Smoke Alarm User Manual
Installation, Operation and Maintenance Manual
Issue 1 Page 4-5
February 2001
4.4 Termination Board Field Wiring
The following illustration shows the external connections for the termination board. Cable entries are
from the top, bottom or rear via the conduit knock-outs on the Detector.
RS485
NETWORK
+
-
--
++
24v
0v
REMOTE
DISPLAY
28V
FAULT
POWER
EXTERNAL WIRING
TEMPORARY CONNECTIONS FOR
SITE PROGRAMMING LEAD
3. MAXIMUM CABLE SIZE OF TERMINALS 14 AWG
BATTERY/MEMORY LINK
NETWORK ADDRESS
RS485
FUSE 1A
24v DC / 2A
SPARE 24v
RS485
SPARE RS485
2. ALL LINKS SHOWN IN NORMAL OPERATING POSITION
VIA SERVICE PORT LOCATED
ON LHS OF UNIT
NORMAL OPERATING
2
LK1, LK2 & LK4
13
21
LK3
21
BATTERY CONNECTED
BATTERY DIS-CONNECTED
BACK-UP
BACK-UP
44782-K155
P2
MODULE
0V
1
2
3
4
5
6
7
ON
ADRESS 1
3
7
5
6
4
ADRESS 20
ON
2
1
3
7
5
6
4
ADRESS 32
ON
2
1
NETWORK ADDRESS EXAMPLES
(SEE DETAIL 1)
(SEE DETAIL 3)
DETAIL 1
SEE NOTE 1&2
DETAIL 3
+
-
DC / 0.5A
1. DO NOT MOVE LK1, LK2 & LK4
NOTES:
SUPPLY UNIT
4. NETWORK NORMAL OPERATING POSITION.
POSITION IF TERMINATION BOARD AT END OF LASERNET NETWORK
DO NOT REMOVE
(SEE NOTE 4)
LINE SELECT
NETWORK END OF
1A
1B
1C
1D
1A
1B
2D
2C
2B
2A
2A
2B
2C
2D
4A
4B
4A
4B
3A
3A
CM
NO
NO
CM
NO
CM
NO
CM
NC
NO
CM
NO
NC
CM
RATED AT 2 AMP 30V DC
PRE-ALARM VFCO CONTACTS
RATED AT 2 AMP 30V DC
FAULT VFCO CONTACTS
NORMALLY ENERGISED ON POWER UP
RATED AT 2 AMP 30V DC
ISOLATE VFCO CONTACTS
ALARM VFCO CONTACTS
RATED AT 2 AMP 30V DC
10B
10C
10A
9C
9B
9A
7B
8B
8A
7A
6B
6A
5B
5A
11A
11A
1D
1C
PC
10B
7A
7B
6B
6A
5B
5A
8A
8B
9A
9B
9C
10A
10C
REG1
TB2
F1
SW1
LK4
IC4
F2
IC5
IC7
LK1
P1
P2
P3
P5
P6
P7
RL1
RL2 RL3
RL4
RL5
RL6
BAT1
LK3
P9
TB1
P4
IC9
LK2
STATUS POWER OUT
0V
POWER IN
PRE 2PRE ALARM 2ALARM1ALARM
CM
FAN
1
HSSD
CARD
TERMINATION
M/TERM
1
DET. HEAD RESET
INTERNAL DISPLAY
INTERFACE
PROGRAM
POWER ON
RELAY EXP/LOCALASER
STATUS LED
FAN AD J
MAIN LOOP ADDRESS
NO CM NO
ALARM 1
CM NO CM NO
TROUBLE
CM NC NO
ISOLATE
CM NC NO
MAIN LOOP
-
++
-
EXTERNAL DISPLAY
+24V
-
+
-
++
+
+
---
PSU
+
1
1
LED
ISOLATEALARM 1
CM
PRE
1
CM
PRE
NO
ALARM1
NO
ALARM2
CM NO
TROUBLE
NO
ALARM 2
CM CM
NONC CM NC NO
TB2
POWER OUT
+24V
MAIN LOOP
-
+
-
+
0V
EXTERNAL DISPLAY
-
+
-
PSU
-
+
STATUS
+
POWER IN
-+-
1
+
TB1
Figure 4.2 Termination board External Wiring Diagram