(2) DC Power Supply Cable

The DC power cable should be as short as possible to minimize voltage drop.

Table 10.2 Interface cable (WIDE, Single-ended mode)

 

Cable Type

 

Maximum cable length

 

 

Fast-5

Fast-10

Ultra (Fast 20)

SCSI interface

Flat Ribbon or

6m

3m

3m (4 units max.) or

 

Twisted Pair

(16 units max.)

(16 units max.)

1.5m (8 units max.)

DC power supply

AWG#20

 

3m

 

Table 10.3 Interface cable (WIDE, LVD mode)

 

Cable Type

Maximum cable length

 

 

Ultra2 (Fast-40), Ultra160 (Fast-80) , Ultra320 (Fast-160)

SCSI interface

Flat Ribbon or

12m (16 units max.)

 

Twisted Pair

 

DC power supply

AWG#20

3m

Shield the cables as necessary to improve the interface noise immunity, especially if the cables run close to noise generating devices or exit the frame or chassis.

Drawing No. Sheet No. Revision

K6610091

30/43

2005/2/23

Page 30
Image 30
Hitachi HUS103030FL3600, HUS103036FL3600 Interface cable WIDE, Single-ended mode, Interface cable WIDE, LVD mode