IOM12 module LEDs
The LEDs on the IOM12 module indicate whether the module is functioning normally, whether it is
ready for I/O traffic, and whether there are any problems with the hardware.
The following table describes IOM12 module LEDs associated with the function of the module and
the function of each SAS port on the module.
The IOM12 module is used in DS460C, DS224C, and DS212C disk shelves.
LED icon
LED name
State
Description
Attention
Solid amber
IOM12 module function: An error occurred with the
function of the IOM12 module.
SAS port function: Less than all four SAS lanes
established a link (with either an adapter or another
disk shelf).
Check event messages to determine corrective action to
take.
LNK
Port link
Solid green
One or more of the four SAS lanes established a link
(with either an adapter or another disk shelf).
Location
Solid blue
The system administrator activated this LED function
to aid in physically locating the disk shelf with the
failed IOM12 module.
Note:
The location LED on the operator display
panel and both IOM12 modules illuminate when this
LED function is activated. Location LEDs
automatically turn off after 30 minutes.
The following illustration is for a IOM12 module:
Power supply LEDs
The LEDs on the power supply indicate whether the power supply is functioning normally or there
are hardware problems.
The following table describes the two LEDs on power supplies used in DS460C, DS224C, and
DS212C disk shelves:
46 | Service Guide for DS460C, DS224C and DS212C Disk Shelves
Summary of Contents for DS224C
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