Internet issues.
 

Recently I have noticed that my internet keeps going off and I have to restart my superhub for it to come back. Sometimes the blue light is flashing on my superhub even and I still can't get any connection to the internet.

I am getting errors such as

SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing

SYNC Timing Synchronization failure - Failed to receive MAC SYNC frame within time-out period

MDD message timeout;CM-MAC



my downstream levels are :


Downstream
DS-1 DS-2 DS-3 DS-4 DS-5 DS-6 DS-7 DS-8
Frequency (Hz) 274750000 Hz 266750000 Hz 282750000 Hz 290750000 Hz 298750000 Hz 306750000 Hz 314750000 Hz 322750000 Hz
Lock Status(QAM Lock/FEC Sync/MPEG Lock) Locked Locked Locked Locked Locked Locked Locked Locked
Channel ID 18 17 19 20 21 22 23 24
Modulation QAM256 QAM256 QAM256 QAM256 QAM256 QAM256 QAM256 QAM256
Symbol Rate (Msym/sec) 6.952000 6.952000 6.952000 6.952000 6.952000 6.952000 6.952000 6.952000
Interleave Depth I=12
J=17 I=12
J=17 I=12
J=17 I=12
J=17 I=12
J=17 I=12
J=17 I=12
J=17 I=12
J=17
Power Level (dBmV) -7.7 dBmV -7.5 dBmV -8.0 dBmV -8.4 dBmV -7.1 dBmV -7.1 dBmV -7.3 dBmV -7.6 dBmV
RxMER (dB) 38.2 dB 38.3 dB 38.2 dB 37.8 dB 37.8 dB 38.2 dB 37.9 dB 37.9 dB



Upstream is:

Upstream
US-1 US-2 US-3 US-4
Channel Type 2.0 2.0 2.0 2.0
Channel ID 1 2 3 4
Frequency (Hz) 46200000 Hz 39400000 Hz 32600000 Hz 25800000 Hz
Ranging Status Success Success Success Success
Modulation QAM16 QAM16 QAM16 QAM16
Symbol Rate (Sym/sec) 5120000 5120000 5120000 5120000
Mini-Slot Size 64 64 64 64
Power Level (dBmV) 38.3 dBmV 37.8 dBmV 37.3 dBmV 37.8 dBmV
T1 Timeouts 0 0 0 0
T2 Timeouts 0 0 0 0
T3 Timeouts 0 0 0 0
T4 Timeouts 0 0 0 0


This is still a Superhub 1 if that helps.

Re: Internet issues.
 

Also noticed that my SH has a "forward path" 15DB attenuator on it

Re: Internet issues.
 

Your signal is too low, you should take the FPA off

Re: Internet issues.
 

Is it normal for my internet to still be more or less stable with these downstream levels though? I check my logs every day now and typically I only have two sync errors every morning at 9:55 and apart from that the internet seems to be stable even though the DS levels are getting worse.

Like right now these are my levels and my internet is working fine with max dl/upload speeds and no packet loss.



Downstream
DS-1 DS-2 DS-3 DS-4 DS-5 DS-6 DS-7 DS-8
Frequency (Hz) 274750000 Hz 266750000 Hz 282750000 Hz 290750000 Hz 298750000 Hz 306750000 Hz 314750000 Hz 322750000 Hz
Lock Status(QAM Lock/FEC Sync/MPEG Lock) Locked Locked Locked Locked Locked Locked Locked Locked
Channel ID 18 17 19 20 21 22 23 24
Modulation QAM256 QAM256 QAM256 QAM256 QAM256 QAM256 QAM256 QAM256
Symbol Rate (Msym/sec) 6.952000 6.952000 6.952000 6.952000 6.952000 6.952000 6.952000 6.952000
Interleave Depth I=12
J=17 I=12
J=17 I=12
J=17 I=12
J=17 I=12
J=17 I=12
J=17 I=12
J=17 I=12
J=17
Power Level (dBmV) -8.0 dBmV -7.8 dBmV -8.5 dBmV -8.9 dBmV -7.5 dBmV -7.5 dBmV -7.7 dBmV -8.0 dBmV
RxMER (dB) 38.2 dB 38.2 dB 37.9 dB 37.7 dB 37.8 dB 37.9 dB 37.9 dB 37.5 dB

---------- Post added at 15:46 ---------- Previous post was at 15:04 ----------

Either way a technician is coming tomorrow. guessing all he will do is remove the 15DB attuenator and place something like a 6db one

Re: Internet issues.
 

