Allied-telesis AT-FS717FC/xx Manuel d'utilisateur télécharger pdf (Page 29)

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:

q Make sure that the power cord is securely connected to the wall outlet

and the power connector on the back of the switch.

q Verify that the power outlet has power by connecting another device

to it.

q Try connecting the switch to another power source.

q Try using another power cord.

If a LNK/ACT LED for a twisted pair port is OFF, do the following:

q Check that the end-node connected to the port is powered ON and is

operating properly.

q Check that the twisted pair cable is securely connected to the port on

the switch and to the port on the end-node.

q Verify that the end-node is operating at 10 or 100 Mbps and half-

duplex mode.

q Make sure that the twisted pair cable does not exceed 100 meters (328

feet) and that you are using a Category 3 or better cable for 10Base-T

operation or a Category 5 or better cable for 100Base-TX operation.

Chapter 3

Troubleshooting

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Allied-telesis AT-FS717FC/xx Manuel d'utilisateur Page 29