IBM RS/6000 with 128 Port RAN
Note: requires tty ports to be configured for "alternate RJ45 pinout" in SMIT or use "altpin" from the command
line with AIX versions older than 3.2.5
RAN to mux cable for terminal use
| RAN
RJ45 | Direction | SR
RJ45 | SPL
DB25P | Signal |
| 1 | <=== | 2 | 8 | DCD |
| 2 | ===> | 3 | 11 | Busy |
| 3 | ==== | 4 | 7 | SG |
| 4 | ===> | 6 | 2 | TxD |
| 5 | <=== | 5 | 3 | RxD |
| 7 | <=== | 7 | 5 | CTS |
| 8 | ===> | 8 | 4 | RTS |
Available from DCB as CPU-2 cable and SPL Port Adaptor
RAN to mux cable for printer use
| RAN
RJ45 | Direction | SR
RJ45 | SPL
DB25P | Signal |
| 1 | <=== | 7 | 5 | CTS |
| 2 | ===> | 3 | 11 | Busy |
| 3 | ==== | 4 | 7 | SG |
| 4 | ===> | 6 | 2 | TxD |
| 5 | <=== | 5 | 3 | RxD |
| 7 | <=== | 2 | 8 | DCD |
| 8 | ===> | 8 | 4 | RTS |
Available from DCB as CPU-3 cable and SPL Port Adaptor