3 Installing the Hardware

The following table describes the LEDs and Mode Select Button on the front panel of each Switch.

Table 2. LED Description

LED

 

Description

Power

This LED lights green after powering the Switch on to indicate the ready

 

state of the device. The indicator is dark when the Switch is no longer

 

receiving power (i.e powered off).

 

 

Console

This LED blinks green during the Power-On Self Test (POST). When the

 

POST is finished, the LED goes dark. The indicator lights steady green when

 

an active console link is in session via the RS-232 console port.

 

 

RPS

This LED lights when the internal power has failed and the RPS has taken

 

over the power supply to the Switch. Otherwise, it remains dark.

 

 

Link/Act/Speed

You can change the mode of the LEDs over each port to display the

and PoE Mode

information about the link, activity, and speed of a port or whether 802.3af

 

Power Over Ethernet (PoE) is supporting devices attached to the port.

 

To change the LED mode from Link/Act/Speed to PoE and vice versa, press

 

the LED Mode Select Button.

 

 

Port LEDs

One row of LEDs for each port is located above the ports on the front panel.

 

The indicator above the left side of a port corresponds to the port below the

 

indicator in the upper row of ports. The indicator above the right side of a

 

port corresponds to the port below the indicator in the lower row of ports.

 

The port LEDs show information about link, activity, and speed on the port

 

or Power over Ethernet usage on the port, depending on the LED mode you

 

select.

 

For Link/Act/Speed Mode:

 

Solid Green—Indicates a valid 1000Mbps link on the port, while a

 

 

blinking green light indicates activity on the port (at 1000Mbps).

 

Solid Amber—Indicates a valid 10 or 100Mbps link on the port.

 

Blinking Amber—Indicates activity on the port (at 100Mbps).

 

Off—No link/activity on the port.

 

For PoE Mode:

 

Solid Green—Power feeding (802.3af-compliant PD was detected).

 

• Blinking Amber—PoE port ERROR (non-standard PD connected, Under

load state according to 802.3af (current is below I min), Overload state according to 802.3af (current is above I cut), hardware problems preventing port operation, power budget exceeded, short condition was detected at a port delivering power, temperature overload at the port, succession of Underload and Overload states caused port shutdown (may be caused by a PD's DC/DC fault)...etc.)

Off—No power feeding (no PD detected, or no connection)

Hardware Overview 39

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D-Link DWS 3000 user manual LED Description, Power, Console, Port LEDs, For Link/Act/Speed Mode, For PoE Mode