As per the title my connection (Hub 3) has very poor signal to noise ratio, especially on channels 3 and 4. Here are the stats:
Downstream bonded channels
Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID
1 | 203000000 | 5.5 | 38 | 256 qam | 9 |
2 | 211000000 | 5.4 | 37 | 256 qam | 10 |
3 | 219000000 | 5.1 | 33 | 256 qam | 11 |
4 | 227000000 | 5 | 32 | 256 qam | 12 |
5 | 235000000 | 4.8 | 37 | 256 qam | 13 |
6 | 243000000 | 4.6 | 37 | 256 qam | 14 |
7 | 251000000 | 4.5 | 37 | 256 qam | 15 |
8 | 259000000 | 4.6 | 38 | 256 qam | 16 |
9 | 267000000 | 4.5 | 38 | 256 qam | 17 |
10 | 275000000 | 4.1 | 38 | 256 qam | 18 |
11 | 283000000 | 3.9 | 38 | 256 qam | 19 |
12 | 291000000 | 3.2 | 37 | 256 qam | 20 |
13 | 299000000 | 3 | 37 | 256 qam | 21 |
14 | 307000000 | 3.7 | 37 | 256 qam | 22 |
15 | 315000000 | 5 | 38 | 256 qam | 23 |
16 | 323000000 | 5.6 | 38 | 256 qam | 24 |
17 | 331000000 | 5.5 | 38 | 256 qam | 25 |
18 | 339000000 | 5.4 | 38 | 256 qam | 26 |
19 | 347000000 | 5.1 | 38 | 256 qam | 27 |
20 | 355000000 | 4.8 | 38 | 256 qam | 28 |
21 | 363000000 | 4.6 | 38 | 256 qam | 29 |
22 | 371000000 | 4.6 | 38 | 256 qam | 30 |
23 | 379000000 | 4.4 | 38 | 256 qam | 31 |
24 | 387000000 | 4.1 | 38 | 256 qam | 32 |
Downstream bonded channels
Channel Locked Status RxMER (dB) Pre RS Errors Post RS Errors
1 | Locked | 38.6 | 154 | 0 |
2 | Locked | 37.6 | 148 | 0 |
3 | Locked | 33 | 8711675 | 31 |
4 | Locked | 32.3 | 126559896 | 42 |
5 | Locked | 37.6 | 186 | 0 |
6 | Locked | 37.6 | 125 | 0 |
7 | Locked | 37.6 | 143 | 0 |
8 | Locked | 38.6 | 152 | 0 |
9 | Locked | 38.6 | 179 | 0 |
10 | Locked | 38.6 | 161 | 0 |
11 | Locked | 38.6 | 183 | 0 |
12 | Locked | 37.6 | 321 | 0 |
13 | Locked | 37.6 | 355 | 0 |
14 | Locked | 37.6 | 387 | 0 |
15 | Locked | 38.9 | 139 | 0 |
16 | Locked | 38.9 | 128 | 0 |
17 | Locked | 38.9 | 115 | 0 |
18 | Locked | 38.6 | 159 | 0 |
19 | Locked | 38.9 | 101 | 3 |
20 | Locked | 38.9 | 122 | 0 |
21 | Locked | 38.6 | 147 | 0 |
22 | Locked | 38.9 | 97 | 0 |
23 | Locked | 38.6 | 133 | 0 |
24 | Locked | 38.6 | 130 | 166 |
What can be done to rectify this problem?