SCSI connector specifications

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1)Pin layout of SCSI connectors

Signal name

 

Pin No.

Signal name

 

 

 

 

 

GROUND

1

 

26

-DB(0)

GROUND

2

 

27

-DB(1)

GROUND

3

 

28

-DB(2)

GROUND

4

 

29

-DB(3)

GROUND

5

 

30

-DB(4)

GROUND

6

 

31

-DB(5)

GROUND

7

 

32

-DB(6)

GROUND

8

 

33

-DB(7)

GROUND

9

 

34

-DB(P)

GROUND

10

 

35

GROUND

GROUND

11

 

36

GROUND

NC

12

 

37

NC

NC

13

 

38

TERMPWR

NC

14

 

39

NC

GROUND

15

 

40

GROUND

GROUND

16

 

41

-ATN

GROUND

17

 

42

GROUND

GROUND

18

 

43

-BSY

GROUND

19

 

44

-ACK

GROUND

20

 

45

-RST

GROUND

21

 

46

-MSG

GROUND

22

 

47

-SEL

GROUND

23

 

48

-C/D

GROUND

24

 

49

-REQ

GROUND

25

 

50

-I/O

 

 

 

 

 

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

characteristics

present the following output characteristics.

 

True (LOW): VOL = 0.0 to 0.4 V DC

 

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

characteristics

the following input characteristics.

 

True (LOW): VOL = 0.0 to 0.4 V DC

 

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).

Others

English

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.

Published by Pioneer Corporation.

Copyright © 2002 Pioneer Corporation.

All rights reserved.

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Pioneer DRM-7000, DRM-3000 manual Scsi connector specifications, Maintenance, Pin layout of Scsi connectors

DRM-7000, DRM-3000 specifications

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