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Chapter 7 Appendix

LAN port specification

Port Specification

Serial port specification

pin No. Signal Function
1TX+ Transfer data (+)
2TX- Transfer data (-)
3RD+ Receive data (+)
4(not used)
5(not used)
6RD- Receive data (-)
7(not used)
8(not used)
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8-pin modular connector (RJ-45)

D sub 9-pin connector (RS-232C)

Pin No. Signal Name
Socket Side A Side B
1CD -
2RXD TXD
3TXD RXD
4DTR -
5Ground Ground
6DSR -
7RTS -
8CTS -
9- -
* 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, see
item "Serial Port Switching" (p.65). At the factory
shipped setting, the socket is set to side A.
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
- Explanation of signal names
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