Switch 4800G 48-Port 21
7-segment digital
LED
Unit POST running The power LED flashes green. The LED displays the POST test ID.
POST failed The power LED flashes red. The LED flashes the POST test ID of the
failed test.
Software loading The power LED flashes green. A bar rotates clockwise around the LED.
Fan failure The power LED is solid red. The LED displays F.
Over-temperature alarm The power LED is solid red. The LED displays t.
Cluster status Solid green For a command switch, the LED displays C.
For a member switch, the LED displays S.
For a candidate switch, the LED displays c.
The LED displays 1 if there is only one unit.
Auto-sensing
10/100/1000Base-T
Ethernet port status
LED
- Speed Green A 1000 Mbps link is present. When data is
being received or sent, the LED flashes at a
high frequency.
Yellow A 10/100 Mbps link is present. When data
is being received or sent, the LED flashes
at a high frequency.
Flashing yellow (3 Hz) The port fails the POST.
OFF No link is present.
Duplex Green The port operates in the full duplex mode.
When data is being received or sent, the
LED flashes at a high frequency.
Yellow The port operates in the half duplex mode.
When data is being received or sent, the
LED flashes at a high frequency.
Flashing yellow (3 Hz) The port fails the POST.
OFF No link is present.
SFP port status LED
(1000 Mbps)
- The Mode button has no
effect on the LED.
Green A 1000 Mbps link is present. When data is
being received or sent, the LED flashes
every 30 milliseconds.
Flashing yellow (3 Hz) The port fails the POST.
OFF No link is present.
Table 6 Description of LEDs on the front panel of the Switch 4800G 48-Port
LED Mark Status Description
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