CABLES
Console Port to 9-Pin COM Port on PC
Switch’s |
| CCITT Signal |
| PC’s | |
| Serial Port |
|
|
| COM Port |
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|
|
1 | DCD | DCD | 1 | ||
2 | RXD | TXD | 3 | ||
3 | TXD | RXD | > | 2 | |
4 | DTR | DSR | > | 6 | |
5 | SGND | SGND | 5 | ||
6 | DSR | DTR | 4 | ||
7 | RTS | CTS | > | 8 | |
8 | CTS | RTS | 7 | ||
9 | RI | RI | 9 |
Console Port to 25-Pin DTE Port on PC
Switch’s | Null Modem |
| PC’s | ||
| Serial Port |
|
|
| DTE Port |
1 | DCD | 1 | 1 | 8 | DCD |
2 | RXD | 2 | 3 | 3 | TXD |
3 | TXD | 3 | 2 | 2 | RXD |
4 | DTR | 4 | 8 | 20 DTR | |
5 | SGND | 5 | 20 | 7 | SGND |
6 | DSR | 6 | 7 | 6 | DSR |
7 | RTS | 7 | 4 | 4 | RTS |
8 | CTS | 9 | 5 | 5 | CTS |
9 | RI | 20 | 6 | 22 RI |