Epson Perfection 1200U Service Manual page 13
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Also See for Perfection 1200U:
- Basics manual (114 pages) ,
- User manual (113 pages) ,
- Product support bulletin (34 pages)
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EPSON Perfection1200
Connector:
Two 50-pin connectors
Terminator:
Internal terminator
Enable to control "active" or "inactive" by a switch.
(SW=ON ----terminator available)
SCSI ID:
The SCSI ID is set with a rotary switch on the rear panel.
The switch numbers are corresponded to the available
address and can be set from 0 to 7.
Others are reserved
Factory setting ID=2
50pin connector
Figure 1-3. SCSI Connector Pin Assignment
Product Description
Table 1-2. SCSI Connector Pin Assignment
Signal
GND
NC
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
DBP
TEMPWR
ATN
BSY
ACK
RST
MSG
SEL
C/D
REQ
I/O
Interface Specification
I/O
Pin No.
Specification
∼
1
12
∼
14
25
∼
35
37
39, 40, 42
13
I/O
26
Data Bus 0
I/O
27
Data Bus 1
I/O
28
Data Bus 2
I/O
29
Data Bus 3
I/O
30
Data Bus 4
I/O
31
Data Bus 5
I/O
32
Data Bus 6
I/O
33
Data Bus 7
I/O
34
Data Bus Parity
38
Terminator Power
I
41
Attention
I/O
43
Busy
I
44
Acknowledge
I
45
Reset
O
46
Message
I/O
47
Select
O
48
Command/Data
O
49
Request
O
50
Input/Output
Revision B
13
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