YOKOGAWA WT3000 User Manual page 18

2.3 Connection via the RS-232 Interface
RS-232 Standard Signals and Their JIS and CCITT Abbreviations
Signal Wiring 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 are for the 9-pin connector.
In general, use a cross cable.
• OFF-OFF / XON-XON
PC WT3000
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 Signal ground
Transmitted data
103 SD
104 Received data
RD
Request to send
105
RS
Clear to send
106
CS
• XON-RTS(XON-RS)
PC WT3000
SD 3 3
RD 2 2 RD
RS
7 7
8 8
CS
SG 5 5
Description
• CTS-RTS(CS-RS)
PC
SD SD 3
RD 2
RS RS
7
8
CS CS
SG SG 5
WT3000
3 SD
2 RD
RS
7
8
CS
5 SG
IM 760301-17E