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2.3 Connecting the Serial Interface Cable
Table of Serial Standard Signals and their
Signal line connection example
2-4
Pin No.
Serial (RS-232)
(9-pin connector)
5
AB (GND)
3
BA (TXD)
2
BB (RXD)
7
CA (RTS)
8
CB (CTS)
The pin numbers shown are that of 9-pin connectors.
In general, use a cross cable.
• OFF-OFF / XON-XON
PC
WT1600FC
SD
3
3
SD
RD
2
2
RD
RS
7
7
RS
8
8
CS
CS
SG
5
5
SG
Abbreviation
JIS
CCITT
102
SG
SD
103
104
RD
105
RS
106
CS
• XON-RTS(XON-RS)
PC
WT1600FC
SD
3
3
SD
RD
2
2
RD
RS
RS
7
7
8
8
CS
CS
SG
5
5
SG
Description
Signal ground
Transmitted data
Received data
Request to send
Clear to send
• CTS-RTS(CS-RS)
PC
SD
3
RD
2
RS
7
8
CS
SG
5
WT1600FC
3
SD
2
RD
RS
7
8
CS
5
SG
IM 760151-17E
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