Chapter 7 Appendix
Port Specification
LAN port specification
8-pin modular connector (RJ-45)
1 2 3 4 5 6 7 8
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) |
|
|
|
|
Serial port specification
D sub 9-pin connector (RS-232C)
5 4 3 2 1
9 8 7 6
*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.
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 | - |
| - |
|
|
|
|
- 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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