Hi All,
So a week or two ago our broadband was down as they were performing upgrades in the area.
Seemed OK afterwards, slightly different power levels so had to move down to a 3db Forward Path Attenuator (from 6db) to keep the power levels within range.
But yesterday we had a small outage. Had to reboot superhub and after this the power levels jumped up on all channels apart from one. Have put the 6db FPA onto it but there is one channel that is significantly different to all others power wise and therefore getting Post RS errors.
What can be done about this? Does an engineer need to fix something or can it be done without a visit?
Below are current Downstream figures. Upstream appears to be OK.
Service is M600.
Downstream bonded channels
Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID
1 | 227000000 | 2.7 | 36 | 256 qam | 12 |
2 | 219000000 | 2.7 | 36 | 256 qam | 11 |
3 | 235000000 | 3 | 37 | 256 qam | 13 |
4 | 243000000 | 2.9 | 37 | 256 qam | 14 |
5 | 251000000 | 2.7 | 37 | 256 qam | 15 |
6 | 259000000 | 2.7 | 36 | 256 qam | 16 |
7 | 267000000 | 2.7 | 37 | 256 qam | 17 |
8 | 275000000 | 2.9 | 37 | 256 qam | 18 |
9 | 283000000 | 2.9 | 37 | 256 qam | 19 |
10 | 291000000 | 2.9 | 37 | 256 qam | 20 |
11 | 299000000 | 3.5 | 37 | 256 qam | 21 |
12 | 307000000 | 3.7 | 37 | 256 qam | 22 |
13 | 315000000 | 3.5 | 36 | 256 qam | 23 |
14 | 323000000 | 2 | 35 | 256 qam | 24 |
15 | 331000000 | -4.7 | 34 | 256 qam | 25 |
16 | 371000000 | 3.9 | 37 | 256 qam | 26 |
17 | 379000000 | 3.7 | 37 | 256 qam | 27 |
18 | 387000000 | 3.7 | 37 | 256 qam | 28 |
19 | 395000000 | 3.7 | 37 | 256 qam | 29 |
20 | 403000000 | 3.7 | 37 | 256 qam | 30 |
21 | 411000000 | 4 | 37 | 256 qam | 31 |
22 | 419000000 | 4.1 | 37 | 256 qam | 32 |
23 | 427000000 | 4.1 | 37 | 256 qam | 33 |
24 | 435000000 | 4 | 37 | 256 qam | 34 |
Downstream bonded channels
Channel Locked Status RxMER (dB) Pre RS Errors Post RS Errors
1 | Locked | 36.6 | 64 | 0 |
2 | Locked | 36.6 | 59 | 0 |
3 | Locked | 37.6 | 68 | 0 |
4 | Locked | 37.3 | 63 | 0 |
5 | Locked | 37.3 | 50 | 0 |
6 | Locked | 36.6 | 65 | 0 |
7 | Locked | 37.3 | 38 | 0 |
8 | Locked | 37.3 | 33 | 0 |
9 | Locked | 37.6 | 33 | 0 |
10 | Locked | 37.3 | 28 | 0 |
11 | Locked | 37.3 | 61 | 0 |
12 | Locked | 37.3 | 56 | 0 |
13 | Locked | 36.6 | 73 | 0 |
14 | Locked | 35.7 | 101997 | 4142 |
15 | Locked | 34.4 | 8596770 | 5957802 |
16 | Locked | 37.6 | 29 | 0 |
17 | Locked | 37.3 | 55 | 0 |
18 | Locked | 37.3 | 39 | 0 |
19 | Locked | 37.3 | 54 | 0 |
20 | Locked | 37.6 | 52 | 0 |
21 | Locked | 37.3 | 45 | 0 |
22 | Locked | 37.3 | 108 | 0 |
23 | Locked | 37.6 | 62 | 0 |
24 | Locked | 37.6 | 45 | 0 |
Thanks in advance!