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).
1660