Data Connect DCE 2178HSEE, Руководство пользователя

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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
2178HSEE
and 2178HSEE4 is not more than 1.4km. Please also try to adjust
the DIP switch or 2178HSEE / 2178HSEE 4 to other SNR mode.
2. Please note you must use one 2178HSEE / HSEE4 with CO
mode and the other 2178HSEE / HSEE4 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 or better cable with RJ-45
connector to connect to the port.
2. If your device (like LAN card) supports to Auto-Negotiation,
please try to manual set at a fixed speed of your device to
solve this issue.
3. The Converter / Bridge 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.
5. The connecting cable is good and with correct type.
6. The connecting device, including any network adapter is func-
tional.