Instruction manual

Features
Considerations and Constraints
The red LED next to the Alarm button goes on and/or the Maintenance Alert
sounds or flashes as soon as the system detects a problem.
All system operator consoles with an Alarm button receive the indication.
Telephone Differences
Direct-Line Consoles
Alarm buttons can be programmed only on system operator consoles; they
cannot be programmed on any other telephone.
An Alarm button is factory assigned as a fixed feature on an analog DLC, but
not on a digital DLC.
A digital DLC operator can use the Inspect feature to display the number of
alarms; an analog DLC operator cannot use Inspect.
Queued Call Consoles
Alarm buttons can be programmed only on system operator consoles; they
cannot be programmed on any other telephone.
An Alarm button is assigned as a fixed feature on a QCC.
A QCC operator can use the Inspect feature to display the number of alarms.
Feature Interactions
Automatic The red LED goes on next to the Alarm button on system
Maintenance Busy operator consoles, and the designated Maintenance Alert
device sounds or flashes when more than 50 percent of the
trunks in the trunk pool are in a maintenance-busy state.
Inspect Inspect can be used on a digital DLC or a QCC to display the
number of alarms. Inspect cannot be used on an analog DLC.
Personal Lines
A line or trunk jack used for a Maintenance Alarm cannot be
assigned as a Personal Line.
Pools
A trunk jack used for a Maintenance Alarm cannot be assigned
to a trunk pool (Hybrid/PBX only).
Alarm 21