IBM 5786, Процедуры снятия и замены

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Reference information
Provides reference information such as size and capacity of power supplies, cooling fans, and Ultra 320
small computer system interface (SCSI) connections for the 5786, 5787, 7031-D24, and 7031-T24 I/O
enclosures.
I/O enclosure overview
The following System i
®
models are available:
v 5786 - Rack-installable drawer model
v
5787 - Deskside (Tower) model
The following System p
®
models are available:
v
7031-D24 - Rack-installable drawer model
v
7031-T24 - Deskside (Tower) model
Note: The remainder of this topic collection refers to the 5786, 5787, 7031-D24, and 7031-T24 as either
"your I/O enclosure" or "the I/O enclosure."
Index number Description
1 5786, 7031-D24 disk I/O enclosure
2 5787, 7031-T24 disk I/O enclosure
Note: Only 12 disk drives are allowed per SCSI. The front and rear disk dives cannot be on the same
SCSI.
The disk drives are organized in four independent SCSI groups of six drives in each group. With the use
of up to four SCSI repeater cards, you can use either of the following host SCSI bus connection options:
v
A single initiator to each SCSI group
v
A high-availability dual initiator feature that allows the connection of two adapters to a SCSI group
The high-availability SCSI connection feature can be used on any or all of the drive groups in the
enclosure and together with other drive groups in the enclosure, using the standard connection option.
Power is provided through ac power cords. Either model can be set up to use 100-127 V ac or 200-240 V
ac.
Power and fault indicators
Light emitting diodes (LEDs) are located either on or near the major serviceable components in the
enclosure. When it is lit, the LEDs emit either a green or amber light.
5786, 5787, 7031-D24, and 7031-T24 removal and replacement procedures
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