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5.2 Connecting to the RS-232
Use the RS-232 cable when connecting to the RS-232 interface.
(1) RS-232 connector specifications
1
6
2
7
3
8
4
9
5
(2) RS-232 interface connector
The Web server module uses the following RS-232 interface connector.
9 pin D-sub (Female) fixing type
Use either of the following products as a connector shell for the connection
cable on the Web server module side.
3M
Plug type: 8209-6009
Shell type: 3702-2209 M2.6
Tyco Electronics AMP K.K.
Plug type: 747904-2
Shell type: 747515 or 174469-2
Connector fitting screw (M2.6)
(3) RS-232 cable
Use the RS-232-compliant cable of up to 15m.
[Recommended cable]
7/0. 127
P HRV-SV... Specify the number of pairs in
(for 13 pairs, specify 7/0. 127 13P HRV-SV.)
(Oki Electric Cable Company, Limited)
Pin
Signal
No.
abbreviation
1
CD(DCD)
2
RD(RXD)
3
SD(TXD)
4
ER(DTR)
5
SG(GND)
6
DR(DSR)
7
RS(RTS)
8
CS(CTS)
9
CI(RI)
Signal name
Data Carrier Detect
Received Data
Transmitted Data
Data Terminal Ready
Signal Ground
Data Set Ready
Request To Send
Clear To Send
Ring Indicator
7
Signal direction
Web module
Modem
.
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