What are good signal levels

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Resident Expert
Resident Expert
Posts: 1,058

Re: What are good signal levels


hiho wrote:

 

general sluggish internet

 

internet just dosnt seem to be up to par latly just wondering if maybe time for another tech visit :-)

 

Port ID Frequency (MHz) Modulation Signal strength (dBmV) Channel ID Signal noise ratio (dB)
1 609000000 256QAM -8.300 10 32.321
2 849000000 256QAM -14.400 2 30.154
3 855000000 256QAM -13.500 3 30.824
4 861000000 256QAM -13.000 4 31.136
5 579000000 256QAM -6.500 5 33.063
6 585000000 256QAM -5.500 6 33.487
7 591000000 256QAM -5.500 7 33.487
8 597000000 256QAM -6.600 8 33.377
9 603000000 256QAM -7.100 9 32.963
10 303000000 256QAM -1.600 1 33.487
11 615000000 256QAM -8.800 11 31.915
12 621000000 256QAM -9.200 12 31.404
13 633000000 256QAM -9.500 13 31.335
14 639000000 256QAM -9.200 14 31.689
15 645000000 256QAM -8.900 15 31.994
16 651000000 256QAM -8.400 16 32.237
17 657000000 256QAM -7.700 17 32.963
18 663000000 256QAM -7.500 18 33.487
19 669000000 256QAM -7.300 19 33.487
20 675000000 256QAM -6.800 20 33.957
21 681000000 256QAM -7.100 21 33.834
22 687000000 256QAM -8.200 22 33.063
23 693000000 256QAM -8.800 23 32.963
24 699000000 256QAM -9.700 24 32.585
25 705000000 256QAM -10.100 25 32.321
26 711000000 256QAM -11.200 26 31.335
27 717000000 256QAM -11.700 27 31.136
28 723000000 256QAM -11.900 28 30.885
29 825000000 256QAM -14.500 29 29.620
30 831000000 256QAM -15.000 30 29.269
31 837000000 256QAM -15.200 31 29.441
32 843000000 256QAM -14.600 32 29.807
OFDM Downstream Overview
Receiver FFT type Subcarr 0 Frequency(MHz) PLC locked NCP locked MDC1 locked PLC power(dBmv)
0 NA NA NO NO NO NA
1 4K 290600000 YES YES YES -2.700001
Upstream Overview
Port ID Frequency (MHz) Modulation Signal strength (dBmV) Channel ID Bandwidth
1 30596000 ATDMA - 64QAM 37.250 1 6400000
2 38596000 ATDMA - 64QAM 41.750 3 3200000
3 23700000 ATDMA - 64QAM 35.000 2 6400000
OFDM/OFDMA Overview
Channel Index State lin Digital Att Digital Att BW (sc's*fft) Report Power Report Power1_6 FFT Size
0 DISABLED 0.5000 0.0000 0.0000 -inf -1.0000 4K
1 DISABLED 0.5000 0.0000 0.0000 -inf -1.0000 4K

 

 

@hiho

 

Call Rogers tech support, there is a serious issue with your line. Spec is -10 to +10, and SNR should be around 38-40

 

Ask the tech to check the signal levels, they should fail right away, ask them to check your neighbours incase it's a neighbourhood issue.

 



I Plan to Stick Around
Posts: 231

Re: What are good signal levels

Dang i was afraid of that a few months back i just finished a 1 1/2 yr battle with rogers about bad signal issues that was finally fix something to do starting at the tap and back to somewhere :-) and lately i am starting to see some of the same probs that i had before but i wanted to check here about my sig before laying in the supplies for what maybe the long haul once again with rogers..

Thanks for confirming that there is something wonky going on but who knows maybe its the new fangle coda white modem or something simple like that i hope.

Resident Expert
Resident Expert
Posts: 1,058

Re: What are good signal levels

@hiho


hiho wrote:

Dang i was afraid of that a few months back i just finished a 1 1/2 yr battle with rogers about bad signal issues that was finally fix something to do starting at the tap and back to somewhere :-) and lately i am starting to see some of the same probs that i had before but i wanted to check here about my sig before laying in the supplies for what maybe the long haul once again with rogers..

