Nortel DMS-100 Series Reference Manual page 56

5-8 Low Power Alarm system
Figure 5-3xxx
NT0X63MA exit alarms and audible cutoff panel
1
Y Y
2
Y Y
3
Y Y
4
Y Y
5
Y Y
Legend: Lamp R = red
Lamp Y = yellow
Figure 5-4xxx
NT0X63MB audible cutoff panel
Y
1
Legend: Lamp Y = yellow
For a detailed description of the NT0X63MA and NT0X63MB panels, see
Hardware Description Manual.
Audible alarms panel The NT0X66CA audible alarms panel replaces
seven units in earlier alarm system versions. Table 5-1 identifies the units
replaced. The LPA system audible alarms panel contains the following:
297–1001–122 Standard 06.01 August 1999
6 11
Y
7 12
Y
8 13
Y
9 14
Y
10 15
Y
Alarm Cut-Off Circuit
Y
2
mid-range 8-ohm speaker
Night
Y Alarm
Transfer
Alarm
Y
Grouping
Test
Y R
Trunk
Center
Power
Y
Plant
CAD Panel
NT0X63MA Rel
Y
3
AC Panel
NT0X63MB Rel
FW-31761
Audible
Alarm
Disable
Alarm
Release
FW-31763