7-4
Chapter
7
RS-232C INTERF
ACE
3. Connection cable examples
a. Cable capable of hardware busy control
NC
RXD
TXD
NC
GND
NC
RTS
CTS
NC
1
2
3
4
5
6
7
8
9
Controller
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
External device
b. Cable not using control wire
NC
RXD
TXD
NC
GND
NC
RTS
CTS
NC
1
2
3
4
5
6
7
8
9
Controller
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
External device
* For signal wire layout on the external device, refer to the instruction manual for
that device.
3. Communication specifications
Summary of Contents for CEmarking RCX221
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