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What are good signal levels

s1lva166
I Plan to Stick Around

Hi everyone!

 

I'm currently on the Hybrid Fibre 150 package and I'm using the Hitron CGN3ROG modem/router. I was wondering what are good downstream and upstream signal ratios? If someone could provide a range that would be great. I'm also wondering what were the best signals you have seen coming from the router? Here is a screen shot of my current signals:

 

Downstream:
http://snag.gy/lVf3P.jpg

 

Upstream:

http://snag.gy/UOm2F.jpg

 

Thanks!

 

 

***edited labels***

186 REPLIES 186

Re: What are good signal levels

Ok, learn something new all the time.  But, that doesn't change the problem that the OFDM channel isn't running.  There's still an issue with signal levels, noise or both in the lower 500 Mhz band. 



Re: What are good signal levels

toolcubed
I'm a Senior Contributor
Just wanted to add to RyzenFX’s post about the bug with the SNR levels. I experience those too whenever there’s a cable outage in the area due to work being done by Rogers. The modem goes from showing 37-38db SNR to mid 20s. Rebooting the modem increases them back up to 37-38. I wonder if it’ll be addressed in a future firmware update?

Re: What are good signal levels

FaithPlusOne
I've Been Here Awhile

I was just recently upgraded to Ignite IPTV with 500 gb internet and x2 tv boxes. I previously had two cable boxes, modems for internet and telephone.

 

Here's my wiring situation.

 

From tap to my Ignite modem I have 1 feet of RG-11 connected to a ground tap and then a 20 feet RG-11 run with a 7 db attenuator at the end connected to the Ignite hub.

 

I'm now seeing an average signal level of +7.8 db with an average 40.6 db return as the splitters no longer act to attenuate the signal by - 3.5 db or - 7 db.  I tossed aside so much RG-6 cable that is now seemingly obsolete.  I am using RG-11 because my cat chewed through the old RG-6 shielding (or I might have damaged it with the spike strips on my speaker stands).  Going this way made my old equipment work better, as I also have speaker wire laid along the baseboards.

 

Is this too high?  Should I ask for a tech to swap the 7 for a 10 db attenuator? Not experiencing any trouble now, as I think I fixed an issue with placement of the modem in relation to the power bank for the computer equipment I run and the a/v on the tvs seem to work well now that I am only 1 foot from the router.  

 

Re: What are good signal levels

RogersAndy
Retired Moderator
Retired Moderator

Hey @FaithPlusOne,

 

I'm glad to hear the service is working :). Signal wise this appears a-ok, as long as the upstream channels are between -10 to 10 and the downstream channels aren't above 51 (for this time of year) or below 35 you're good to go. 

 

RogersAndy

Re: What are good signal levels

Hello i'm wondering if these are good ? My name is Dustin, I pay for the net. Just on the main users account with Permission Of course 

 

i notice the Xbox One wired wont go over 270Mbps down not sure if that's Microsoft or limited by read white HDD speeds.  some speed tests i also notice it freezes up some times then just goes.  Oklaa speed test seems to be showing good speeds. I'm just curious how our stats are ? Also my CODA-4582U firmware seems to be outa date from 2017 how do i up that to the newer firmware? a power reset did not do it .

Downstream Overview
Port IDFrequency (MHz)ModulationSignal strength (dBmV)Channel IDSignal noise ratio (dB)
1591000000256QAM4.500740.946
2855000000256QAM2.800340.366
3861000000256QAM2.600440.366
4579000000256QAM4.600540.366
5585000000256QAM4.700640.946
6849000000256QAM3.100240.366
7597000000256QAM4.400840.946
8603000000256QAM4.200940.946
9609000000256QAM4.2001040.946
10615000000256QAM4.9001140.366
11621000000256QAM5.3001240.366
12633000000256QAM5.4001340.366
13639000000256QAM5.7001440.366
14645000000256QAM6.2001540.946
15651000000256QAM6.4001640.946
16657000000256QAM6.6001740.366
17663000000256QAM6.7001840.946
18669000000256QAM6.8001940.366
19675000000256QAM6.8002040.366
20681000000256QAM7.1002140.366
21687000000256QAM7.1002240.366
22693000000256QAM6.9002340.366
23699000000256QAM6.6002440.366
24705000000256QAM6.4002540.366
25711000000256QAM6.5002640.946
26717000000256QAM6.4002740.946
27723000000256QAM6.0002840.366
28825000000256QAM3.7002940.366
29831000000256QAM3.3003040.366
30837000000256QAM3.4003140.946
31843000000256QAM3.3003240.366
32303000000256QAM1.100140.366
OFDM Downstream Overview
ReceiverFFT typeSubcarr 0 Frequency(MHz)PLC lockedNCP lockedMDC1 lockedPLC power(dBmv)
04K290600000YESYESYES1.299999
1NANANONONONA
Upstream Overview
Port IDFrequency (MHz)ModulationSignal strength (dBmV)Channel IDBandwidth
123700000ATDMA - 64QAM32.50026400000
238595824ATDMA - 64QAM35.50033200000
330596000ATDMA - 64QAM32.50016400000
OFDM/OFDMA Overview
Channel IndexStatelin Digital AttDigital AttBW (sc's*fft)Report PowerReport Power1_6FFT Size
0DISABLED0.50000.00000.0000-inf-1.00004K
1DISABLED0.50000.00000.0000-inf-1.00004K

Re: What are good signal levels

Hey @unidenjunky,


Welcome to the Community and congrats on your first post!


