PIN ASSIGNMENTS
Console Port to 25-Pin DTE Port on PC
Switch Port DB-9 Pin No.
1(DCD)
2 (RXD)
3 (TXD)
4 (DTR)
5(SGND) 6 (DSR) 7 (RTS) 8 (CTS) 9 (RI)
| Null Modem |
|
| DTE Pin No. | |
|
| |
1 | 1 | 8 (DCD) |
2 | 3 | 3 (TXD) |
3 | 2 | 2 (RXD) |
4 | 8 | 20 (DTR) |
5 | 20 | 7 (SGND) |
6 | 7 | 6 (DSR) |
7 | 4 | 4 (RTS) |
9 | 5 | 5 (CTS) |
20 | 6 | 22 (RI) |