hi all thanks for the repley
just got the new modem installed all seems ok now
here is reading from the new modem
Downstream Frequency: 331000000 Hz
Modulation: QAM256
Bit Rate: 20480000 bits/sec
Power Level: 2.3 dBmV
Signal to Noise Ratio: 38.1 dB
Upstream Frequency: 29200000 Hz
Modulation: QAM16
Bit Rate: 768000 bits/sec
Power Level: 53.5 dBmV
everthink seem to have improved. both down and up frequency went up, also now the power level is less than 55dbmv
hopefully it all ok now
thank you for all your help
