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PPP-PT (Control LAN Packet/Port)
Issue 1 June 2005 1897
TDM Loop-Around Test (#1285)
This test is destructive.
This test verifies whether the C-LAN PPP 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 ppp port.
Test failure indicates failure of the
● C-LAN (TN799DP) circuit pack
● TDM bus
● Tone generator / tone receiver circuit pack
If the received tones: Then:
Match the tones sent The test passes
Do not match the tones
sent
The test fails
Table 692: Test #1285 TDM Loop-Around Test
Error
Code
Test
Result
Description / Recommendation
1000 ABRT The port is in use.
1. Determine port status (status clan-port location).
2. Retry the command when the port is idle. The port may be forced to
the idle state by executing a busyout port location command.
The busyout port command is destructive, causing every call and link
associated with the port to be torn down.
1002 ABRT No TDM bus timeslots available for the test.
1. Retry the command at 1-minute intervals up to 5 times.
1003 ABRT No more tone receivers idle for use in this test.
1. Retry the command at 1-minute intervals up to 5 times.
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