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