Allied Telesis AT-GS924GB - Manual (Page 39)

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Chapter 3
Troubleshooting
This chapter contains information on how to troubleshoot the switch in
the event that a problem occurs.
Note
If you are still unable to resolve the problem after following the
instructions in this chapter, contact Allied Telesyn Technical
Support for assistance. Refer to Contacting Allied Telesyn
Technical Support on page x.
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:
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.