Signaling Link State Check Test (#255)
As noted in the general description for a DS1 ISDN Trunk, it depends on the
health of the DS1/UDS1 interface circuit pack and the ISDN-PRI D-channel
(ISDN-LNK/ISDN-PLK) trunk for proper operation. This test checks the status of
those critical elements.
Table 321. TEST #255 Signaling Link State Check Test
Error
Test
Code
Result
ABORT
1018
ABORT
1114
ABORT
4
FAIL
8
FAIL
PASS
1320
Issue 5 October 2002
Description/ Recommendation
Internal system error
Maintenance is disable on this trunk.
1. Enable maintenance by entering y in the
field on page 2 of the change trunk-group form.
The signaling link is in a transitional state.
1. Retry the command at 1-minute intervals a maximum of 5 times.
There is a problem with the Signaling Channel.
1. If the Packet Control circuit pack is used consult the procedures for the
ISDN-PRI Signaling Group (ISDN-SGR). Further information may also
be obtained by consulting the procedures for the ISDN-PRI Signaling
Channel (ISDN-PLK).
2. If the Packet Interface is used, consult the procedures for PKT-INT.
There is a problem with the DS1 interface circuit pack.
1. Consult the procedures for DS1 interface circuit pack
(DS1-BD/UDS1-BD).
The signaling link hardware is OK.
Maintenance Tests?
Continued on next page
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