Pin | IBM | RS-232 | Keyboard Wedge | USB |
---|---|---|---|---|
1 | Cable ID | Cable ID | Cable ID | Cable ID |
2 | Power (+5V) | Power (+5V) | Power (+5V) | Power (+5V) |
3 | Ground | Ground | Ground | Ground |
4 | IBM_OUT | TxD | KeyClock | Reserved |
5 | IBM_IN | RxD | TermData | D + |
6 | IBM_T/R | RTS | KeyDat | Reserved |
7 | Reserved | CTS | TermClock | D - |
8 | Download input | Download input | Download input | Download input |
9 | Reserved | Reserved | Reserved | Reserved |
10 | Power (+12V) | Power (+12V) | Power (+12V) | Power (+12V) |