Seagate ST3620N/ND/NC ユーザーズマニュアル

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Hawk 1LP Family Installation Guide, Rev. D          17
Initial set-up information
For the initial setup connect the cables or plug into a
mounted connector (if applicable), set the drive ID on
the bus and enable or disable the I/O line terminator
resistor packs ("N" and some "NC" models). These
procedures are described in paragraphs following.
Note whether drive model number ends in N, ND or NC.
SCSI interface cable connection
Models Hawk 1LP family are SCSI interface drives.
System connection is via a 50 pin SCSI connector.
System connection for "NC" models is via an 80 pin
SCSI and DC power connector. Normally the "NC"
model plugs directly into a PCB or bulkhead mounted
mating 80 pin connector.  Pin 1 is noted in Figure 2.
Some cables have a contrasting color stripe on one
edge to indicate pin 1. On the "NC" models the I/O
connector is keyed by virtue of its shape. There is only
one way it can mate with the mating input connector.
Strain relief is recommended at the cable in drives
using cables. Do not block system cooling air flow in
routing of cables.