What are good signal levels

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User1030445
I Plan to Stick Around
Posts: 37

Re: What are good signal levels

 

 Thanks, hadn't noticed I had grabbed the IP address when I posted the previous.  Amended.

 

 Regarding the temp wire,  yes to place a wire would require such a long run that the loss is too great,  it was tried once already in the past.   I discussed that with the tech yesterday and again with the new tech today,  back in 2016 a tech ran one then ended up removing it because it created more problems than it solved.   I didn't see the stats on the internet at that  time but immediately our cable dropped channels and had lots of pixelation,  we were better off with the cable in the ground.  

 

 The stats look good so far on this setup , no drops in 6 hours, no warnings on the stats.   I did a packet loss test here the results below, I blanked out some info the first hop etc.  which might identify my modem, there were some hops that I couldn't capture off this screen but I believe the first few is all that matters regarding the local network.  I have been running 610mbps with speed tests this afternoon on wireless ,  I have a 500mbps package.   Thanks for your assistance.

 

 Ping1.JPG

Alex4161
I'm a Reliable Contributor
Posts: 404

Re: What are good signal levels

Are my signal levels OK?

I have been noticing that I keep losing my OFDM Downstream connection after a day or so and need to power cycle the modem to get it connected.  Here are my signal levels.  Are they OK and what is considered good or bad:

 

Downstream Overview
Port ID Frequency (MHz) Modulation Signal strength (dBmV) Channel ID Signal noise ratio (dB)
1 609000000 256QAM -0.700 10 37.636
2 591000000 256QAM 1.800 7 38.983
3 597000000 256QAM 1.300 8 38.983
4 849000000 256QAM -3.900 2 37.636
5 855000000 256QAM -4.400 3 37.356
6 861000000 256QAM -4.800 4 36.610
7 579000000 256QAM 0.900 5 37.356
8 585000000 256QAM 1.500 6 38.605
9 603000000 256QAM 0.500 9 38.605
10 279000000 256QAM 4.300 1 38.983
11 615000000 256QAM -1.400 11 37.636
12 621000000 256QAM -1.900 12 37.636
13 633000000 256QAM -1.700 13 37.636
14 639000000 256QAM -1.600 14 37.356
15 645000000 256QAM -1.000 15 38.605
16 651000000 256QAM -0.100 16 38.605
17 657000000 256QAM 0.800 17 38.605
18 663000000 256QAM 1.700 18 38.605
19 669000000 256QAM 2.200 19 38.983
20 675000000 256QAM 2.600 20 38.605
21 681000000 256QAM 2.400 21 38.605
22 687000000 256QAM 1.500 22 38.983
23 693000000 256QAM 0.800 23 38.605
24 699000000 256QAM 0.100 24 38.605
25 705000000 256QAM -1.100 25 38.605
26 711000000 256QAM -1.500 26 38.605
27 717000000 256QAM -1.300 27 38.605
28 723000000 256QAM -1.000 28 38.605
29 825000000 256QAM -3.000 29 37.356
30 831000000 256QAM -3.000 30 37.356
31 837000000 256QAM -3.300 31 37.636
32 843000000 256QAM -3.800 32 37.356
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 275600000 YES YES YES 3.000000
Upstream Overview
Port ID Frequency (MHz) Modulation Signal strength (dBmV) Channel ID Bandwidth
1 38596000 ATDMA - 64QAM 33.250 3 3200000
2 30596000 ATDMA - 64QAM 30.500 1 6400000
3 23700000 ATDMA - 64QAM 29.250 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
Alex4161
I'm a Reliable Contributor
Posts: 404

Re: What are good signal levels

I was looking at the signal levels and the upstream might be off given there is an 8 Db pad on the line.  Removing it puts the signal at around 30 dBmV

 

Downstream Overview
Port ID Frequency (MHz) Modulation Signal strength (dBmV) Channel ID Signal noise ratio (dB)
1 693000000 256QAM 1.900 23 38.983
2 579000000 256QAM 2.600 5 38.605
3 585000000 256QAM 3.000 6 38.983
4 591000000 256QAM 2.900 7 38.983
5 597000000 256QAM 2.500 8 38.983
6 603000000 256QAM 1.200 9 38.605
7 609000000 256QAM 0.200 10 38.605
8 615000000 256QAM -0.600 11 38.605
9 621000000 256QAM -1.000 12 37.636
10 633000000 256QAM -0.800 13 37.356
11 639000000 256QAM -0.300 14 37.636
12 645000000 256QAM 0.300 15 38.605
13 651000000 256QAM 1.000 16 38.983
14 657000000 256QAM 1.900 17 38.605
15 663000000 256QAM 2.700 18 38.605
16 669000000 256QAM 3.200 19 38.983
17 675000000 256QAM 3.500 20 40.366
18 681000000 256QAM 3.400 21 40.366
19 687000000 256QAM 2.700 22 38.983
20 279000000 256QAM 4.700 1 40.366
21 699000000 256QAM 1.200 24 38.983
22 705000000 256QAM 0.400 25 38.605
23 711000000 256QAM 0.200 26 38.605
24 717000000 256QAM 0.600 27 38.605
Upstream Overview
Port ID Frequency (MHz) Modulation Signal strength (dBmV) Channel ID Bandwidth
1 38700000 ATDMA - 64QAM 36.000 4 6400000
2 21100000 ATDMA - 64QAM 36.000 1 3200000
3 32300000 ATDMA - 64QAM 36.250 3 6400000
4 25900000 ATDMA - 64QAM 36.000 2 6400000
RogersAndy
Moderator
Moderator
Posts: 560

Re: What are good signal levels

Hey @Alex4161!