A solid connection for gaming is important for sure, so we can certainly give you a hand.


To start, your signal levels look awesome. I’m curious, have you tried a speed test on a PC or even a smartphone on the 5G? Testing on something other than a gaming console may yield higher results. 

 

Regarding your firmware, what version is your Gateway showing that you’re running?


We look forward to your reply!


RogersTim

Re: What are good signal levels

 Hey thanks for the reply. yup hard wire speed test on my computer are really good like 937Mbps to 970  fantastic and really happy with that. 

 wifi on 5G is around 275Mbps , even the Xbox one is in the high 600 to 800 hardwired testing the detailed network settings.

 

the Hitron Coda-4582U says i'm on 

Software Version  2.0.10.33T3

 

 I'm happy to here my Signal is very good, just wondering about that firmware version.

the xbox one seems to jump around lots from 40Mbps to 180 i thought id be seeing GB speeds downloading large games of 90Gb and was told maybe its a read write of the HDD and an SSD would help that along. when i shut the xbox one off and left it to download that large game was done it seems within an hour so maybe shut off its faster.

Re: What are good signal levels

@unidenjunky are you on Fibre to the Home (FTTH) by any chance?  Just wondering.  

 

From what I've seen in the forum, Xbox speed tests are historically low.  That looks like a Microsoft server problem.  Having said that, Rogers users have seen slow performance from Microsoft, Sony and Akami servers for some time now.  That's rather interesting as those servers are most likely hosted in Rogers data centers and yet, Rogers customers see slow performance out of them.  Just to point out, Bell users who access those same servers, most likely hosted in Bell data centers see much better performance.  This issue was raised probably about two to three years ago, maybe even longer, and ..... here we are.  

 

What you could try is start MS Edge on the Xbox and run a speedtest using the www.speedtest.net Toronto Rogers servers (if you're in Toronto), or try google's fibre speedtest:  http://speedtest.googlefiber.net/

 



Re: What are good signal levels

pretty sure its cable its all Coax 

Re: What are good signal levels

No sign of a fibre optic Optical Network Terminal and RG-6 cable run to the modem.  If not, then you would have overhead cabling from a utility pole, or underground cabling if you're in a house. 



Re: What are good signal levels

not sure its a town house i just moved into. fantastic speeds for sure and happy that the signal is good 🙂 

i just wonder about that firmware. do they auto update ? are there things im missing with a 2017 firmware on my Coda CODA-4582U 2.0.10.33T3. just curious

Re: What are good signal levels

Ok, given that you're in a townhouse, the townhouse complex might have its own Multiple Dwelling Unit (MDU) which is responsible for data distribution in the complex. Just depends on the size of the complex.  

 

Call tech support and ask the Customer Service Rep if he or she can get your modem on the update list.  The modems are checked, if not nightly, then probably weekly for old firmware versions.  Don't know why your's hasn't updated.  Usually that's a sign of a cable signal issue but that shouldn't apply here.   Is this a new install for the modem?  I believe .33T3 is the version that is loaded with for new or overhauled modems.  The current version is 2.0.10.36T6.

 

When you know that the modem has in fact been updated, run another modem reboot / restart.  Pull the power off of the modem and plug it back in 10 to 15 seconds later.  There is a modem reboot scheduled into the update, but I've always found that a factory reset or reboot at the very least is required to get the modem operating as it should be, after a firmware update.  

 

Personal opinion, you should be able to do better over wifi.  That depends of course on the mobile device, how many antenna it has and what wifi adapter it has, and also on the local competition for channels.  Have a look at the following post.  Skip down to the wifi settings and the applications for checking out your wifi environment.  If you make any changes in the wifi settings, reboot the modem after the settings have been saved.  

