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Just activated Gig1 - Can someone check my stats please?

razorhazor
On our wavelength

Hi All, just plugged the Hub4 in, how do the stats look? is the Power OK? I have 2 attenuators plugged in so not sure if I need them.

 

3.0 Downstream channels

Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID

12450250000-5.734.9QAM25612
10434250000-5.735.1QAM25610
11442250000-5.934.9QAM25611
13458250000-6.134.9QAM25613
14466250000-5.834.9QAM25614
15474250000-6.134.9QAM25615
16482250000-6.134.9QAM25616
17490250000-6.435.1QAM25617
18498250000-6.534.9QAM25618
19506250000-7.135.1QAM25619
20514250000-7.134.6QAM25620
21522250000-734.9QAM25621
22530250000-6.835.1QAM25622
23538250000-6.834.9QAM25623
24546250000-6.835.1QAM25624
25554250000-734.5QAM25625
26562250000-734.9QAM25626
27570250000-7.234.9QAM25627
28578250000-7.334.3QAM25628
29586250000-7.734.3QAM25629
30594250000-7.234.3QAM25630
31602250000-7.134.3QAM25631
32610250000-734.8QAM25632
33618250000-7.135.1QAM25633
34626250000-7.734.3QAM25634
35634250000-834.3QAM25635
36658250000-834.9QAM25636
37666250000-834.5QAM25637
38674250000-8.134.5QAM25638
39682250000-8.234.9QAM25639
40690250000-8.134.9QAM25640



3.0 Downstream channels

Channel Lock Status RxMER (dB) Pre RS Errors Post RS Errors

12Locked34.92561010
10Locked35.08354930
11Locked34.92561040
13Locked34.92561040
14Locked34.92561020
15Locked34.92561010
16Locked34.92561050
17Locked35.08354990
18Locked34.925610320
19Locked35.083549550
20Locked34.625977650
21Locked34.925610990
22Locked35.083549900
23Locked34.9256101570
24Locked35.0835492080
25Locked34.4835702820
26Locked34.9256103070
27Locked34.9256103850
28Locked34.3456887670
29Locked34.34568812280
30Locked34.3456887720
31Locked34.3456884710
32Locked34.7732092440
33Locked35.0835491060
34Locked34.3456881170
35Locked34.345688950
36Locked34.925610100
37Locked34.48357060
38Locked34.483570130
39Locked34.92561070
40Locked34.92561090



3.1 Downstream channelsChannel Channel Width (MHz) FFT Type Number of Active Subcarriers Modulation (Active Profile) First Active Subcarrier (Hz)
41964K1880QAM4096728


3.1 Downstream channelsChannel ID Lock Status RxMER Data (dB) PLC Power (dBmV) Correcteds (Active Profile) Uncorrectables (Active Profile)
41Locked36-8.566526438352508
16 REPLIES 16

legacy1
Alessandro Volta

@razorhazor wrote:

I have 2 attenuators plugged in so not sure if I need them.

 

You likely don't need them depending on what they are but I'm guessing remove both.

 

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Richw1982
Rising star

Hi, what value attenuators have you got on there, also what are your upstream levels?  Forward levels should be between -6 and +10 ideally around 0/+2.  Return levels 33-51 ideally around 45

I work for VMO2 but all opinions are my own and are based on my own experiences

thats what I thought. Should I be aiming for a power of between -5 and 10?

Thanks. They're both 10db.


@razorhazor wrote:
Thanks. They're both 10db.

That one hot potato🥔 yes you can remove one.

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thanks legacy1! better? (removed one) or is the potatoe still hot?!

3.0 Downstream channels

Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID

124502500003.935.6QAM25612
104342500003.935.6QAM25610
114422500003.735.8QAM25611
134582500003.435.6QAM25613
144662500003.735.6QAM25614
154742500003.435.6QAM25615
164822500003.435.6QAM25616
174902500003.135.6QAM25617
18498250000335.6QAM25618
195062500002.535.6QAM25619
205142500002.535.6QAM25620
215222500002.735.8QAM25621
225302500002.735.6QAM25622
235382500002.835.6QAM25623
245462500002.735.6QAM25624
255542500002.735.6QAM25625
265622500002.635.6QAM25626
275702500002.535.6QAM25627
285782500002.435.1QAM25628
29586250000234.9QAM25629
305942500002.535.1QAM25630
316022500002.735.6QAM25631
326102500002.835.6QAM25632
336182500002.735.6QAM25633
34626250000235.1QAM25634
356342500001.635.1QAM25635
366582500001.735.6QAM25636
376662500001.835.6QAM25637
386742500001.635.6QAM25638
396822500001.735.8QAM25639
406902500001.735.8QAM25640



