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5.2.4
DIO
Pin
1
2
3
4
5
5.2.5
COM
Pin
1
2
3
4
5
6
7
8
9
ARK-2250R User Manual
Signal Name
GPIO_Z_0
GPIO_Z_1
GPIO_Z_2
GPIO_Z_3
GPIO_Z_4
RS-232
Signal Name
DCD
RxD
TxD
DTR
GND
DSR
RTS
CTS
RI
58
Pin
Signal Name
6
GPIO_Z_5
7
GPIO_Z_6
8
GPIO_Z_7
9
GND
RS-422
RS-485
Signal Name
Signal Name
Tx-
DATA-
Tx+
DATA+
Rx+
NC
Rx-
NC
GND
GND
NC
NC
NC
NC
NC
NC
NC
NC
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