslot. The tones are looped through the
record/playback port.
Test failure indicates failure of one or more of the following components:
■
VAL (TN2501) circuit pack
■
TDM bus
■
Tone generator / tone receiver circuit pack
Table 8-703.
System Technician-Demanded Tests: VAL-PT
Order of Investigation
Short Test
Sequence
Long Test
Sequence
D/ND
1
1.
D = Destructive, ND = Non-destructive
TDM Loop-Around test (#1285)
X
D
SCOTCH Synchronous Loop-Around test (#1275)
X
D
If the received tones:
Then:
Match the tones sent
The test passes.
Do not match the tones sent
The test fails.
Summary of Contents for S8700 Series
Page 50: ...Maintenance Architecture 555 233 143 1 26 Issue 1 May 2002 ...
Page 74: ...Initialization and Recovery 555 233 143 3 12 Issue 1 May 2002 ...
Page 186: ...Alarms Errors and Troubleshooting 555 233 143 4 112 Issue 1 May 2002 ...
Page 232: ...Additional Maintenance Procedures 555 233 143 5 46 Issue 1 May 2002 ...
Page 635: ...status psa Issue 1 May 2002 7 379 555 233 143 status psa See status tti on page 7 406 ...
Page 722: ...Maintenance Commands 555 233 143 7 466 Issue 1 May 2002 ...