Allied Telesis Converteon AT-CV5000- User Manual
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Chapter 4: Troubleshooting

FLT LED is Steadily ON

LK LED is OFF

If the converter FLT LED is steadily on, a problem has occurred in the converter, perform the following:

Try resetting the converter by disconnecting and reconnecting the AC power cord.

Try resetting the management card by pressing the reset button on the LED interface card with the tip of a pen or a non-conductivepointy object.

Try resetting the line card or the module installed in the rear expansion slot by pressing the reset button on the LED interface card with the tip of a pen or a non-conductivepointy object.

Note

If the FLT LED remains steadily on, contact Allied Telesis Technical Support for assistance.

If the LK LED for a twisted pair port on an AT-CV5M01card is OFF, perform the following:

Check that the end node connected to the port is powered ON and is operating properly.

Check that the twisted pair cable is securely connected to the twisted pair port on the switch and on the end node.

Make sure that the twisted pair cable does not exceed 100 meters (328 feet) and that you are using a Category 5 or better cable.

Converteon™ Line Cards

LK LED is

Blinking

LK LED is OFF

If the LK LED for either the fiber optic port or the twisted pair port is blinking, refer to Appendix A in the Converteon™ Media Converter Line Cards Reference Guide.

If the LK LED for a twisted pair port is OFF, do the following:

Check that the end node connected to the port is powered ON and is operating properly.

Check that the twisted pair cable is securely connected to the twisted pair port on the switch and on the end node.

Make sure that the twisted pair cable does not exceed 100 meters (328 feet) and that you are using a Category 5 or better cable.

Check for MissingLink™ option.

If the LK LED for a fiber optic port is OFF, do the following:

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AT-CV5000Media Converter Chassis Installation Guide

Verify that the end node connected to the port is ON and is operating properly.

Check that the fiber optic cable is securely connected to the fiber optic port on the media converter and on the end node.

Check to be sure that the end node connected to the port is operating at the same port speed.

Verify the fiber connections are correct that is the converter’s TX port is connected to the end node’s RX port, and the converter’s RX port is connected to the end node’s TX port.

Check to be sure that the end nodes connected to the switch are operating at the same duplex mode.

Test the attenuation on the fiber cable to ensure that it does not exceed acceptable values.

Verify that you are using the appropriate type of fiber optic cables and that you have not exceeded the maximum operating distances.

Check that the operating specifications of the fiber optic port on the end node are compatible with the operating specifications of the fiber optic port on the converter.

If you are still experiencing problems after testing and troubleshooting the installation, contact Allied Telesis Technical Support for assistance. Refer to “Contacting Allied Telesis” on page 16 or visit our web site at www.alliedtelesis.com for support information.

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Chapter 4: Troubleshooting

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