Allied-telesis AT-MCR1 Manuel d'utilisateur télécharger pdf (Page 43)

Chapter 3

Troubleshooting

Follow the guidelines below to test and troubleshoot the

installation in the event a problem occurs.

If the PWR LED is OFF, do the following:

 Check to be sure that the power adapter is securely connected

to the power source and to the DC connector on the front of

the AT-MCR1 chassis.

 Check to be sure that the power outlet has power by

connecting another device to it.

 Try replacing the power adapter with another power adapter.

If there is a communication problem between the end-nodes

connected to the chassis, do the following:

 Verify that the chassis and end-nodes are operating with the

same duplex mode.

If you are still experiencing problems after testing and

troubleshooting the installation, refer to “Contacting Allied Telesis”

on page 10. For support information, visit our web site at

www.alliedtelesis.com.

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Allied-telesis AT-MCR1 Manuel d'utilisateur Page 43