User manual

Troubleshooting

The DVI Pure Fiber Optic Extender Dual Link is designed for years of trouble free service, please

reference the troubleshooting chart below if experiencing issues with the device.

Problem

Solution

No picture(or signal)

1. Ensure the power LED is illuminated.

2. Check if TX or RX module is properly connected to sources

or displays.

3. Check if fiber optic cable is properly connected.

4. Make sure that the display is only for DVI-D Dual Link

5. Reboot source device after the connection of fiber optic

cables.

Poor picture or noise

1. Ensure the graphic resolution is correctly set up.

- Select “Settings” on Window Display properties

- Check if the resolution is lower than QXGA

(2560x1600)@60Hz

2.Restart the system

3.Turn off DC power adapter, disconnect fiber optic cable,

reconnect the cables and power on.

4, Check electric ground level of power for DVI Devices

5. Make sure that saved EDID is same as that of display

No Sound

1. Check if the Audio (coaxial) plug or jack is securely

connected

2.Check if the input / output audio is digital

3. Ensure the power LED is illuminated.