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DELL N3000 User Manual

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Hardware Overview
Table 3-16 shows the 100/1000/10000Base-T port LED definitions.
Stacking Port LEDs
Table 3-1. 100/1000/10000Base-T Port Definitions
LED
Color Definition
Link/SPD LED Off
There is no link.
Solid yellow
The port is operating at 10/100 Mbps.
Solid green
The port is operating at 1000 Mbps.
Activity LED 
(on non-PoE 
switches)
Off
There is no current transmit/receive activity.
Blinking green
The port is actively transmitting/receiving.
Activity/PoE 
LED (on PoE 
switches)
Off
There is no current transmit/receive activity 
and PoE power is off.
Blinking green
The port is actively transmitting/receiving and 
PoE power is off.
Blinking yellow
The port is actively transmitting/receiving and 
PoE power is on.
Solid yellow
There is no current transmit/receive activity 
and PoE power is on.
Table 3-2. Stacking Port LED Definitions
LED
Color Definition
Link LED
Off
There is no link.
Solid green
The port is actively transmitting/receiving.
Activity LED
Off
There is no current transmit/receive activity.
Blinking green
The port is actively transmitting/receiving.