 

Can you confirm for us if you're experiencing any issues with your service?

 

The levels of your downstream and upstream are in spec though it doesn't look like all your downstream channels are showing/shown in your provided data. I recommend reviewing the troubleshooting details in our knowledge base here for more information.

 

@RogersAndy

inker
I Plan to Stick Around
Posts: 26

Re: What are good signal levels

I get e-mail messages about replies in this thread. It has been a couple years since I posted... I have since learned what my issues were.... Now I can't reflect on my exact post on my problems but the answer to the last few I had was the same. 

 

1st.. I had brutal ping and latency.. Half of it was the server I was gaming on but the quick drops from games and high ping was result of poor wire across my lawn. Once temps hit -6 I can expect interruptions. This recovers once it warms up. My line across my grass is shallow, so shallow I fear hitting it with a scuff from the lawn mower. It's amazing what poorly buried line can be effected by the cold temps. Right on cue .. -6 can't game online.  Quick answer to my issue. a new line.

 

Alex4161
I'm a Reliable Contributor
Posts: 404

Re: What are good signal levels

I updated the info as I switched modems to the XB6 and the levels I have are listed below.  What I do get time to time is some delays when switching channels on Ignite TV.

 

Download Version:Prod_19.3_d31 & Prod_19.3

 

Downstream

Channel Bonding Value
Index

7

1

2

3

4

5

6

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

Lock Status

Locked

Locked

Locked

Locked

Locked

Locked

Locked

Locked

Locked

Locked

Locked

Locked

Locked

Locked

Locked

Locked

Locked

Locked

Locked

Locked

Locked

Locked

Locked

Locked

Locked

Locked

Locked

Locked

Locked

Locked

Locked

Locked

Locked

Frequency

591 MHz

279 MHz

849 MHz

855 MHz

861 MHz

579 MHz

585 MHz

597 MHz

603 MHz

609 MHz

615 MHz

621 MHz

633 MHz

639 MHz

645 MHz

651 MHz

657 MHz

663 MHz

669 MHz

675 MHz

681 MHz

687 MHz

693 MHz

699 MHz

705 MHz

711 MHz

717 MHz

723 MHz

825 MHz

831 MHz

837 MHz

843 MHz

3.5E+08

SNR

40.6 dB

40.6 dB

38.4 dB

38.1 dB

37.8 dB

40.5 dB

40.5 dB

40.4 dB

40.1 dB

39.9 dB

39.6 dB

39.6 dB

39.5 dB

39.7 dB

40.0 dB

40.3 dB

40.6 dB

40.8 dB

40.9 dB

40.8 dB

40.8 dB

40.6 dB

40.4 dB

40.4 dB

39.9 dB

39.9 dB

40.1 dB

40.3 dB

38.9 dB

39.0 dB

38.8 dB

38.3 dB

NA

Power Level

0.7 dBmV

2.3 dBmV

-3.5 dBmV

-3.7 dBmV

-4.3 dBmV

0.3 dBmV

0.4 dBmV

0.4 dBmV

0.7 dBmV

-1.8 dBmV

-2.6 dBmV

-2.9 dBmV

-2.7 dBmV

-2.2 dBmV

-1.6 dBmV

0.7 dBmV

0.1 dBmV

0.9 dBmV

1.4 dBmV

1.7 dBmV

1.6 dBmV

1.0 dBmV

0.1 dBmV

0.6 dBmV

-1.4 dBmV

-1.8 dBmV

-1.4 dBmV

0.5 dBmV

-2.4 dBmV

-2.2 dBmV

-2.6 dBmV

-3.4 dBmV

NA

Modulation

256 QAM

256 QAM

256 QAM

256 QAM

256 QAM

256 QAM

256 QAM

256 QAM

256 QAM

256 QAM

256 QAM

256 QAM

256 QAM

256 QAM

256 QAM

256 QAM

256 QAM

256 QAM

256 QAM

256 QAM

256 QAM

256 QAM

256 QAM

256 QAM

256 QAM

256 QAM

256 QAM

256 QAM

256 QAM

256 QAM

256 QAM

256 QAM

OFDM

                                  
                                  

Upstream

Channel Bonding Value                            
Index

1

2

3

4

                             
Lock Status

Locked

Locked

Locked

Locked

                             
Frequency

21 MHz

25 MHz

32 MHz

38 MHz

                             
Symbol Rate

2560

5120

5120

5120

                             
Power Level

36.5 dBmV

38.0 dBmV

38.3 dBmV

37.8 dBmV

                             
Modulation

QAM

QAM

QAM

QAM

                             
Channel Type

TDMA_AND_ATDMA

ATDMA

ATDMA

ATDMA