Dada93
2 years agoOn our wavelength
Power Levels high side
Hi good people of the forum!
I had a nightmare experience with VM last year, but got it installed again this year and it seems to be all solved.
They replaced an isolator and removed what they call “sausage skin” from a few stingers that was causing thousands of post rs errors and dropouts (hours per day).
Solved now, but I can see my power levels are a touch high and going over the VM recommended of 10db.
Can someone arrange to have this sorted? Or even tell me what attenuator I need (if so) to do it myself?
Cheers!
3.0 Downstream channels
Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID
1 | 331000000 | 6.2 | 41 | QAM 256 | 25 |
2 | 139000000 | 10.7 | 41 | QAM 256 | 1 |
3 | 147000000 | 10.4 | 41 | QAM 256 | 2 |
4 | 155000000 | 10.1 | 41 | QAM 256 | 3 |
5 | 163000000 | 9.7 | 41 | QAM 256 | 4 |
6 | 171000000 | 9.5 | 41 | QAM 256 | 5 |
7 | 179000000 | 9.4 | 42 | QAM 256 | 6 |
8 | 187000000 | 9.2 | 41 | QAM 256 | 7 |
9 | 195000000 | 9 | 41 | QAM 256 | 8 |
10 | 203000000 | 8.8 | 41 | QAM 256 | 9 |
11 | 211000000 | 9 | 41 | QAM 256 | 10 |
12 | 219000000 | 8.8 | 41 | QAM 256 | 11 |
13 | 227000000 | 8.5 | 42 | QAM 256 | 12 |
14 | 235000000 | 8.3 | 41 | QAM 256 | 13 |
15 | 243000000 | 7.6 | 41 | QAM 256 | 14 |
16 | 251000000 | 7.3 | 41 | QAM 256 | 15 |
17 | 259000000 | 7.3 | 41 | QAM 256 | 16 |
18 | 267000000 | 7.4 | 42 | QAM 256 | 17 |
19 | 275000000 | 7.4 | 41 | QAM 256 | 18 |
20 | 283000000 | 7.3 | 41 | QAM 256 | 19 |
21 | 291000000 | 7.3 | 41 | QAM 256 | 20 |
22 | 299000000 | 7.1 | 41 | QAM 256 | 21 |
23 | 307000000 | 6.9 | 41 | QAM 256 | 22 |
24 | 315000000 | 6.7 | 42 | QAM 256 | 23 |
25 | 323000000 | 6.4 | 41 | QAM 256 | 24 |
26 | 339000000 | 6 | 41 | QAM 256 | 26 |
27 | 347000000 | 6 | 42 | QAM 256 | 27 |
28 | 355000000 | 5.9 | 42 | QAM 256 | 28 |
29 | 363000000 | 5.7 | 42 | QAM 256 | 29 |
30 | 371000000 | 5.7 | 42 | QAM 256 | 30 |
31 | 379000000 | 5.6 | 42 | QAM 256 | 31 |
3.0 Downstream channels
Channel Locked Status RxMER (dB) Pre RS Errors Post RS Errors
1 | Locked | 41 | 1 | 0 |
2 | Locked | 41 | 0 | 0 |
3 | Locked | 41 | 0 | 0 |
4 | Locked | 41 | 0 | 0 |
5 | Locked | 41 | 0 | 0 |
6 | Locked | 41 | 0 | 0 |
7 | Locked | 42 | 0 | 0 |
8 | Locked | 41 | 0 | 0 |
9 | Locked | 41 | 0 | 0 |
10 | Locked | 41 | 0 | 0 |
11 | Locked | 41 | 0 | 0 |
12 | Locked | 41 | 0 | 0 |
13 | Locked | 42 | 0 | 0 |
14 | Locked | 41 | 0 | 0 |
15 | Locked | 41 | 0 | 0 |
16 | Locked | 41 | 0 | 0 |
17 | Locked | 41 | 0 | 0 |
18 | Locked | 42 | 0 | 0 |
19 | Locked | 41 | 0 | 0 |
20 | Locked | 41 | 0 | 0 |
21 | Locked | 41 | 0 | 0 |
22 | Locked | 41 | 1 | 0 |
23 | Locked | 41 | 0 | 0 |
24 | Locked | 42 | 0 | 0 |
25 | Locked | 41 | 2 | 0 |
26 | Locked | 41 | 1 | 0 |
27 | Locked | 42 | 1 | 0 |
28 | Locked | 42 | 0 | 0 |
29 | Locked | 42 | 4 | 0 |
30 | Locked | 42 | 3 | 0 |
31 | Locked | 42 | 2 | 0 |
3.1 Downstream channels
Channel Channel Width (MHz) FFT Type Number of Active Subcarriers Modulation (Active Profile) First Active Subcarrier (Hz)
37 | 94 | 4K | 1840 | QAM 4096 | 1108 |
3.1 Downstream channels
Channel ID Locked Status RxMER Data (dB) PLC Power (dBmV) Corrected errors (Active Profile) Uncorrectable errors (Active Profile)
37 | Locked | 42 | 4.6 | 56926119 | 0 |