Drawing No. Sheet No. Revision 5
K6602906
30/46
2003/6/12
(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
Twisted Pair
6m
(16 units max.)
3m
(16 units max.)
3m (4 units max.) or
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
Twisted Pair
12m (16 units max.)
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.