Chapter 1: Overview
30
Figure 5. Switch ID LED
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.
You can use the SHOW SYSTEM ENVIRONMENT command in the
command line interface to identify the source of the problem.
eco-friendly
Button
You can use the eco-friendly button on the management panel to turn the
LEDs on or off. You may turn off the LEDs when you are not using them to
monitor the control and Ethernet line cards, to conserve electricity. When
the LEDs are off, the overall power consumption of the chassis is slightly
reduced by approximately 2 watts.
The button controls all of the port LEDs on the Ethernet line cards and
controller card, except for the L/A LED for the NET MGMT port. The button
does not control the LEDs on power supply systems.
Reset Button Pressing the Reset button resets all the Ethernet line cards in the chassis.
You might perform this function if the chassis and line cards are
experiencing a problem.
The chassis is booting up.
The chassis has encountered a fault condition.
The chassis is operating as a stand-alone unit, with the ID
number 1.
Reserved for future development.
The dot in the lower right corner flashes when the switch
accesses USB memory.
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