I imagine you will get a sh3 and no attenuator

Re: Internet issues.
 

If they offer a SH3 just going to tell them I don't want one, have held off them for a long time due to the issues they have with games

Re: Internet issues.
 

Why bother with the visit then? Just take the fpa off

Re: Internet issues.
 

Because its a 15db and it would take my Power levels to the high side of 8-9 no?

Would rather get a free 6db and get my levels closer to 0. He can also check for other faults whilst here.

Re: Internet issues.
 

Seems that my SH1 was also having major issues so a SH3 was needed in the end, got one on the new firmware and can't tell any differences in gaming so far.

here are my downstream levels now:


Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID
1 298750000 5.5 36 256 qam 21
2 322750000 5.9 36 256 qam 24
3 314750000 6 36 256 qam 23
4 306750000 6 36 256 qam 22
5 290750000 5 36 256 qam 20
6 282750000 5.3 36 256 qam 19
7 274750000 5.5 36 256 qam 18
8 266750000 5.6 36 256 qam 17
9 258750000 5.3 36 256 qam 16
10 250750000 5.3 36 256 qam 15
11 242750000 5.5 36 256 qam 14
12 234750000 5.8 36 256 qam 13
13 226750000 5.9 36 256 qam 12
14 218750000 6 36 256 qam 11
15 210750000 6 36 256 qam 10
16 202750000 6 36 256 qam 9
17 194750000 5.9 35 256 qam 8
18 186750000 5.9 35 256 qam 7
19 178750000 6 35 256 qam 6
20 170750000 6 35 256 qam 5
21 162750000 5.5 35 256 qam 4
22 154750000 5.5 34 256 qam 3
23 146750000 5.1 34 256 qam 2
24 138750000 5 34 256 qam 1


is it worth installing this 6db forward path attuenator i have?

how easy are they to install as well

Re: Internet issues.
 

Techs get measured on swapping sh1s out so I'm not surprised the tech said it was having "issues" :)

No attenuator needed

Re: Internet issues.
 

It was already having issues before with powering on and off and dropping Wifi randomly, it would also always reset my settings when it turned off so it was better I guess.

I guess I should just put this 6db attuenator away than, would make no difference to put it on at all?

Re: Internet issues.
 

It would make your DS power ideal but I suspect that it wouldn't resolve the issues that you're experiencing. Seeing as you have it, it's worth fitting. If you fit it don't over-tighten the cable fixings.

Re: Internet issues.
 

I would go with whatever @jb66 advises, after all that is his job ( I hope he still works there). I would LMAO if you reside in his area and he was the one to come out and just do what he has recommended.

Re: Internet issues.
 

Mmhk,I don't really have any issues other than my DS levels getting higher. Right now some Channels are nearing 9.



Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID
1 298750000 7 38 256 qam 21
2 322750000 7 38 256 qam 24
3 314750000 7.1 38 256 qam 23
4 306750000 7.4 38 256 qam 22
5 290750000 6.5 38 256 qam 20
6 282750000 6.9 38 256 qam 19
7 274750000 7 38 256 qam 18
8 266750000 7.3 38 256 qam 17
9 258750000 7 38 256 qam 16
10 250750000 7.3 38 256 qam 15
11 242750000 7.5 38 256 qam 14
12 234750000 8 38 256 qam 13
13 226750000 8 38 256 qam 12
14 218750000 8.1 38 256 qam 11
15 210750000 8.4 38 256 qam 10
16 202750000 8.5 40 256 qam 9
17 194750000 8.5 38 256 qam 8
18 186750000 8.5 38 256 qam 7
19 178750000 8.8 38 256 qam 6
20 170750000 8.8 38 256 qam 5
21 162750000 8.5 38 256 qam 4
22 154750000 8.5 38 256 qam 3
23 146750000 8.3 38 256 qam 2
24 138750000 8.4 38 256 qam 1


Is it as easy as just taking the Coax cable out of my SH3, putting that in one end of the Attuenator than the Attuenator into my SH3

Re: Internet issues.
 

Yes it is.