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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.
DDK Ltd.
9 pin D-sub (Female) screw type
17L-10090-27 (D9AC) (-FA)
Use the following model as a connector shell of the Web server module side
connection cable.
DDK Ltd.
Plug, shell: 17JE-23090-02 (D8A) (-CG)
Connector fitting screw (M2.6)
(3) RS-232 cable
Use the RS-232-compliant cable of up to 15m.
[Recommended cable]
Oki Electric Cable Co., Ltd.
7/0.127
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)
P HRV-SV ...
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
: Specify the number of pairs. (For 13 pairs,
specify 7/0.127 13P HRV-SV.)
7
Signal direction
Web server module
Modem
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