Avaya S8700 Maintenance Manual page 647

VAL-PT (Voice Announcements over LAN Packet/Port)
System Technician-Demanded Tests:
Descriptions and Error Codes
Investigate errors in the order they appear in the table below.
Table 8-556. System Technician-Demanded Tests: VAL-PT
Order of Investigation
TDM Loop-Around test (#1285)
SCOTCH Synchronous Loop-Around test (#1275)
1. D = Destructive, ND = Non-destructive
TDM 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.
If the received tones:
Match the tones sent
Do not match the tones sent
Test failure indicates failure of one or more of the following components:
VAL (TN2501) circuit pack
TDM bus
Tone generator / tone receiver circuit pack
555-233-142
Short Test
Sequence
Then:
The test passes.
The test fails.
Issue 1 May 2002
Long Test
1
Sequence D/ND
X D
X D
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