Ieee 1394 Serial Bus Interface (Option) - Epson GT-30000 Service Manual

A3 Size Color .lat Bed Scanner GT-30000
Table 1-8. Normal SCSI Connector .unctions
Signal In/Out Connector pin No
ACK I
RST I
MSG O
SEL I/O
C/D O
REQ O
I/O O
" Wide SCSI (68pin)
.igure 1-4. Wide SCSI (68pin)
Table 1-9. Wide SCSI Connector .unctions
Signal I/O Connector pin number
GND 1~16, 19~34, 49, 50, 54, 56
NC
DB0 I/O
DB1 I/O
DB2 I/O
DB3 I/O
DB4 I/O
DB5 I/O
DB6 I/O
DB7 I/O
DBP I/O
DB8 I/O
DB9 I/O
PRODUCT OUTLINE
Description
44 Acknowledge
45 Reset
46 Message
47 Select
48 Command / Data
49 Request
50 Input / Output
connector pin arrangement
Description
40 Data Bus 0
41 Data Bus 1
42 Data Bus 2
43 Data Bus 3
44 Data Bus 4
45 Data Bus 5
46 Data Bus 6
47 Data Bus 7
48 Data Bus Parity
65 Data Bus 8
66 Data Bus 9
Interface Specifications
Table 1-9. Wide SCSI Connector .unctions
Signal I/O Connector pin number
DB10 I/O
DB11 I/O
DB12 I/O
DB13 I/O
DB14 I/O
DB15 I/O
DBP1 I/O
TERMPWR
ATN I
BSY I/O
ACK I
RST I
MSG O
SEL I/O
C/D O
REQ O
I/O O

1.3.3 IEEE 1394 Serial Bus Interface (Option)

.or details of the IEEE1394 Serial Bus Interface, refer to the separate service
manual for IEEE1394 Scanner I/. Card.
Revision A
Description
67 Data Bus 10
68 Data Bus 11
35 Data Bus 12
36 Data Bus 13
37 Data Bus 14
38 Data Bus 15
39 Data Bus Parity
17, 18, 51, 52 Terminator Power
55 Attention
57 Busy
58 Acknowledge
59 Reset
60 Message
61 Select
62 Command / Data
63 Request
64 Input / Output
17