
2 Monitor ISM/xL™ Hardware Guide
22-0375 rev1.1
Main Control Board
1432
5
1432
1432
56
1432
12
BATTERY
PLUG
(+)12V
(-)0V
Data B
Data A
b
l
a
c
k
r
e
d
3
1432 1432 1432 1432
31 3 11312 2 2 2
312
Battery
F2
1 AMP
AUX POWER
F3
1.5 AMP
TELEPHONE
1 AMP
MODULE BUS
F5
(+)
(-)
TAMPER
SPRING
36 pin battery backed
expansion RAM
32 pin
E-prom
socket
COM
I/P3
I/P4
I/P1
I/P2
I/P5
I/P6
I/P8
I/P7
COM
COM
COM
MODBUS 1
y
e
l
l
o
w
g
r
e
e
n
AC Input
16.5V, 40VA
(P/N 859-2246)
Aux 12VDC
(+)
(+)
(-)
(-)
O/P2
O/P3 Siren
O/P1
O/P4
(+)12V
(-)0V
PHONE LINE
EARTH
GROUND
Seized Tip
Seized Ring
Ring
Tip
P/N 342-3350
P/N 342-3821
0V
B485
A485
GND/GND
CTS/RTS
RTS/CTS
DSR/DTR
DTR/DSR
TX/TX
RI/RI
CD/CD
RX/RX
PC/Modem connection
Short the upper left and
lower right silver pads.
R
A
M
Host RS485
Do not connect modules to this Module Bus connector
Reserved for Service use with LCD Keypad.
O/P Current Ratings
O/P1&4 = 10mA
O/P2 = 750mA
O/P3 = 1.8AMP
If using Station "Z" Quad cable for ground,
use all 4 conductors. Two wires can be
connected to terminal 1 and two to terminal 2.
(-)
(+)
KNOCK OUTS
CABLE
INLET
Use plastic 3/4 in. bushings
P/N 364-5100 to insert in knockouts
before bringing in cables.
Metal Enclosure
Main Control Board
TB1
TB4
TB2
TB3
TB6
1432
12
TB9TB8TB7
TB10
TB16
TB13TB12
TB11
TB14
TB15
To Clear Memory
with no power to panel
J5
IN (default) for Non
Res. UL Fire
OUT for Res. UL Fire
TB5
Telco Off Hook
LED
Watchdog LED
Installation Notes for Further Reduction of RF Emissions
1. Terminating cables inside metal enclosure must never cross over the motherboard, behind
it or on top of it. Cables must run along the sides of the board.
2. Cables being brought into the box should come in through the "knock out" nearest the
terminal block it is being terminated at. E.g. A/C transformer cable should be brought in
through the knock out nearest the A/C termianl block. Avoid leaving long cable lengths around
the board or inside box.
micro-
processor
Fire
18V, 40VA
(P/N 859-0052)
HOST PORTS
18 AWG CONNECTION
CABLE REQUIRED
Siren & Battery
are fused
by a 1.8AMP
resetable fuse.
Resetable Fuse Notes
Will disconnect power if DC current
draw exceeds 1.8AMP.
WARNING: Very hot when
triggered: 120°C.
Disconnect battery for 1 min. to reset or,
silence siren. Hydro can stay connected.
See note
below.
P/N 936-6800
(750mA max.)
SIREN
MODBUS 2 MODBUS 2
MODBUS 1
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