Thanks for confirming that there is something wonky going on but who knows maybe its the new fangle coda white modem or something simple like that i hope.


 

Call up Rogers, they don't monitor signal levels, so you need to call in so they can check your area. Swapping Modems won't make any change, you need a tech visit to correct the signal levels.

Hopefully they fix the issue fast, 1 1/2 years is a long battle ... lol

 



I've Been Here Awhile
Posts: 3

Re: What are good signal levels

Abnormal downstream power level

 

I just switched to 500u and I'm not impressed.  Did I get a bad modem or I need a tech visit to my apartment?  Thank you.

DOCSIS WAN

This menu displays both upstream and downstream signal parameters

DOCSIS Overview
Network Access Permitted
IP Address  
Subnet Mask  
Gateway IP Address  
DHCP Lease Time  
Downstream Overview
Port ID Frequency (MHz) Modulation Signal strength (dBmV) Channel ID Signal noise ratio (dB)
1 591000000 256QAM 7.800 7 40.366
2 855000000 256QAM 8.300 3 40.366
3 861000000 256QAM 8.400 4 40.366
4 579000000 256QAM 8.000 5 40.366
5 585000000 256QAM 8.000 6 40.366
6 849000000 256QAM 8.200 2 40.366
7 597000000 256QAM 8.200 8 40.366
8 603000000 256QAM 7.900 9 40.946
9 609000000 256QAM 8.400 10 40.946
10 615000000 256QAM 8.100 11 40.366
11 621000000 256QAM 8.800 12 40.946
12 633000000 256QAM 8.800 13 40.366
13 639000000 256QAM 8.600 14 40.366
14 645000000 256QAM 8.700 15 40.946
15 651000000 256QAM 8.800 16 40.946
16 657000000 256QAM 8.800 17 40.946
17 663000000 256QAM 8.600 18 40.366
18 669000000 256QAM 8.700 19 40.366
19 675000000 256QAM 8.500 20 40.946
20 681000000 256QAM 8.500 21 40.366
21 687000000 256QAM 8.500 22 40.366
22 693000000 256QAM 8.400 23 40.366
23 699000000 256QAM 8.400 24 40.946
24 705000000 256QAM 8.100 25 40.366
25 711000000 256QAM 8.300 26 40.366
26 717000000 256QAM 7.700 27 40.366
27 723000000 256QAM 8.000 28 40.366
28 825000000 256QAM 7.600 29 38.983
29 831000000 256QAM 7.800 30 40.366
30 837000000 256QAM 8.000 31 40.366
31 843000000 256QAM 8.100 32 40.366
32 303000000 256QAM 7.800 1 40.366
OFDM Downstream Overview
Receiver FFT type Subcarr 0 Frequency(MHz) PLC locked NCP locked MDC1 locked PLC power(dBmv)
0 4K 275600000 YES YES YES 8.199997
1 NA NA NO NO NO NA
Upstream Overview
Port ID Frequency (MHz) Modulation Signal strength (dBmV) Channel ID Bandwidth
1 38595785 ATDMA - 64QAM 35.750 6 3200000
2 30596000 ATDMA - 64QAM 33.500 4 6400000
3 23700000 ATDMA - 64QAM 33.500 5 6400000
OFDM/OFDMA Overview
Channel Index State lin Digital Att Digital Att BW (sc's*fft) Report Power Report Power1_6 FFT Size
0 DISABLED 0.5000 0.0000 0.0000 -inf -1.0000 4K
1 DISABLED 0.5000 0.0000 0.0000 -inf -1.0000 4K

 

 

***Edited***

 

Removed IP info

Community Specialist
Community Specialist
Posts: 319

Re: What are good signal levels

Hi @fguan,

 

Welcome to the Community Forums, and thanks for your post!  

