VAL-PT (Voice Announcements over LAN Packet/Port)
Issue 5 October 2002
1881
555-233-119
System Technician-Demanded Tests:
Descriptions and Error Codes
Investigate errors in the order they appear in the table below.
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.
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 561.
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 Looparound Test (#1285)
X
D
SCOTCH Synchronous Looparound 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.