Chapter 8 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 |
Pin No. | Signal | Function |
|
|
|
1 | CD | Carrier detection |
2 | RXD | Receive data |
3 | TXD | Transfer data |
4 | DTR | Data terminal ready |
5 | Ground | Ground |
6 | DSR | Data set ready |
7 | RTS | Request to send |
8 | CTS | Clear to send |
9 | (not used) |
|
|
|
|
