Sun Microsystems StorEdge D2, Installation, Operation And Service Manual

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1-10 Sun StorEdge D2 Array Installation, Operation, and Service Manual • February 2002
1.7 Components at the Back of the Array
This section describes the components that are at the back of the Sun StorEdge D2
array as shown in
FIGURE 1-4
.
■
One or two ESMs (labeled ESM 0 and ESM 1)
If only one ESM is used, the ESM is in position 0, and a filler is inserted on the
right (in position 1).
■
Two power supply canisters (labeled PS 0 and PS 1)
■
Two dual fan canisters (labeled FT 0 and FT 1)
FIGURE 1-4
Array Back With ESMs, Power Supplies, and Fan Canisters
PS 0 FT 0 FT 1 PS 1
ESM 0 ESM 1
One or two ESMs
Two power supply canisters
Two dual-fan canisters