3com Switch 4500G 24-Port Switch 4500G 48-Port Switch 4500G PWR 24-Port Switch 4500G PWR 48-Port ユーザーズマニュアル
10
C
HAPTER
1: I
NTRODUCING
THE
S
WITCH
4500G F
AMILY
Switch 4500G 24-Port
and 48-Port Front
Panel LEDs
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).
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
mode
Green, ON The port status LEDs are showing
the port rates.
Duplex
mode
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).
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)
(MOD)
Green, ON
The module is installed and
operates normally.
operates normally.
Yellow, blinking
The module is not supported or is in
trouble.
trouble.
OFF
The module is not installed.