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deesto
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1Gig Fibre Hub 4.0 Speed is Appalling, especially uploads

Cable Modem StatusItem Status CommentsChannel Overview Downstream Upstream

Cable Modem Status
Online
DOCSIS 3.1
Primary downstream channel
Locked
SC-QAM
DOCSIS 3.0 channels
31
4
DOCSIS 3.1 channels
1
0

 

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deesto
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Re: 1Gig Fibre Hub 4.0 Speed is Appalling, especially uploads

 

 

3.0 Downstream channelsChannel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID
30402750000-6.09999837.636276QAM25630
11387500000.29999938.983261QAM2561
21467500000.59999840.366287QAM2562
31547500000.70000140.366287QAM2563
41627500000.29999940.366287QAM2564
51707500000.09999840.366287QAM2565
61787500000.00000039.854763QAM2566
7186750000-0.09999840.366287QAM2567
8194750000-0.20000140.366287QAM2568
9202750000-0.29999940.366287QAM2569
10210750000-0.59999840.366287QAM25610
11218750000-0.79999940.366287QAM25611
12226750000-1.29999938.605377QAM25612
13234750000-1.79999938.983261QAM25613
14242750000-2.00000040.366287QAM25614
15250750000-2.20000138.605377QAM25615
16258750000-2.29999938.983261QAM25616
17266750000-2.29999938.983261QAM25617
18274750000-2.50000038.983261QAM25618
19282750000-3.40000238.605377QAM25619
20290750000-3.70000138.983261QAM25620
21298750000-3.90000238.605377QAM25621
22306750000-3.50000038.983261QAM25622
23314750000-3.50000038.983261QAM25623
24322750000-3.90000238.983261QAM25624
25330750000-4.40000238.605377QAM25625
26370750000-6.59999837.636276QAM25626
27378750000-6.09999837.636276QAM25627
28386750000-6.20000137.636276QAM25628
29394750000-6.09999837.355988QAM25629
31410750000-6.29999937.636276QAM25631



3.0 Downstream channelsChannel Lock Status RxMER (dB) Pre RS Errors Post RS Errors
30Locked000
1Locked102566880800
2Locked9123613700
3Locked6082039700
4Locked5931053800
5Locked6069785100
6Locked8961380600
7Locked6071350500
8Locked2138127400
9Locked2153057200
10Locked2176694500
11Locked2173837500
12Locked2115209300
13Locked2017193100
14Locked2113580000
15Locked2141753300
16Locked2099880600
17Locked2098748800
18Locked2138085800
19Locked2126717100
20Locked2120950200
21Locked2141187900
22Locked2122637300
23Locked2007992500
24Locked3564996900
25Locked3555291800
26Locked3538070100
27Locked3543194800
28Locked3569400400
29Locked3576782100
31Locked3680199500



3.1 Downstream channelsChannel Channel Width (MHz) FFT Type Number of Active Subcarriers Modulation (Active Profile) First Active Subcarrier (Hz)
159864K1680QAM1024424


3.1 Downstream channelsChannel ID Lock Status RxMER Data (dB) PLC Power (dBmV) Correcteds (Active Profile) Uncorrectables (Active Profile)
159Locked -5.0611490240

 

 

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deesto
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Re: 1Gig Fibre Hub 4.0 Speed is Appalling, especially uploads

 

3.0 Upstream channels

Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID

15370000045.5205995120 KSym/sec64QAM2
22580000041.2705995120 KSym/sec64QAM6
33260000040.7705995120 KSym/sec32QAM5
43940000041.7705995120 KSym/sec64QAM4



3.0 Upstream channels

Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts

1US_TYPE_STDMA0000
2US_TYPE_STDMA0000
3US_TYPE_STDMA0000
4US_TYPE_STDMA0000

 

 

Network access
true
Maximum Number of CPEs
1
Baseline Privacy
true
DOCSIS Mode
3.1
Config file
;kfoA,.iyewrkldJKDHSUBsgv



Primary Downstream Service Flow

SFID
9212
Max Traffic Rate
1200000450
Max Traffic Burst
42600
Min Traffic Rate
0



Primary Upstream Service Flow

SFID
9208
Max Traffic Rate
55000270
Max Traffic Burst
42600
Min Traffic Rate
0
Max Concatenated Burst
16320
Scheduling Type
bestEffort

 

 

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MikeRobbo
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Alessandro Volta
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Message 4 of 10
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Re: 1Gig Fibre Hub 4.0 Speed is Appalling, especially uploads

Several of your Downstream Power Levels are too low.

