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Drawing No. Sheet No. Revision
K6610091 29/43 2005/2/23
10 Physical interface
10.1 Connector Specifications
Use the mating connectors which are electrically and mechanically compatible.
The following part numbers indicate the mating connectors.
Table 10.1 Interface connectors
Interface Name Part number Manufacturer
WIDE LVD SCSI interface connector 786090-7
DHJ-PAC68-2AN
AMP
DDK
DC power connector Pin:61314-4
Housing:1-480424-0
AMP
AMP
SCA-2 LVD
SCSI interface connector
with DC power connector
787311-1
787565-1
HD2-PA080-S11
AMP
AMP
DDK
10.2 Cable Specifications
(1) SCSI Interface Cable
Use interface cables that meet the ANSI SCSI guideline.
The total cable length must be within the maximum cable length in case multiple
drives are daisy chained. Specifications of maximum cable length are shown in
Table 10.2 and Table 10.3.
The length of a cable connected between SCSI devices must be a minimum of
12 cm. (The stub length of the drive: 4 cm)
If an external cable the stub length of which becomes long is connected
to the devices, the cable length between the devices must be a minimum of
(external stub length + 4 cm) x 3.
If data are transferred by Ultra SCSI (Fast-20) mode, Ultra2 SCSI (Fast-40) mode,
Ultra160 SCSI (Fast-80) mode or Ultra320 SCSI (Fast-160) mode, check that the
interface reflection noise does not influence the motion of the drive in the actual
user’s system.