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Re: 50MB deteriorating SNR
Cable Modem Downstream
DS-1 DS-2 DS-3 DS-4
Frequency 299000000 307000000 315000000 323000000
Lock Status
(QAM Lock/FEC Sync/MPEG Lock) Y/Y/Y Y/Y/Y Y/Y/Y Y/Y/Y
Channel Id 5 6 7 8
Modulation 256QAM 256QAM 256QAM 256QAM
Symbol Rate
(Msym/sec) 6.952 6.952 6.952 6.952
Interleave Depth I=12
J=17 I=12
J=17 I=12
J=17 I=12
J=17
Power Level
(dBmV) 1.93 2.15 1.98 2.19
RxMER
(dB) 29.44 29.67 29.81 29.85
Correctable
Codewords 298517077 216838359 172841268 163876881
Uncorrectable
Codewords 297 258 270 251
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