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TBRI-PT (TN2185 ISDN Trunk-Side BRI Port)
Issue 5 October 2002
1627
555-233-119
Notes:
a. Loss of continuity of Layer 1 to the far-end. It is assumed that Layer 1
remains active, even when both B-Channels are idle.
This test determines whether Layer 1 is active or not. If Layer 1 is not
active, the test attempts to activate it. If Layer 1 cannot be activated, the
port is taken out of service, and the test fails.
b. The D-Channel failed at Layer 2. Expiration of this timer indicates that
attempts to bring the failed link back into service have not succeeded and
some recovery actions should be taken on the associated B-Channels.
Upon expiration, associated in-service B-channels are put in the
out-of-service/far end state.
1793 (j) BRI Port Local
TDM Looparound
Test (#619) MINOR ON
2049 (k) MINOR OFF
2305 (l) Layer 3 Query
(#1243) MINOR OFF
3073 (m) Slip Query Test
(#1244) MINOR OFF
3585 (n) Receive FIFO
Overflow (TDM
D-Channel) Log Only ON
3586 (o)
3587 (p)
3588 (q) 46223
3589 (r)
3590 (s) 46211
3591 (t)
3592 (u)
3841 to
3942 (v)
1. Run the Short Test Sequence first. If all tests pass, run the Long Test Sequence. Refer to the
appropriate test description and follow the recommended procedures.
2. The far-end switch changed the ISDN service state. This may be a temporary condition.
Table 470. TBRI-PT Error Log Entries — Continued
Error
Type
Aux
Data Associated Test
Alarm
Level
On/Off
Board Test to Clear Value
Continued on next page