3Com 4800G Getting Started Manual page 15

Table 5 Descriptions of the LEDs on the front panel of Switch 4800G PWR 24-Port
LED Mark Status
Redundant power RPS
system LED
Module LED MOD
7-segment digital Unit
LED
Solid green
Solid yellow
OFF
Solid green
Flashing yellow
OFF
POST running
POST failed
Software loading
Fan failure
Over-temperature alarm
Cluster state
PoE mode
The power LED flashes green The LED displays the POST test ID.
The power LED flashes red
The power LED flashes green. A bar rotates clockwise around the LED.
The power LED is solid red.
The power LED is solid red.
The power LED is solid green. For a command switch, the LED displays C.
The power LED is solid green. The LED displays the utilization of the
Switch 4800G PWR 24-Port
Description
The AC power input and the DC power
input are both normal.
The DC power input is normal, but an AC
power failure occurs or no AC power is
connected.
No DC power is connected.
The module is in position and works
normally.
The switch does not support the module
or a module failure occurs.
No module is installed.
The LED flashes the POST test ID of the
failed test.
The LED displays F.
The LED displays t.
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.
power supply.
81 - 100%
61 - 80%
41 - 60%
21 - 40%
0 - 20%
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