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Figure 69. LEDs on the back of the expansion enclosure
The expansion enclosure has four fans. Each fan has one LED; for example, Figure 69 on page 67 shows
the location of the LED (
fault is detected, the amber LED is lit.
As Figure 69 on page 67 also shows, the expansion enclosure contains two expansion canisters. Each
expansion canister contains its own set of LEDs, as shown in Figure 70 on page 67. The LEDs provide
status information about the expansion canister itself and the SAS connections.
Figure 70. LEDs on the back of the expansion canister
1
Canister fault
2
Canister status
3
Canister power
4
and
6
SAS link fault
5
and
7
SAS link operational
8
Canister release handles
Table 16 on page 68 describes the values and meaning of each LED.
5
) for fan number four. When a fan is operating normally, the LED is not lit. If a
Chapter 2. Installing the system hardware 67
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