Expansion Enclosure Components - IBM Storwize V7000 Unified Manual

3 Serial-attached SCSI (SAS) ports. Each canister has two SAS ports for
v
connecting to optional expansion enclosures.

Expansion enclosure components

Figure 15 shows the rear view of an expansion enclosure and identifies the location
of the power supply units and the canisters. The ports and their use are described
later in this section.
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Figure 15. Rear view of a model 2076-212 or a model 2076-224 expansion enclosure
v Power supply units are on the left and right of the canisters. Power supply 1
is located on the left. Power supply 2 is located on the right. Power supply 1
is inserted top side up, and power supply 2 is inverted, or top side down.
Important: The power supply units for the control enclosure and expansion
enclosure are not interchangeable.
v Two canisters are housed in the middle of the enclosure. Each canister is known
as an expansion canister. The upper canister, as shown in Figure 15, is canister
3 , and the lower canister is canister 4 . Canister 3 is top side up, and canister
4 is inverted, or top side down.
Figure 16 on page 48 shows the rear view of an expansion enclosure and identifies
the SAS port locations.
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Chapter 3. Before you begin adding file modules
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