Pioneer DRM-7000 Operating Instructions Manual page 47

SCSI connector specifications
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1) Pin layout of SCSI connectors
Signal name Pin No.
GROUND 1
GROUND 2
GROUND 3
GROUND 4
GROUND 5
GROUND 6
GROUND 7
GROUND 8
GROUND 9
GROUND 10
GROUND 11
NC 12
NC 13
NC 14
GROUND 15
GROUND 16
GROUND 17
GROUND 18
GROUND 19
GROUND 20
GROUND 21
GROUND 22
GROUND 23
GROUND 24
GROUND 25
NOTES:
¶ Pin No. 12 to 14, 37 and 39 are not grounded.
¶ The connectors are of the shielded type.
¶ For details on the control commands, refer to the separate
specifications manual.
2) Electrical specifications of SCSI
Output The signals driven by SCSI equipment
present the following output characteristics.
characteristics
True (LOW):
IOL = 48 mA (0.5 V DC) max.
False (HIGH): VOH = 2.5 to 5.25 V DC
Input The signals driven by SCSI equipment present
the following input characteristics.
characteristics
True (LOW):
IOL = -0.4 mA (0.4 V DC) max.
False (HIGH): VOH = 2.0 to 5.25 V DC
NOTES:
¶ As the SCSI interface is of the single-ended type, it should
be terminated on both ends of the cable.
¶ The maximum recommended length of an SCSI cable is 6
meters (20 feet) (including internal wiring).
1
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Signal name
26 -DB(0)
27 -DB(1)
28 -DB(2)
29 -DB(3)
30 -DB(4)
31 -DB(5)
32 -DB(6)
33 -DB(7)
34 -DB(P)
35 GROUND
36 GROUND
37 NC
38 TERMPWR
39 NC
40 GROUND
41 -ATN
42 GROUND
43 -BSY
44 -ACK
45 -RST
46 -MSG
47 -SEL
48 -C/D
49 -REQ
50 -I/O
VOL = 0.0 to 0.4 V DC
VOL = 0.0 to 0.4 V DC
Maintenance
In order to ensure safe and proper functioning of this unit,
we recommend regular maintenance. Extended service
life can be expected if maintained properly.
Others
Published by Pioneer Corporation.
Copyright © 2002 Pioneer Corporation.
All rights reserved.
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