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Cisco 170 Series Hardware Installation Guide
OL-28365-01
Chapter
LED Description
1Power button A hard switch that turns the system on and off. Once depressed, the
button stays in the “on” position:
On—The power symbol on the button illuminates.
Off—The power symbol on the button is dark.
2Alarm Indicates system operating status:
Off—Normal operating system function.
Solid amber—Critical Alarm indicating one or more of the
following:
A major failure of a hardware or software component.
An over-temperature condition.
The power voltage is outside of the tolerance range.
See the “Alarm LED” section on page 1-8.
3HD1 Indicates Hard Disk Drive 1 status:
Flashing green—Proportioned to read/write activity.
Solid amber—Hard disk drive failure.
Flashing amber—Hard disk drive being rebuilt.
Off—No hard disk drive present.
4HD0 Indicates Hard Disk Drive 0 status:
Flashing green—Proportioned to read/write activity.
Solid amber—Hard disk drive failure.
Flashing amber—Hard disk drive being rebuilt.
Off—No hard disk drive present.