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10 CHAPTER 1: INTRODUCING THE SWITCH 4500G FAMILY
Switch 4500G 24-Port
and 48-Port Front
Panel LEDs
The Switch 4500G 24-Port and 48-Port units provide LEDs on the front panel to
allow you to monitor the switch.
Table 3 describes these LEDs. You can use the
mode button on the front panel to switch the LEDs display mode (rate mode or
duplex mode).
Table 3 Switch 4500G 24-Port and 48-Port Front Panel LEDs
LED Label Status Description
Mode LED Mode Rate
mode
Green, ON The port status LEDs are showing
the port rates.
Duplex
mode
Yellow, ON The port status LEDs are showing
the duplex mode of the ports.
Power LED PWR Green, ON The switch starts normally.
Green, blinking (1 Hz) The system is performing power-on
self test (POST).
Red, ON The system fails the POST.
Yellow, blinking (1 Hz) One or more ports fail the POST.
OFF The switch is powered off.
Module LED Module
(MOD)
Green, ON The module is installed and
operates normally.
Yellow, blinking The module is not supported or is in
trouble.
OFF The module is not installed.