PLANET VC-201A - Manual (Page 28)

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5. Troubleshooting
SYMPTOM:
VDSL LNK LED does not light after wire is connected to the
VDSL port.
CHECKPOINT:
1. Verify the length of the wire connected between two VC-201A
/ VC-204 is not more than 2.0km and VC-202A is not more
than 3.0km. Please also try to adjust the DIP switch of
VC-201A / VC-202A / VC-204 to other SNR mode.
2. Please note you must use one VC-201A / VC-202A / VC-204
with CO mode and the other VC-201A / VC-202A / VC-204
with CPE mode, connect to each other to make it work.
SYMPTOM:
TP LED does not light after cable is connected to the port.
CHECKPOINT:
1. Verify you are using the Cat.5, 5e or 6 cables with RJ-45
connector to connect to the port.
2. If your device (like LAN card) supports to Auto-Negotiation,
please try to modify at a fixed speed of your device by manu-
ally.
3. Check the converter and the connected device’s power are ON
or OFF.
4. Check the port’s cable is firmly seated in its connectors in the
switch and in the associated device.
5. Check the connecting cable is good.
6. Check the power adapters are functional, including the
connecting device.