3Com 4800G - Page 20

20 CHAPTER 1: PRODUCT OVERVIEW
Table 6 Description of LEDs on the front panel of the Switch 4800G 48-Port
LED Mark Status Description
Mode LED Mode Speed Solid green Rate of the port
Duplex Solid yellow Duplex of the port
System power LED SYS Solid green The switch is started normally.
Flashing green (1 Hz) The system is running a POST.
Solid red The system fails the POST or a power
failure occurs.
Flashing yellow (1 Hz) Some ports fail the POST or a port failure
occurs.
OFF The power is disconnected.
LED for power
module slot 1
PWR1 Solid green A power module is installed in the power
module slot and the output is normal.
Solid yellow A power module is installed in the power
module slot but no power is output.
OFF No power module is installed in the power
module slot or no power is input.
LED for power
module slot 2
PWR2 Solid green A power module is installed in the power
module slot and the output is normal.
Solid yellow A power module is installed in the power
module slot but no power is output.
OFF No power module is installed in the power
module slot or no power is input.
Module LED MOD Solid green The module is in position and works
normally.
Flashing yellow The switch does not support the module
or a module failure occurs.
OFF No module is installed.