 

https://communityforums.rogers.com/t5/Internet/slow-wifi/m-p/429489#M54216

 



Re: What are good signal levels

it updated at 4:59 ish nice stuff. waited a bit and did a power reset. thanks to whoever did that

Re: What are good signal levels

Alex4161
I'm a Reliable Contributor

Hello

 

I just wanted to know if these signal levels are good or if there is something on my side that needs investigating.  The issue I find is that I have a 500 Mbit connection and wired speed tests are about 600 Mbps.  On the 5 GHz band, I seem to max out at 350 on all my AC devices.  I just wanted to know if getting a separate Router would improve the speeds.  Thanks

 

Downstream Overview
Port IDFrequency (MHz)ModulationSignal strength (dBmV)Channel IDSignal noise ratio (dB)
1597000000256QAM3.400838.983
2849000000256QAM-2.600237.636
3855000000256QAM-3.200337.356
4861000000256QAM-3.500436.610
5579000000256QAM2.500538.983
6585000000256QAM3.200638.983
7591000000256QAM3.600738.605
8279000000256QAM1.400137.636
9603000000256QAM2.800938.983
10609000000256QAM1.9001038.983
11615000000256QAM0.9001138.605
12621000000256QAM0.1001237.636
13633000000256QAM-0.1001337.636
14639000000256QAM0.0001437.636
15645000000256QAM0.2001537.636
16651000000256QAM1.0001638.605
17657000000256QAM1.9001738.605
18663000000256QAM2.6001838.605
19669000000256QAM3.4001938.983
20675000000256QAM4.1002038.983
21681000000256QAM3.7002138.605
22687000000256QAM2.8002238.605
23693000000256QAM1.6002338.605
24699000000256QAM0.6002438.605
25705000000256QAM-0.5002537.636
26711000000256QAM-1.2002638.605
27717000000256QAM-1.2002737.636
28723000000256QAM-1.7002837.356
29825000000256QAM-2.3002937.636
30831000000256QAM-2.2003037.356
31837000000256QAM-1.8003137.636
32843000000256QAM-2.2003237.356
OFDM Downstream Overview
ReceiverFFT typeSubcarr 0 Frequency(MHz)PLC lockedNCP lockedMDC1 lockedPLC power(dBmv)
0NANANONONONA
14K275600000YESYESYES1.000000
Upstream Overview
Port IDFrequency (MHz)ModulationSignal strength (dBmV)Channel IDBandwidth
130596000ATDMA - 64QAM31.00016400000
238596000ATDMA - 64QAM34.25033200000
323700000ATDMA - 64QAM30.50026400000
OFDM/OFDMA Overview
Channel IndexStatelin Digital AttDigital AttBW (sc's*fft)Report PowerReport Power1_6FFT Size
0DISABLED0.50000.00000.0000-inf-1.00004K
1DISABLED0.50000.00000.0000-inf-1.00004K

Re: What are good signal levels

@Alex4161 your signal levels for the downstream and upstream DOCSIS 3.0 channels appear to be fine.  The downstream spread, from top to bottom level is a little wider than I'd like to see, but, they're ok where they are.  The DOCSIS 3.1 OFDM downstream levels are a mystery as there isn't enough data presented to make any conclusion possible.  The first and most obvious sign of the OFDM channel health is whether or not you're seeing the download rate that you should be getting (via ethernet). 

 

So, if you're seeing the max download rates via ethernet that you expect, then the next question is the wifi.  Fwiw, I've seen 600 Mb/s download with this modem, running speedtests using the DFS channels, where no one else is operating.  The modem might actually be able to run faster, but, the laptop that I was using for the test probably tops out around 600 Mb/s.  

 

So, the question becomes one of, who else is running on the same channel and are the wifi parameters set to obtain the highest level of performance possible?  Have a look at the following post so that you can compare the wifi settings and look at your wifi environment.  Skip down to the settings and scanning applications.

 

https://communityforums.rogers.com/t5/Internet/slow-wifi/m-p/429489#M54216

 

At the end of the day, even if you were running a wifi network in the channel 149 range and higher, without having to share channel bandwidth with your neighbours, the data rates that you end up with are still dependent on the number of devices on the network, the device's wifi adapter, and whether those devices have one, two or more wifi antenna onboard.  Unfortunately, unless a consumer does a fair amount of homework to buy the best wifi devices available, in terms of potential data rates, the usual result are devices with lesser performance, either due to the wifi adapter in the device, or limitations due to the number of antenna used for wifi purposes.  The device manufacturers don't seem to be in a rush to really improve wifi performance and they don't make it easy for the consumer to determine what to expect in terms of max data rates from any prospective device.  The arrival of 802.11ax will change that as those devices are hitting the market now, but, its going to be a while before end users have modems, routers and devices with 802.11ax onboard. 

 

For the question of, are you better off with a router, my personal opinion is yes, as the router might have a higher wifi output power level, user enabled beamforming which can help, and greater control over other typical router and wifi settings which will give you better wifi performance.  It all depends on the router in question.  If you decide to go that route, you should be looking for a router with a processor that runs at a minimum 1.4 Ghz, preferably higher for gigabit rates, and external antenna.  



Re: What are good signal levels

fspilot
I Plan to Stick Around

A few months ago a new node was installed at the end of my street a few hundred metres from my house. Not having any issues but notice a lot of temp drops at houses between me and the node. 

