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12
Universal DC Low Intensity Obstruction Light
Single Light Fixture
1 2
4 5 6
RS422
RS232
POWER/ALARM
NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
CONNECTOR
POWER
POWER
POWER
ALARM
ALARM
ALARM
RS232
RS232
RS232
RS422
RS422
RS422
RS422
RS422
SIGNAL
+VDC
0V
GND
COMM
NO
NC
GND
RxD
TxD
GND
-VE (Rx)
+VE (Rx)
-VE (Tx)
+VE (Tx)
7
8 9
3
10 11 12 13 14
J1
J3
J2
Figure 2. Light wiring diagram and pinning
Figure 3. DC Obstruction Light PCB with terminals and DIP switches
Relay
+VDC
0V
GN
D
COMM
N
O
N
C
POWER
ALARM
TxD
RxD
GND
RS
-232
+VE
-VE
+VE
-VE
GN
D
Tx
Rx
RS-422
INTENSITY
TERMINATE
FULL HALF
DUPLEX
SW2
ON
1 2
ON
1 2
ON
1 2
