Dell PC2748, PC2708, PC2716, PC2724 manual Fan LED 2748 only, 10/100/1000BASE-T Port LEDs

Table 2-2. Managed Mode LED Indications

LED Color	Description
Green Flashing	Indicates diagnostics in progress, firmware loading, or Managed Mode
	transition.
Green Solid	Indicates the switch is in Managed Mode.
Amber Solid	Diagnostics has failed.
Amber Flashing	No valid image.
Off	Indicates Unmanaged mode or Secure mode (2748 only).

Fan LED (2748 only)

On the PowerConnect 2748 front panel there is a fan LED. The following table describes the fan status LED indications.

Table 2-3. Fan LED Indications

LED Color	Description
Green Solid	All fans are operating correctly.
Red Solid	One or more fans have failed.

Port LEDs

10/100/1000BASE-T Port LEDs

Each 10/100/1000BASE-T port has two LEDs. Speed/Link/Activity is indicated on the left LED and the duplex mode is indicated on the right LED.

The following figure illustrates the RJ-45 10/100/1000BASE-T LEDs.

Figure 2-9. RJ-45 Copper-based 10/100/1000BASE-T LEDs

The RJ-45 LED indications are described in the following table:

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