| All cables and connectors  Connectors  Computer  Buses| Pinout for:SCSI Internal (Differential) |  | 
 
 
 Description : SCSI Internal (Differential)
 
 
  50 PIN IDC MALE at the controller & devices
 
 
  50 PIN IDC FEMALE at the cable
 
 Pinout :
 
 
 | Pin | Name | Description |  | 1 | GND | Ground |  | 2 | GND | Ground |  | 3 | +DB0 | +Data Bus 0 |  | 4 | -DB0 | -Data Bus 0 |  | 5 | +DB1 | +Data Bus 1 |  | 6 | -DB1 | -Data Bus 1 |  | 7 | +DB2 | +Data Bus 2 |  | 8 | -DB2 | -Data Bus 2 |  | 9 | +DB3 | +Data Bus 3 |  | 10 | -DB3 | -Data Bus 3 |  | 11 | +DB4 | +Data Bus 4 |  | 12 | -DB4 | -Data Bus 4 |  | 13 | +DB5 | +Data Bus 5 |  | 14 | -DB5 | -Data Bus 5 |  | 15 | +DB6 | +Data Bus 6 |  | 16 | -DB6 | -Data Bus 6 |  | 17 | +DB7 | +Data Bus 7 |  | 18 | -DB7 | -Data Bus Parity7 |  | 19 | +DBP | +Data Bus Parity (odd Parity) |  | 20 | -DBP | -Data Bus Parity (odd Parity) |  | 21 | DIFFSENS | ??? |  | 22 | GND | Ground |  | 23 | res | Reserved |  | 24 | res | Reserved |  | 25 | TERMPWR | Termination Power |  | 26 | TERMPWR | Termination Power |  | 27 | res | Reserved |  | 28 | res | Reserved |  | 29 | +ATN | +Attention |  | 30 | -ATN | -Attention |  | 31 | GND | Ground |  | 32 | GND | Ground |  | 33 | +BSY | +Bus is busy |  | 34 | -BSY | -Bus is busy |  | 35 | +ACK | +Acknowledge |  | 36 | -ACK | -Acknowledge |  | 37 | +RST | +Reset |  | 38 | -RST | -Reset |  | 39 | +MSG | +Message |  | 40 | -MSG | -Message |  | 41 | +SEL | +Select |  | 42 | -SEL | -Select |  | 43 | +C/D | +Control or Data |  | 44 | -C/D | -Control or Data |  | 45 | +REQ | +Request |  | 46 | -REQ | -Request |  | 47 | +I/O | +In/Out |  | 48 | -I/O | -In/Out |  | 49 | GND | Ground |  | 50 | GND | Ground | 
 Note : SCSI Internal (Differential)
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