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BRI-PORT (ISDN-BRI Port)
Issue 1 June 2005 695
BRI Port Local TDM Loop Around Test (#619)
This test is destructive.
This test verifies the connectivity of a BRI port across the TDM Bus. It aborts if calls associated
with the port are in progress. Failure of this test indicates an on-board fault associated with the
port hardware on the circuit pack.
This Loop Around test runs a series of individual tests on the two B channels (B1 and B2)
associated with the port. It is a collection of the following:
● Loop Around test across the TDM Bus for B1.
● Conference Circuit test for B1.
● Loop Around test across the TDM Bus for B2.
● Conference Circuit test for B2.
The tests are run in the above order. If one fails, the remaining tests in the sequence are not
executed. An error code is returned at that point.
This test is not executed for ABRI-PORT/ATT-PORT/LGATE-PT/ATTE-PT because the B
channels associated with the port are not used by ASAI or Avaya adjuncts.
2012 ABRT Internal system error.
2100 ABRT Could not allocate the necessary system resources to run this test.
1. Retry the command at 1-minute intervals up to 5 times.
2. If the test continues to abort, escalate the problem.
FAIL The Loop Around test has failed.
1. If the test fails repeatedly, attempt to reset the circuit pack if the other
ports on the board are idle. Reset the circuit pack by issuing the
busyout board location and reset board location.
2. If the test fails again, execute test port-network pn#. If this fails,
follow failure procedures in PKT-BUS (Packet Bus)
on page 1790.
3. If tests executed in step 2 pass, the problem is local to the BRI board.
Replace the circuit pack.
PASS The BRI Port Local LAN Loop Around test has passed.
Table 232: Test #618 BRI Port Local LAN Loop Around (continued)
Error
Code
Test
Result
Description / Recommendation
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