Central Office And Private Network Problems; Trunk Errors - Lucent Technologies MERLIN LEGEND Release 6.1 Maintenance And Troubleshooting Manual

MERLIN LEGEND Communications System Release 6.1 MERLIN LEGEND Communications System Release 6.1
Maintenance and Troubleshooting 555-661-140
Maintenance and Troubleshooting

Trunk Errors

Central Office and Private Network
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Problems
If you have tested the telephones and the modules in the control unit, you have
isolated the trouble to the trunks or the CO. To isolate the trouble further, follow
the instructions in this chapter to troubleshoot the trunks. If the trouble persists
after following these instructions, the customer should contact the CO and ask a
representative to troubleshoot from that end.
Trunk Errors
The system records errors not only for trunks, but for T1 ports on the module as
well. In some cases, errors occur not because a single port fails, but because
the entire T1 link fails. When this happens, 100D automatic testing activates an
alarm.
Troubleshooting Trunk Problems
Table 5–1 provides a quick guide to troubleshooting trunks.
NOTE:
If the customer reports echoes during conversations on T1 trunks with GS
emulation to a toll office, check the system programming for T1 trunks.
The system is not intended to work with GS emulation to a toll office. Tie
trunk emulation must be programmed. Program the module to emulate tie
trunks to the central office.
Issue 1 Issue 1
August 1998 August 1998
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