Allied Telesis AT-8100L/8POE User Manual

Stand-alone Switch Installation Guide for 8100L and 8100S Series Switches

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Here are descriptions of the switch’s LEDs.

The 10/100Base-TX twisted pair ports have link/activity and duplex mode 
LEDs.

Figure 13. 10/100Base-TX Port LEDs

The LEDs are described in Table 11.

Table 11. 10/100Base-TX Port LEDs

Link/Activity

Off

The port has not established a link to an 
end node.

Solid green

The port has established a link to an end 
node.

Flashing 
green

The port is receiving or transmitting 
packets.

Duplex 
Mode

Off

The port is operating in half-duplex mode.

Solid green

The port is operating in full-duplex mode.