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DEFINITY Enterprise Communications Server Release 6
Maintenance for R6vs/si
555-230-127
Issue 1
August 1997
Maintenance Object Repair Procedures
Page 10-1305TBRI-TRK (TN2185 ISDN Trunk-Side BRI)
10
The test fails if the board is not inserted, if there is an internal system error, or if a
reply was not received within the prescribed time.
The test aborts if the signaling link is disconnected, the request is already active,
or if the B-Channel is in an Out-Of-Service state.
ISDN Test Call Test (#258)
This test performs a far-end loop around to a far-end switch over an ISDN trunk.
The trunk’s service state must be in-service, maint-NE, or out-of-service/NE, and
no call can be active on the trunk.
A test call connection is established to a far-end switch over the ISDN trunk to be
tested. The digital port on a TN711D Maintenance/Test circuit pack generates a
test-pattern bit stream that is sent to the far-end switch and echoed back. The
received pattern is then compared to the sent pattern and checked for errors that
indicate a loss of integrity on the communications path.
Table 10-452. TEST #257 Call State Audit Test
Error
Code
Test
Result Description/ Recommendation
1018 ABORT The test is disabled.
1. Enable the test by entering y in the
Maintenance Tests? field on
page 2 of the change trunk-group form.
1019 ABORT An audit is already in progress.
1. Wait two minutes and try again.
1113 ABORT The signaling link has failed, so the system cannot send any messages on
behalf of this trunk.
1. Check the results of Test #1251 (Signaling Link State Check).
1114 ABORT The signaling link is in a transitional state.
1. Retry the command at 1-minute intervals a maximum of 5 times.
1116 ABORT The trunk is in an out-of-service ISDN service state.
1. A call cannot be present if the trunk is in an ISDN out-of-service state,
so a call state audit would be inappropriate. No action necessary.
(Use the status trunk command.)
2100 ABORT Could not allocate the necessary system resources to run this test.
1. Retry the command at 1-minute intervals a maximum of 5 times.
FAIL Internal system error
1. Retry the command at 1-minute intervals a maximum of 5 times.
PASS The audit passed successfully.
Continued on next page