 

I'm sad to hear you're not too impressed with your recent upgrade, but you've definitely come to the right place for support.  Our Resident Experts @gp-se @Datalink and @Gdkitty have been a wealth of information in this thread, and are awesome in general! Perhaps they can suggest some guidance? 

 

If you'd like us to access your account to take a closer look, please send us a private message at @CommunityHelps next time you're online. Our private messaging system is explained in this blog.

 

RogersShaun

 

I've Been Here Awhile
Posts: 3

Re: What are good signal levels

Thanks Shaun, I PMed my account number to @CommunityHelps for a closer look.  Here is a speed test result shows the drop of the speed happened in the middle of the test.  TiP Measurement Summary:: Min 13.16 Mbps | Middle Avg 116.15 Mbps | Max 184.06 Mbps | 173% Variance.  testmy.net/db/lpbPJkVET

I've Been Here Awhile
Posts: 3

Re: What are good signal levels

Signal test, ping test, and high utilization test all came back fine. What else should I look into? 

 

I still see significant fluctuations in every single speed test and I can feel it when I watch youtube or even browse the web, I sometimes have to refresh the page in order to continue.  

 

My highs can reach 5xx.xx Mbps but the lows in between the peaks are 1x.xx Mbps to 3x.xx.  see http://testmy.net/db/jbCrDmckI

I Plan to Stick Around
Posts: 25

Re: What are good signal levels

How is this looking?

 

Someone tell me if you see issues 

Downstream Overview
Port ID Frequency (MHz) Modulation Signal strength (dBmV) Channel ID Signal noise ratio (dB)
1 597000000 256QAM 2.600 8 40.366
2 579000000 256QAM 2.000 5 40.946
3 585000000 256QAM 2.200 6 40.366
4 591000000 256QAM 2.300 7 40.366
5 303000000 256QAM -0.700 1 38.605
6 603000000 256QAM 2.800 9 40.366
7 609000000 256QAM 2.900 10 40.946
8 615000000 256QAM 2.800 11 40.366
9 621000000 256QAM 2.600 12 40.366
10 633000000 256QAM 2.500 13 40.366
11 639000000 256QAM 2.700 14 40.366
12 645000000 256QAM 2.700 15 40.366
13 651000000 256QAM 3.000 16 40.946
14 657000000 256QAM 3.200 17 40.366
15 663000000 256QAM 3.300 18 40.946
16 669000000 256QAM 3.000 19 40.366
17 675000000 256QAM 3.500 20 40.366
18 681000000 256QAM 3.400 21 40.366
19 687000000 256QAM 3.600 22 40.366
20 693000000 256QAM 3.000 23 40.366
21 699000000 256QAM 3.600 24 40.366
22 705000000 256QAM 3.500 25 40.366
23 711000000 256QAM 4.300 26 40.946
24 717000000 256QAM 4.000 27 40.366
25 723000000 256QAM 4.600 28 39.900
26 825000000 256QAM 2.800 29 39.500
27 831000000 256QAM 2.200 30 39.900
28 837000000 256QAM 2.300 31 39.500
29 843000000 256QAM 1.500 32 39.900
30 849000000 256QAM 2.100 2 39.500
31 855000000 256QAM 2.000 3 39.500
32 861000000 256QAM 2.100 4 39.500
Upstream Overview
Port ID Frequency (MHz) Modulation Signal strength (dBmV) Channel ID Bandwidth
1 23700000 ATDMA - 64QAM 42.500 2 6400000
2 38596000 ATDMA - 64QAM 42.750 3 3200000
3 30596000 ATDMA - 64QAM 42.750 1 6400000

Resident Expert
Resident Expert
Posts: 13,671

Re: What are good signal levels

That generally looks pretty good, should be no issues.

(only weird anomaly is #5, which for some reason is a neg signal when all the rest are positive in that range)

 

Which modem is that?  It should have the other listings as signal as well?
The OFDM.




I Plan to Stick Around
Posts: 25

Re: What are good signal levels

CGNM modem hitron 

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