AT&T MERLIN LEGEND Release 4.0 Feature Reference page 29

Feature Reference
Administration
See "Integrated Administration" and "Programming."
Alarm
At a Glance
Users Affected
Reports Affected
Mode
Telephones
Programming Code
MLX Display Label
System Programming
Hardware
Description
Alarms provide either a visible or audible indication when the system detects a
problem that needs immediate attention.
Alarm Button. A programmed button on Direct-Line Consoles (DLCs)
and a factory-set button on Queued Call Consoles (QCCs). It alerts the
operator to problems detected by the system software. The red LED next
to the Alarm button on the operator console turns on when the system
detects a problem (such as a problem with one of the trunks or some
other system error) that requires immediate attention. It remains on until
the problem is corrected.
Maintenance Alert. An alert device such as a bell or strobe light
connected to the line or trunk designated as a maintenance alarm jack.
The device rings or lights when the system detects a problem that
requires immediate attention.
The red LED on the processor module turns on when the system detects
a problem that requires immediate attention. It remains lit until the
problem is corrected.
The red LED on certain modules turns on when the system detects a
module-related problem, for example, a loss-of-service alarm on the
100D module.
Operators
Extension Information
All
System operator consoles only (QCC or DLC)
[ ]
Alert device (bell or strobe) for Maintenance Alert
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Administration