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2
Relay 1 output port
L1
3
Relay 2 output port
R2
4
Relay 2 output port
L2
5
Optocoupler 1 external signal input
anode
IN1
6
Optocoupler 2 external signal
input anode
IN2
7
Optocoupler external signal input
cathode
IGND
8
Wiegand output 0
WG0
9
Wiegand output 1
WG1
10
GND
AGND
11
GND
AGND
12
RS485 signal
485+
13
RS485 signal
485-
14
地
AGND
2.3.3 LED panel description