Silicon Graphics InfiniteStorage 6120, User Manual

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Status LED Indicators
0 0 7 - 5 5 3 3 - 0 0 1
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4.1.5 DEM (Drive Expander Module)
Figure 90 describes the DEM LED status.
• Under normal conditions, the LEDs should be illuminated constant green.
• If a problem is detected, the color of the relevant LED will change to amber.
Figure 90. DEM LED Indicators
Identifier Location Color Status
Enclosure fault Front enclosure Amber ON - DEM fault detected
DEM fault Front enclosure Amber ON - DEM fault detected
DEM fault
Internal (DEM)
enclosure
Amber ON - DEM fault detected
DC OK
Internal (DEM)
enclosure
Green
ON - DC voltage regulation is within limits.
OFF - DC output failure
Expander MIPS
ready
Internal (DEM)
enclosure
Green
ON - Expander internal processor is booted and
operating correctly.
OFF - Expander internal processor is NOT booted or
ready.
DEM identify
Internal (DEM)
enclosure
Blue
ON- This DEM is being sent an identify command,
the SEP.