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Component identification 85
Item Description Configuration
1
Fan 1 Redundant (primary fan
when processor 2 is
installed)
2
Fan 2 Primary
3
Fan 3 Primary
4
Fan 4 Primary
FBWC module LEDs (P222, P420, P420i, P421,
P822)
The FBWC module has three single-color LEDs (one amber and two green). The LEDs on the cache module
installed on a storage controller are duplicated on the reverse side of the module to facilitate status viewing.
1 - Amber 2 - Green 3 - Green Interpretation
Off
Off Off The cache module is not powered.