Chapter 1: Overview
Switch
ID LED
Figure 6. Switch ID LED
The states of the LED when the switch is not operating in the low power mode are shown in Figure 7.
The switch is booting up.
The switch has encountered a fault condition.
The switch is operating as a
The switch has an ID number of 1 to 4 as part of a VCStack.
The dot in the lower right corner flashes when the switch accesses USB memory.
Figure 7. Switch ID LED
The switch displays the letter “F” for fault on the ID LED if it encounters one of the following problems:
A cooling fan has failed.
An unsupported power supply module has been installed.
One of the power supplies has failed.
The internal temperature of the switch has exceeded the normal operating range and the switch may shut down.
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