FS UMC-GA1F1T Guide De Démarrage Rapide page 22

Troubleshooting
The per port LED is not lit
Check the cable connection of the Media Converter.
Performance is bad
Check the speed duplex mode of the partner device. The Media
Converter usually runs in auto-negotiation mode. If the partner is set to
half duplex, the performance will be poor.
Per port LED is lit, but the tra c is irregular
Check that the attached device is not set to dedicate full duplex. Some
devices use a physical or software switch to change duplex modes.
Auto-negotiation may not recognize this type of full-duplex setting.
The Media Converter doesn't connect to the network
Check per port LED on the Media Converter. Make sure the cable is
installed properly. Make sure the cable is the right type. Turn o the
power. After a while, turn on the power again.
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