Chapter 3
Troubleshooting
This chapter contains information on how to troubleshoot the switch in the event that a problem occurs.
Note
If after following the instructions in this chapter you are unable to resolve the problem, contact Allied Telesis Technical Support for assistance. Refer to “Contacting Allied Telesis” on page 14 for contact information.
PWR LED is Off
If the LED is OFF, indicating that the unit is not receiving power, do the following:
Ensure that the power cord is securely connected to the power source and to the AC connector on the back panel of the switch.
Verify that the power outlet has power by connecting another device to it.
Try connecting the unit to another power source.
Try using a different power cord.
Verify that the voltage from the power source is within the required levels for your region.
LNK/ACT Port LED is Off
If a LNK/ACT LED is OFF, do the following:
Verify that the end node connected to the port is powered ON and is operating properly.
Verify that the twisted pair cable is securely connected to the port on the switch and to the port on the end node.
Ensure that the twisted pair cable does not exceed 100 meters (328 feet).
47
