Epson Perfection 600 Quick Start Guide download pdf (Page 54)

SCSI connector pin

assignments:

Signal I/O Pin No. Description

REQ O 1 Request

MSG O 2 Message

I/O O 3 Input/Output

RST I 4 Reset

ACK I 5 Acknowledge

BSY I/O 6 Busy

GND — 7 Ground

DB0 I/O 8 Data Bus 0

GND — 9 Ground

DB3 I/O 10 Data Bus 3

DB5 I/O 11 Data Bus 5

DB6 I/O 12 Data Bus 6

DB7 I/O 13 Data Bus 7

GND — 14 Ground

C/D O 15 Command/Data

GND — 16 Ground

ATN I 17 Attention

GND — 18 Ground

SEL I/O 19 Select

DBP I/O 20 Data Bus P

DB1 I/O 21 Data Bus 1

DB2 I/O 22 Data Bus 2

DB4 I/O 23 Data Bus 4

GND — 24 Ground

TERMPWR — 25 Terminator Power

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