Sanyo Network Board MD13NET, Руководство пользователя

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82
Appendix
LAN port specification
Port Specification
Serial port specification
pin No. Signal Function
1 TX+ Transfer data (+)
2 TX- Transfer data (-)
3 RD+ Receive data (+)
4 (not used)
5 (not used)
6 RD- Receive data (-)
7 (not used)
8 (not used)
1 2 3 4 5 6 7 8
8-pin modular connector (RJ-45)
Pin No. Signal Name
Socket Side A Side B
1 CD -
2 RXD TXD
3 TXD RXD
4 DTR -
5 Ground Ground
6 DSR -
7 RTS -
8 CTS -
9 - -
1 2 3 4
9 8 7 6
5
D sub 9-pin connector (RS-232C)
* 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.
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