3.0 Downstream channels

Channel Lock Status RxMER (dB) Pre RS Errors Post RS Errors

12Locked35.595078104185
10Locked35.595078144554
11Locked35.77991154856
13Locked35.595078104363
14Locked35.59507884156
15Locked35.59507874143
16Locked35.59507854537
17Locked35.595078428358
18Locked35.59507823142728
19Locked35.59507820062642
20Locked35.595078277420
21Locked35.779911162953
22Locked35.59507843017
23Locked35.59507833151
24Locked35.59507883101
25Locked35.595078183124
26Locked35.59507892935
27Locked35.59507883193
28Locked35.083549103152
29Locked34.925610433465
30Locked35.083549173473
31Locked35.595078103144
32Locked35.59507814191288
33Locked35.595078113656
34Locked35.083549163803
35Locked35.083549183805
36Locked35.59507853748
37Locked35.59507813901555
38Locked35.59507853824
39Locked35.779911103893
40Locked35.779911361226



3.1 Downstream channelsChannel Channel Width (MHz) FFT Type Number of Active Subcarriers Modulation (Active Profile) First Active Subcarrier (Hz)
41964K1880QAM4096728


3.1 Downstream channelsChannel ID Lock Status RxMER Data (dB) PLC Power (dBmV) Correcteds (Active Profile) Uncorrectables (Active Profile)
41Locked371.38969450

Looks better but SNR could be better but may be fine.

You can setup a BQM to see if you get packet loss
https://www.thinkbroadband.com/broadband/monitoring/quality
---------------------------------------------------------------

thanks for that, is this now too far? (no Attenuators plugged in)

3.0 Downstream channels
Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID
12 450250000 14.699997 35.595078 QAM256 12
10 434250000 13.800003 35.779911 QAM256 10
11 442250000 14.099998 35.595078 QAM256 11
13 458250000 13.800003 35.595078 QAM256 13
14 466250000 13.500000 35.779911 QAM256 14
15 474250000 13.199997 35.779911 QAM256 15
16 482250000 13.699997 35.779911 QAM256 16
17 490250000 13.300003 35.779911 QAM256 17
18 498250000 12.800003 35.595078 QAM256 18
19 506250000 12.400002 35.595078 QAM256 19
20 514250000 12.800003 35.595078 QAM256 20
21 522250000 13.300003 35.595078 QAM256 21
22 530250000 12.900002 35.779911 QAM256 22
23 538250000 12.400002 35.595078 QAM256 23
24 546250000 12.500000 35.595078 QAM256 24
25 554250000 12.699997 35.595078 QAM256 25
26 562250000 12.500000 35.595078 QAM256 26
27 570250000 12.199997 35.595078 QAM256 27
28 578250000 11.900002 35.595078 QAM256 28
29 586250000 11.800003 35.083549 QAM256 29
30 594250000 12.900002 35.083549 QAM256 30
31 602250000 13.099998 35.595078 QAM256 31
32 610250000 12.599998 35.595078 QAM256 32
33 618250000 12.500000 35.779911 QAM256 33
34 626250000 12.099998 35.595078 QAM256 34
35 634250000 11.900002 35.083549 QAM256 35
36 658250000 11.599998 35.595078 QAM256 36
37 666250000 12.599998 35.779911 QAM256 37
38 674250000 12.500000 35.779911 QAM256 38
39 682250000 11.900002 35.595078 QAM256 39
40 690250000 11.699997 35.779911 QAM256 40


3.0 Downstream channels
Channel Lock Status RxMER (dB) Pre RS Errors Post RS Errors
12 Locked 35.595078 144 5315
10 Locked 35.779911 69 5597
11 Locked 35.595078 103 5841
13 Locked 35.595078 126 6289
14 Locked 35.779911 105 6435
15 Locked 35.779911 129 6780
16 Locked 35.779911 194 7720
17 Locked 35.779911 198 7925
18 Locked 35.595078 204 6603
19 Locked 35.595078 142 8676
20 Locked 35.595078 173 6745
21 Locked 35.595078 106 8149
22 Locked 35.779911 125 7037
23 Locked 35.595078 116 7114
24 Locked 35.595078 127 7148
25 Locked 35.595078 132 7370
26 Locked 35.595078 146 7105
27 Locked 35.595078 116 7537
28 Locked 35.595078 68 7515
29 Locked 35.083549 25 6218
30 Locked 35.083549 33 6399
31 Locked 35.595078 13 7009
32 Locked 35.595078 6 6966
33 Locked 35.779911 3 6916
34 Locked 35.595078 11 6914
35 Locked 35.083549 3 6862
36 Locked 35.595078 4022 8384
37 Locked 35.779911 3910 8357
38 Locked 35.779911 3582 8716
39 Locked 35.595078 1260 7517
40 Locked 35.779911 416 6790


3.1 Downstream channels
Channel Channel Width (MHz) FFT Type Number of Active Subcarriers Modulation (Active Profile) First Active Subcarrier (Hz)
41 96 4K 1880 QAM4096 728


3.1 Downstream channels
Channel ID Lock Status RxMER Data (dB) PLC Power (dBmV) Correcteds (Active Profile) Uncorrectables (Active Profile)
41 Locked 37 12.0 91784 0

The hub could handle that high power but VM aims for under 10dBmV
are both attenuators listed as forward path?

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