DEFINITY Enterprise Communications Server Release 7
Maintenance for R7r
555-230-126
Issue 4
June 1999
Maintenance Object Repair Procedures
9-158ATM-BCH (ATM B-Channel Trunk)
9
ISDN Test Call Test (#258)
This non-destructive test performs a far-end looparound test over an ATM-BCH
trunk if
■ the trunk is IN-SERVICE, MAINTENANCE/NEAR-END, or
OUT-OF-SERVICE/NEAR-END
■ no calls are active on the trunk
■ the system uses country protocol 1 (including US) or the far-end has
looparound capability
The test sets up a call to a far-end switch over the ATM-BCH trunk. Then the
digital port on a TN711D Maintenance/Test circuit pack sends a bit pattern to the
far-end and back. If the received pattern matches that sent, the test passes. If
there are differences, it fails.
Synchronous Test Calls
You can initiate a synchronous outgoing test call (including a test call for
ISDN-PRI trunks) with these commands:
■ test trunk
grp#/mbr#
long [repeat
#
]
■ test board
UUCSS
long [repeat
#
]
■ test port
UUCSSpp
long [repeat
#
]
Table 9-68. TEST #258 ISDN Test Call
Error
Code
Tes t
Result Description/ Recommendation
4 ABORT Signaling channel problem
1. Look for errors or alarms against the ‘‘ATM-SGRP (ATM Signaling
Group)’’ and ‘‘ATM-DCH (ATM D-Channel Port)’’ maintenance objects.
8 ABORT TN230x circuit-pack problem
1. See the ‘‘ATM-INTF (TN2305/6)’’
maintenance object.
1004 ABORT B-channel in use.
1. See if a call is active. Run status trunk
grp#/mbr#
command.
2. If the service state is In-Service/Idle, retry the test.
1005 ABORT Bad configuration (for example, no Maintenance/Test circuit pack)
1. Make sure that the Maintenance/Test Circuit Pack is inserted.
2. Repeat the test.
1018 ABORT Test call disabled
1. Enable Maintenance on the Trunk Group form.
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