Seagate ST32430N Specifikace Strana 130

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Section 10—CD-ROM Drive CD-ROM Physical Configuration and Cabling
128 Application ModuleX Service 12/01
Honeywell
CD-ROM power
Power to the CD-ROM drive is supplied by the A
X
M node power supply.
This is done through a wire harness connected to J9 on the rear of the
A
X
M node backplane.
CD-ROM drive
SCSI cabling
The optional CD-ROM drive connection may coexist with an optional
DAT drive connection to the coprocessor.
The possible SCSI interface cable connection schemes are illustrated in
the following two diagrams.
The device connected to the far end of the cable (daisy chain) must be
the device that provides the SCSI interface termination.
CD-ROM
connection (no
DAT)
The following diagram illustrates the SCSI cable connection for an
optional A
X
M connected CD-ROM drive without an optional A
X
M
connected DAT drive. Notice the A
X
M connected CD-ROM shares the
common Universal Station drive enclosure. In this case, the A
X
M
connected CD-ROM must have the termination resistor assemblies
present to provide the SCSI interface termination. The cartridge drive
shown would be connected to the US node in the common station
furniture.
Second Hard Disk Drive (Optional)
40170
Hard Disk Drive Tray
(Located above WSI2 Board)
Backplane
Connection
HDDT I/O
WSI2 I/O
Coprocessor
HDDT
WSI2
HDDT Circuit Board
First Hard Disk Drive
SCSI Cable 51304918-100
SCSI Cable
51192054-100
SCSI Cable
51305070-103
Cart
CD
SCSI Cable
51305070-202
Drive Enclosure
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