Hi my modem has been on constantly for almost a month now, but the other night it has been re synced by the cabinet. My download speed has gone from 62mb to 73mb. Connection is very stable as far as I can tell. Although what is the reason behind this. and will the SNR go back to 6?
Was GINP enabled previously?
Yes its been enabled for over a month now, maybe even two
It's probably the dynamic line management in your exchange noticing a change in the line quality and stability, dropping it to 3dB. It should stay as it is unless things change, i.e. line degradation or instability.