Verify that the node connected to the port on the switch is powered ON. If the node is OFF, power the unit ON.

Verify that the distance between the switch and the connected network device is no greater than 100 meters (328 feet).

Check to be sure that you are using the correct type of cable: Category 3, 4, or 5 for 10 Mbps operation and Category 5 cable for 100 Mbps operation.

Verify that the cable has not been cut or damaged.

3.If the LNK/ACT LED for a port is ON but there is a communication problem to the end- node connected to the port, such as the loss of data, check the following:

Check to be sure that the distance between the switch and the connected network device is no greater than 100 meters (328 feet).

Verify that you are using the correct type of cable: Category 3, 4, or 5 for 10 Mbps operation and Category 5 cable for 100 Mbps operation.

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Allied Telesis AT-FS708LE manual