Instruction manual
3-13
+
-
+
-
+
-
RS
232
ALARM
STATUS
TROUBLE
STATUS
REMOTE
TRB AUD
REMOTE
MICROPHONE
SPL
ALL CALL
PWR
AUDIO
TXD
RXD
TRB AUD
GND
COM
TRBL
NORM
COM
ALARM
NORM
COM
TD
RD
NC
P83459 REV.
DCSP MOTHER BOARD
Status and Trouble
Signals to FACP
Figure 3-12
Alarm and Trouble Status Output Connections
NORM
ALARM
COM
1
2
3
TB8
Figure 3-13
Alarm Relay Contacts
System Trouble Status Output Contact Wiring
The location of the Trouble Status output connections are shown in Figure 3-10 Section C. A
magnified view of this area on the Mother Board is shown in Figure 3-12.
• Wire gauge selection of the system Trouble Status output contact wiring should
involve consideration of all factors including, wire length, maximum current
capacity, and maximum voltage drop allowable.
• The system Trouble Status output contact is Form C, rated for 0.5 amps at 24
VDC, resistive load.
• For a detail of the system Trouble Status output contact Terminal connections
(shown in the trouble position), see Figure 3-14 on Page 3-14.