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DEFINITY ECS Release 8.2 Maintenance for R8.2csi
555-233-119 Issue 1
April 2000
Maintenance Objects
3-814MET-LINE (MET Line)
3
The Recall button is used in this system as a self-test button, and, when pressed,
lights all of the lamps on the MET set and runs the ringer update.
This section refers only to the MET-LINE maintenance that is performed. Note that
MET-LINE maintenance is closely related to, and interacts with, the MET-BD (MET
line circuit pack) maintenance in some instances. Some of the results of
maintenance testing of the MET line may be affected by the health of the MET
Line circuit pack. This interaction should be kept in mind when investigating the
cause of reports of MET line problems.
There are instances in this section where service states of a station are
mentioned. An explanation of these service states follows:
■ Out-of-Service—The port (and station) have been removed from service.
A busyout of a port causes it to be out-of-service.
■ Ready-for-Service—Once a port on the circuit pack has been put into
service, the voice terminal must communicate that it is present. The time
between these two events is the time when the terminal is in the
ready-for-service state.
■ In Service—Once the system receives a message from the voice terminal
communicating that it is present, the station is put into the in-service state.
The terminal can also be forced into the in-service state if it goes off-hook
while it is in the ready-for-service state.
After running the
status station
command, the status is reported as either
out-of-service, in-service (as stated in the preceding list), or disconnect (the
station is in the ready-for-service state).