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Appendix
Port Specification
LAN port specification
8-pin modular connector (RJ-45)
1 2 3 4 5 6 7 8
pin No.
1
2
3
4
5
6
7
8
Serial port specification
D sub 9-pin connector (RS-232C)
Pin No.
Socket
1
2
3
4
5
6
7
8
9
82
Signal
(not used)
(not used)
(not used)
(not used)
5
4
3
2
1
9
8
7
6
Signal Name
Side A
CD
RXD
TXD
DTR
Ground
DSR
RTS
CTS
-
TX+
TX-
RD+
RD-
* It is possible to switch the polarity of the serial port
as shown in table below by switching the socket on
the network board. For further information, please
see on page 65. At the factory shipped setting, the
socket is set to side A.
Side B
-
TXD
RXD
-
Ground
-
-
-
-
Function
Transfer data (+)
Transfer data (-)
Receive data (+)
Receive data (-)
- Explanation of signal names
Function
CD
Carrier detection
RXD
Receive data
TXD
Transfer data
DTR
Data terminal ready
DSR
Data set ready
RTS
Request to send
CTS
Clear to send
-
Not used
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