D-Link DES-1026G - LED Indicators

LEDs
LED stands for Light-Emitting Diode.
The front panel LEDs provides instant status feedback and simplifies
monitoring and troubleshooting tasks
LED indicators of the Switch

POWER
On
When the Power LED light is on, the Switch is
receiving power.
Off
When the Power LED light is off, the power cord
is improperly connected.
Ports 1-24 Status LEDs
 LINK/ACT
On
When the LED light is on, the respective port is connected
to the 10/100/Mbps Etherent network.
Blinking
When the LED light is blinking, the port is transmitting or
receiving data on the 10/100Mbps Ethernet network.
Off
No link.
Ports 25&26 Status LEDs
 LINK/ACT
On
When the LED light on, the respective port is connected to
a 10/100/1000Mbps Ethernet network.
Blinking
When the LED light is blinking, the respective port is
transmitting
or receiving data on the 10/100/1000Mbps
Ethernet network.
Off
No link.
 1000Mbps
On
When the LED light on, the respective port is connected to