| Mac | Mini-DIN 8p male | dir | D-sub 25p male | Modem |
|---|---|---|---|---|
| HSKo | 1 | -> | 4,20 | RTS,DTR |
| HSKi | 2 | <- | 5 | CTS |
| TXD- | 3 | -> | 2 | TXD |
| GND | 4 | - | 7 | GND |
| RXD- | 5 | <- | 3 | RXD |
| TXD+ | 6 | -> | nc | - |
| GPi | 7 | <- | 8 | CD |
| RXD+ | 8 | -> | nc | - |
| HOST A | D-sub 25p male | dir | D-sub 25p male | HOST B |
|---|---|---|---|---|
| -STROBE | 1 | 1 | -STROBE | |
| DB0 | 2 | 15 | -ERROR | |
| DB1 | 3 | 13 | SLCT | |
| DB2 | 4 | 12 | PE | |
| DB3 | 5 | 10 | -ACK | |
| DB4 | 6 | 11 | BUSY | |
| DB5 | 7 | 7 | DB5 | |
| -ACK | 10 | 5 | DB3 | |
| BUSY | 11 | 6 | DB4 | |
| PE | 12 | 4 | DB2 | |
| SLCT | 13 | 3 | DB1 | |
| -AUTO_FD_XT | 14 | 14 | -AUTO_FD_XT | |
| -ERROR | 15 | 2 | DB0 | |
| -INIT | 16 | 16 | -INIT | |
| -SLCT_IN | 17 | 17 | -SLCT_IN | |
| GND | 25 | 25 | GND |