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5. Troubleshooting
SYMPTOM:
VDSL LNK LED does not lit after wire is connected to the
VDSL port.
CHECKPOINT:
1. Verify the length of the wire connected between two VC-
201 is not more than 1.5km. Please also try to adjust the
DIP switch or VC-201 to other SNR mode.
2. Please note you must use one VC-201 with CO mode and
the other VC-201 with CPE mode, connect to each other
to make it work.
SYMPTOM:
TP LNK/ACT LED does not lit after cable is connected to the
port.
CHECKPOINT:
1. Verify you are using the Cat.5 or better cable with RJ-45
connector to connect to the port.
2. If your device (like LAN card) supports to Auto-Negotia-
tion, please try to manual set at a fixed speed of your
device to solve this problem.
3. The converter and the connected device's power are on or
not.
4. The port's cable is firmly seated in its connectors in the
switch and in the associated device.
2
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