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Troubleshooting
This is an old revision of the document!
The display can be used for troubleshooting the ADSL connection. The dots in the display indicate:
. (one dot)
Power on, idle - no DSLAM has been detected.
.. (two dots)
Power on, idle - DSLAM has been detected and ADSL training has been attempted to it.
… (three dots)
DSLAM located and connection has been establised
To troubleshot the ADSL connection:
The dots remain in the display until the unit is restarted. If there are two dots in the display you know that the modem has been in contact with a DSLAM since you turned the unit on.
If the modem has not been in contact with a DSLAM at all (one dot) you need to check the cable connected to the LINE port of the unit.
If the modem has been in contact with a DSLAM (two or three dots) but could not maintain a connection, or could not transmit data on the connection, then you need to check:
When the modem starts to negotiate, one rolling figure-of-eight is displayed on the frontpanel. From this stage one can follow the progress on the ADSL Status page, in the ADSL line state report.
If the first step is successful, it is followed by a second figure-of-eight, then a third, at which the ADSL link normally will be successfully established. However, if data still doesn't seem to be transmitted to/from the WAN (Internet)