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Chapter 1: Overview
46
The states of the LED when the switch is not operating in the low power
mode are shown in Figure 12.
The switch is booting up.
The switch has encountered a fault condition.
The switch is operating as a standalone unit.
The switch has an ID number of 1 to 8 as part of a
VCStack.
The dot in the lower right corner flashes when the switch
accesses USB memory.
When the eco-friendly mode is enabled, the front panel LEDs
are in OFF mode. The horizontal segments will be lit up to
show power status and mode of stacking:
Lower segment: Member
Middle segment: Standalone
Upper segment: Master
No segment illuminated: No Power
Figure 12. Switch ID LED Description
The switch displays the letter "F" for fault on the ID LED if it detects one of
the following problems:
A cooling fan has failed.
The internal temperature of the switch has exceeded the normal
operating range and the switch may shut down.
Redundant PSU failure (a second PSU is present, but not supplied
with power).
Note
You can use the SNMP or the CLI management interface to
determine the type of fault or faults.
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