User Manual

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CP-134U Series/CP-134U-I Series
RS-422 or RS-485 mode:
Use the jumper to cover the two
columns
on the left of the jumper
pins.
RS-232 mode: Use the jumper to
cover the two columns o
n the right
of the jumper pins.
CP-138U Series/CP-138U-I Series
Mode
S1
S2
RS-422
–
ON
4-Wire RS-485
ON
OFF
2-Wire RS-485
OFF
OFF
Pin Assignments
CP-102U Series
Male DB9 RS-232
Pin
Signal
1
DCD
2
RxD
3
TxD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS