I wasn't clear about the 6 dB drop - is that using a microfilter rather than the filtered faceplate ?
Try using a microfilter in the phone port of the filtered faceplate ie two filters in series.
Might be a line fault if it is independent of what you do at your end.
Phil
MaxDSL - goes as fast as it can and doesn't read the line checker first.
MaxDSL diagnostics...



