IBM 2073-700, Quick Installation Manual

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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.
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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 6, is canister
3
, and the lower canister is canister
4
. Canister 1 is top side up, and canister
2 is inverted, or top side down.
Figure 7 shows the rear view of an expansion enclosure and identifies the SAS port
locations.
Each canister has two SAS ports that are numbered 1 on the left
1
and 2 on the
right
2
. Port 1 must be connected if you are adding one expansion enclosure.
Port 2 must be connected if you are adding a second expansion enclosure.
Note: The reference to the left and right locations applies to canister 1, which is
the upper canister. The port locations are inverted for canister 2, which is the lower
canister.
1
2
3
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4
Figure 6. Rear view of a model 2076-212 or a model 2076-224 expansion enclosure
svc00668
1
1 2
2
Figure 7. SAS ports and LEDs in rear of expansion enclosure
Chapter 1. Before you begin the installation
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