Conclusion Of Hardware Maintenance - Lucent Technologies MERLIN LEGEND Release 6.0 Maintenance And Troubleshooting Manual

MERLIN LEGEND Communications System Release 6.0
Maintenance and Troubleshooting 555-660-140
Central Office and Network Problems

Conclusion of Hardware Maintenance

routed over network trunks. To log network calls, SMDR should be programmed
to report both incoming and outgoing calls.
System A
PSTN
IN OUT
555-1234 555-1234
The diagram above shows how a single call, routed across a network, is both an
incoming and an outgoing call in the same system. For network calls, outgoing
call records report the incoming tandem trunk number in the STN. field (see
System B above). Dialed digits shown on the report do not reflect any digit
manipulation (addition or absorption) performed by the local system.
Calls across the network are not recorded, even at a tandem switch, if the call is
not answered unless the outgoing facility is a loop-start or ground-start trunk.
Then calls are logged, even unanswered calls.
If the system date and time are not synchronized across the network, it may be
hard to recognize the records for a single call, even when the systems are in the
same time zone. When they are not, time zone differences must also be
considered.
Conclusion of Hardware
Maintenance
Installing the Control Unit Housing (Release
2.1 or Later)
After you have completed maintenance and troubleshooting on Release 2.1 or
later, follow the steps below to reinstall the control unit housing.
Installing the Top Cover
To install the top cover, see Figure 5–1 and follow these steps.
System B
IN OUT
1234 4+1234
February 1998
System C
Ext. 41234
IN
41234
Issue 1
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