Allied-telesis AT-8550SP Manuel d'utilisateur télécharger pdf (Page 72)

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 Telesyn Technical Support for

assistance. Refer to Contacting Allied Telesyn on page 10 for

contact information.

Check the PWR LED on the front of the switch. If the LED is OFF,

indicating that the unit is not receiving power, do the following:

 Make sure 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.

 Check that the voltage from the power source is within the

required levels for your region.

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Allied-telesis AT-8550SP Manuel d'utilisateur Page 72