Managed Mode Button; Switch Ventilation Fan - Dell PowerConnect 2808 User Manual

Figure 2-9. RJ-45 Copper-based 10/100/1000BASE-T LEDs
The RJ-45 LED indications are described in the following table:
Table 2-4. RJ-45 Copper based 10/100/ 1000BASE-T LED Indications
LED Color
Left LED Green Solid
Green Flashing
Amber Solid
Amber Flashing
Off
Right LED Green Solid
Off
SFP Port LED
The following table describes the SFP LED indications.
Table 2-5. SFP LED Indications
LED Color Description
Green Solid Link is established.
Green Flashing Activity is occurring.
Off No link is established.

Managed Mode Button

The PowerConnect 28xx has a Mode push button on the front panel. The Mode button is for changing
between Managed Mode and Unmanaged (or Secure) Mode and for resetting the device. To transition
between modes, press the button normally. To reset the device, press and hold the button for at least 7
seconds. For more information about management modes and transitioning between them, see
"Management Modes" on page 49.

Switch Ventilation Fan

The PowerConnect 2848 switch has three fans and the PowerConnect 2824 switch has one fan for system
ventilation. The PowerConnect 2808 and PowerConnect 2816 devices have no internal fans.
Description
The port is linked at 1000 Mbps.
The port is transmitting or receiving data at 1000 Mbps.
The port is linked at either 10 or 100 Mbps.
The port is transmitting or receiving data at 10 or 100 Mbps.
No link is established.
The port is currently transmitting in Full Duplex mode.
The port is operating in Half Duplex mode.
Dell PowerConnect 28xx Systems User Guide
23