Instruction manual
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PEX4S232485
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Instruction Manual
4
Pinout
Pin 1
DCD
Pin 2
RXD
Pin 3
T
XD
Pin 4
DTR
Pin 5
GND
Pin 6
DSR
Pin 7
RTS
Pin 8
CTS
Pin 9
RI
422
485
1
TXD+
RXD+ (485)
2
TXD
-
RXD- (485)
3
RXD+
X
4
RXD-
X
5
GND
GND
RS232
RS422/485
1
...
...
5
6
7
8
9
...
...
15