Troubleshooting - Allied Telesis AT-x230-10GP Installation Manual

Chapter 4

Troubleshooting

AT-x230-10GP, AT-x230-18GP and AT-x230-28GP Switches Installation Guide
This chapter contains information on how to troubleshoot the switch if a
problem occurs.
Note
For further assistance, please contact Allied Telesis Technical
Support at www.alliedtelesis.com/support.
The POWER LED on the front of the switch is off.
Problem 1:
The unit is not receiving power. Try the following:
Solutions:
Verify 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 a different power cord.

Verify that the voltage from the power source is within the required

levels for your region.
All of the port LEDs are off even though the ports are
Problem 2:
connected to active network devices.
The switch is probably operating in low power mode. To toggle
Solution:
on the LEDs, press the ecofriendly button on the front panel for 1 to 4
seconds.
A twisted pair port on the switch is connected to a network
Problem 3:
device but the port's Link/Activity/Speed LED is off.
The port is unable to establish a link to a network device. Try
Solutions:
the following:
Verify that the network device connected to the twisted pair port is

powered on and is operating properly.
Verify that the twisted pair cable is securely connected to the port

on the media converter channel and to the port on the remote
network device.
Verify that the port is connected to the correct twisted pair cable.

This is to eliminate the possibility that the port is connected to the
wrong network device, such as a powered off device.
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