Allied Telesyn International Corp AT-9448Ts/XP Installation Guide download pdf (Page 85)

AT-9400 Stack Installation Guide

Power LED is Off

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 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 Telesyn International Corp AT-9448Ts/XP Installation Guide Page 85