Nortel DMS-100 Series Reference Manual page 32

3-4 Office Alarm System Version 2
and class of alarms that the alarm system detects. Switches provide manual
control of alarm system facilities. Table 3-1 contains descriptions of the
functions of the lamps and switches on the ACD.
Figure 3-1
Alarm control and display panel
Power
Critical
Dist
R
System
Center
ABS
Major
A Office
System
Alarm
Unit
Minor
Critical
W
System
Power
Plant
Major
Major
Other
Y
Power
System
Plant
Minor
Minor
G
Other
Power
System
Plant
Legend: Lamp A = amber
Lamp G = green
Lamp R = red
Lamp W = white
Lamp Y = yellow
Table 3-1
Alarm control and display functions
Designation
Critical System
Major System
Minor System
Major other System
Minor other system
Power Dist Center ABS
297–1001–122 Standard 06.01 August 1999
R
Power
Dist
A
Center
A
R
Audible Lamp
A Alarm Test
Reset
W
Device
Lamp (red)
Lamp (amber)
Lamp (white)
Lamp (yellow)
Lamp (green)
Lamp (red)
—continued—
Night Alarm Alarm
Transfer Grouping
W W
IOC A+B
Open
MDF Open
A
Data Loop
Function
Signals a critical system failure
Signals a major system failure
Signals a minor system failure
Signals a critical or major alarm in another
system
Signals a minor alarm in another system
Signals an alarm battery supply failure at a PDC
Alarm
Transfer
W
IOC
Office
Open
Alarm
MDF
System
B