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15
C H A P T E R 1 Intel Express 550T Routing Switch
Follow the instructions in Chapter 2 to change the configuration
while the switch is operating.
Other LEDs on the front panel
Introduction There are three other LEDs and one button on the front panel that
show how the switch is operating:
• Status LED
• Temperature LED
• Redundant Power Supply (RPS) LED
• Port Status button
LED colors and their
meanings
The LEDs give information about the state of the switch:
LED Color Meaning
Status Green Solid: The switch is operating normally.
Blinking (1 Hz): Updating software or
running in recovery mode.
Blinking (5 Hz): Running in mainte-
nance mode.
Red The switch is resetting, or either hard-
ware or software errors are detected.
Temperature Green Normal operating temperature.
Orange Temperature is higher than normal.
Check that the area around the air intakes
and vents are clear of obstructions.
Red Temperature is too high and the switch
will shut down.
RPS Green Off: No RPS connected.
Solid: RPS connected, but not needed.
Orange Normal power supply has failed and the
RPS has taken over.
500.book Page 15 Thursday, September 2, 1999 1:50 PM