Maxpeed I/O
Note: Ports are not easily configured to run modem control and hardware flow control simultaneously. Two pins on
each port may be set for RTS/CTS or DTR/DCD. Both functions can be supported for a port only by "borrowing"
the extra two leads from another port!
Maxpeed to mux for hardware flow control
| Signal | Maxpeed
RJ12 | Direction | SPL
DB25P | SR RJ45 |
|---|
| RTS | 1 | ===> | 11 | 3 |
| RxD | 2 | <=== | 3 | 5 |
| SG | 3 | ==== | 7 | 4 |
| TxD | 5 | ===> | 2 | 6 |
| CTS | 6 | <=== | 5 | 7 |
Maxpeed to mux for Xon/Xoff w/Device present
| Signal | Maxpeed
RJ12 | Direction | SPL
DB25P | SR RJ45 |
|---|
| DTR | 1 | ===> | 4 | 8 |
| RxD | 2 | <=== | 3 | 5 |
| SG | 3 | ==== | 7 | 4 |
| TxD | 5 | ===> | 2 | 6 |
| DCD | 6 | <=== | 8 | 2 |