This will need an engineer to put right.

You can either call in (08:00 is the best time) or wait on here for a few days (6 to 10 days average) until one of the VM Forum Staff comes along.

If you wait on here Do Not bump the thread it will put it further down the VM 'to do list'.

3.0 Downstream channels Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID

30402750000-6.09999837.636276QAM25630
11387500000.29999938.983261QAM2561
21467500000.59999840.366287QAM2562
31547500000.70000140.366287QAM2563
41627500000.29999940.366287QAM2564
51707500000.09999840.366287QAM2565
61787500000.00000039.854763QAM2566
7186750000-0.09999840.366287QAM2567
8194750000-0.20000140.366287QAM2568
9202750000-0.29999940.366287QAM2569
10210750000-0.59999840.366287QAM25610
11218750000-0.79999940.366287QAM25611
12226750000-1.29999938.605377QAM25612
13234750000-1.79999938.983261QAM25613
14242750000-2.00000040.366287QAM25614
15250750000-2.20000138.605377QAM25615
16258750000-2.29999938.983261QAM25616
17266750000-2.29999938.983261QAM25617
18274750000-2.50000038.983261QAM25618
19282750000-3.40000238.605377QAM25619
20290750000-3.70000138.983261QAM25620
21298750000-3.90000238.605377QAM25621
22306750000-3.50000038.983261QAM25622
23314750000-3.50000038.983261QAM25623
24322750000-3.90000238.983261QAM25624
25330750000-4.40000238.605377QAM25625
26370750000-6.59999837.636276QAM25626
27378750000-6.09999837.636276QAM25627
28386750000-6.20000137.636276QAM25628
29394750000-6.09999837.355988QAM25629
31410750000-6.29999937.636276QAM25631

 


*********************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************
BT Smart Hub 2 with 70Mbs Download,18Mbs Upload, 9.17ms Latency & 0.35ms Jitter.
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deesto
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Re: 1Gig Fibre Hub 4.0 Speed is Appalling, especially uploads

Many Thanks for the update! How about upstream/uploads? 

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Anonymous
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Re: 1Gig Fibre Hub 4.0 Speed is Appalling, especially uploads


@deesto wrote:

Many Thanks for the update! How about upstream/uploads? 


One of the upstream QAM levels is off (All should be 64)

tom11111
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Re: 1Gig Fibre Hub 4.0 Speed is Appalling, especially uploads

@carl_pearce

You told me this is my thread, but the engineer that visited my property disagrees, he says it does not matter if one is 32 

MikeRobbo
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Re: 1Gig Fibre Hub 4.0 Speed is Appalling, especially uploads


@tom11111 wrote:

@carl_pearce

You told me this is my thread, but the engineer that visited my property disagrees, he says it does not matter if one is 32 


Saves them work !!

If it doesn't matter why have them at 64 QAM in the first place ?


*********************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************
BT Smart Hub 2 with 70Mbs Download,18Mbs Upload, 9.17ms Latency & 0.35ms Jitter.
jpeg1
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Re: 1Gig Fibre Hub 4.0 Speed is Appalling, especially uploads

deesto

The serious problem is the wide variation of downstream signal levels.  When that is sorted it will very likely affect the upstream too.

gitty
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Re: 1Gig Fibre Hub 4.0 Speed is Appalling, especially uploads


@tom11111 wrote:

@carl_pearce

You told me this is my thread, but the engineer that visited my property disagrees, he says it does not matter if one is 32 


How it affects you depends on how the noise affects your signal. If the lower modulation means that the codewords get through without being lost then your problem lies elsewhere.

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