| DIN Pin Number |
Apple Pin |
Pin Name |
Description (may be empty) |
| 1 | 1 | HSKo | Handshake out (DTR) |
| 4 | 2 | TxD | Data out |
| 2 | 3 | GND | Signal ground |
| 5 | 4 | RxD | Data in |
| 3 | 5 | HSKi | Handshake in (DSR) |
* Please note: Apple's numbering scheme for its' DIN-5 ports do not follow the DIN specification. Both have been provided for convenience. PC RS-232c interface details.

