|
|
Macintosh to PC Null Modem Cable Pinout -
| Macintosh Signal Description
| Mac DIN 8 Male
| PC DB 25 Female
| PC DB 9 Female
|
| HSKo (Output Handshake)
| 1 (OUT)
| 5, 6, 8 (CTS, DSR, DCD)
| 8, 6, 1 (CTS, DSR, DCD)
|
| HSKi (Input Handshake)
| 2 (IN)
| 4 (RTS)
| 7 (RTS)
|
| TxD- (Transmit Data -)
| 3 (OUT)
| 3 (RxD)
| 2 (RxD)
|
| GND (Signal Ground)
| 4 (GND)
| 7 (GND)
| 5 (GND)
|
| RxD- (Receive Data -)
| 5 (IN)
| 2 (TxD)
| 3 (TxD)
|
| TxD+ (Transmit Data +)
| 6 (OUT)
| -
| -
|
| GPi (General Purpose Input)
| 7 (IN)
| 20 (DTR)
| 4 (DTR)
|
| RxD+ (Receive Data +)
| 8 (IN, GND = RS232 Mode)
| 7 (GND)
| 5 (GND)
|
  
|