AL-238
PPROGRAMMING GUIDE
5
2.System wiring instructions
2.1.System wiring diagram
2.2.AL-238P connection to the power supply
AL-238P adopts wide voltage design, can withstand DC12-24V power supply (factory standard DC13.8V 3A power supply); it will
prompt the system under voltage
，
when the power supply voltage is lower than 10V;
2.3.AL-238P and the keypad connection
The VCC, A, B, and GND of the keypad correspond to the red, green, yellow, and black
terminals of the master keypad, and up to 8 keypads are connected.
Alarm Control Panel System Wiring Diagram
S
ire
n
in
te
rfa
ce
A
u
xil
ia
ry
o
u
tp
ut
P
ow
e
r in
p
ut
P
G
M
1
C
O
M
Z
O
N
E
1
Siren interface
active output:
Siren interface
passive output:
plug-in AB and CD of JP2
plug-in BC of JP2
Battery
12V 7AH
RS232 port
Record button
MC1 microphone
Program upgrade
jumper
Password restore
jumper
4G module
Network module
43
3 w
ire
les
s
IP network
Battery
P
G
M
2
C
O
M
Z
O
N
E
2
C
O
M
Z
O
N
E
3
C
O
M
Z
O
N
E
4
C
O
M
Z
O
N
E
5
C
O
M
Z
O
N
E
6
C
O
M
Z
O
N
E
7
C
O
M
Z
O
N
E
8
K
e
y
p
a
d
in
te
rfa
ce
power
+
-
power
DC power supply-1
Warning sign
Siren
Z
o
n
e 1
Z
o
n
e 2
NO PIR detector
NC PIR detector
power
+
-
power
DC power supply-2
Red
Grn
Yel
Blk
Master keypad
Red GrnYel Blk
Central software
Note: Please use wires to plug-in the zone
terminals that do not need to be
connected to the detector.
LoRa module
