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4.1 Interface Connector
C156-E224-01EN 4-3
Table 4.1 SCSI interface connector pin assignments (single-ended type)
01 G –DB0 02
03 G –DB1 04
05 G –DB2 06
07 G –DB3 08
09 G –DB4 10
11 G –DB5 12
13 G –DB6 14
15 G –DB7 16
17 G –DBP 18
19 G G 20
21 G G 22
23 G G 24
25 Open TERMPWR* 26
27 G G 28
29 G G 30
31 G –ATN 32
33 G G 34
35 G –BSY 36
37 G –ACK 38
39 G –RST 40
41 G –MSG 42
43 G –SEL 44
45 G –C/D 46
47 G –REQ 48
49 G –I/O 50
* Terminating resistor power supply (jumper selectable: input only, both input and
output, or open)
Note that shielded end processing is not performed with the
connector on the main unit's optical disk unit for cables that use pin
No.9 as the shielded ground.