 

Was as wondering if the variation of signal levels may be a potential issue. Modem is the CODA-4582 and I’m on Ignite 300u. 

 

Downstream Overview
Port IDFrequency (MHz)ModulationSignal strength (dBmV)Channel IDSignal noise ratio (dB)
1597000000256QAM-0.900838.605
2849000000256QAM-4.700237.636
3855000000256QAM-4.700337.636
4861000000256QAM-4.800437.636
5579000000256QAM-0.400538.605
6585000000256QAM-0.700638.605
7591000000256QAM-0.400738.983
8279000000256QAM3.500138.605
9603000000256QAM-1.100938.605
10609000000256QAM-0.9001038.983
11615000000256QAM-0.9001138.983
12621000000256QAM-0.9001238.605
13633000000256QAM-1.0001338.983
14639000000256QAM-1.3001438.983
15645000000256QAM-1.3001538.605
16651000000256QAM-1.4001638.605
17657000000256QAM-1.5001738.605
18663000000256QAM-1.4001838.605
19669000000256QAM-1.7001938.605
20675000000256QAM-1.6002038.983
21681000000256QAM-1.7002138.983
22687000000256QAM-1.9002238.983
23693000000256QAM-2.1002338.605
24699000000256QAM-2.4002438.605
25705000000256QAM-2.5002538.983
26711000000256QAM-2.8002638.605
27717000000256QAM-2.7002738.605
28723000000256QAM-2.6002838.605
29825000000256QAM-4.2002937.636
30831000000256QAM-4.4003037.636
31837000000256QAM-4.5003137.636
32843000000256QAM-4.7003237.356
OFDM Downstream Overview
ReceiverFFT typeSubcarr 0 Frequency(MHz)PLC lockedNCP lockedMDC1 lockedPLC power(dBmv)
0NANANONONONA
14K275600000YESYESYES3.099998
Upstream Overview
Port IDFrequency (MHz)ModulationSignal strength (dBmV)Channel IDBandwidth
130596000ATDMA - 64QAM30.50016400000
238596000ATDMA - 64QAM32.75033200000
323700000ATDMA - 64QAM29.25026400000
 
 

Re: What are good signal levels

Hello, @fspilot

 

I know how important it is to ensure the signal levels to your modem are within the right range to avoid experiencing any technical issues with your Internet service.

 

The signal levels you've posted look great on the Downstream channels. It does seem to range from -4.70 to +3.50 but it is still well within the correct range for this time of year which is -13.5 to +12.5. The Upstream channels are a bit on the low side with channel 3 showing 29.25 which is out of the specification range of 30.5 to 53. It is not outside of the range by much so it should not cause any significant issues.

 

If you are not noticing any issues on your end I would not worry about the signal level fluctuations.

 

Thanks for your post!

 

RogersTony

Re: What are good signal levels

fspilot
I Plan to Stick Around

No issues on my end. Upload/download speeds are great and low jitter with no packet loss. 

 

Thanks for the reply and info Tony!

Re: What are good signal levels

drjohnst
I've Been Here Awhile
Been having some disconnections lately and wonder how these look. I checked that the cable I'm plugging into in the basement(from outside) is rg6, and the one that goes to my modem is also rg6.
Downstream Overview
Port IDFrequency (MHz)ModulationSignal strength (dBmV)Channel IDSignal noise ratio (dB)
1591000000256QAM-6.200737.636
2849000000256QAM-5.600238.605
3855000000256QAM-6.300338.605
4861000000256QAM-6.800437.636
5579000000256QAM-15.900530.824
6585000000256QAM-11.300633.957
7279000000256QAM-2.400140.366
8597000000256QAM-4.800838.605
9603000000256QAM-4.700938.605
10609000000256QAM-3.4001038.605
11615000000256QAM-3.1001138.983
12621000000256QAM-3.0001238.983
13633000000256QAM-2.8001338.983
14639000000256QAM-2.5001438.983
15645000000256QAM-2.1001538.983
16651000000256QAM-2.7001638.983
17657000000256QAM-2.6001738.605
18663000000256QAM-1.9001838.983
19669000000256QAM-2.2001938.983
20675000000256QAM-2.1002038.983
21681000000256QAM-2.0002140.946
22687000000256QAM-2.8002238.983
23693000000256QAM-1.8002338.983
24699000000256QAM-1.3002438.983
25705000000256QAM-2.2002540.366
26711000000256QAM-1.3002638.983
27717000000256QAM-0.8002738.983
28723000000256QAM-1.6002839.397
29825000000256QAM-3.4002938.983
30831000000256QAM-4.3003038.605
31837000000256QAM-4.9003138.605
32843000000256QAM-5.5003238.605
OFDM Downstream Overview
ReceiverFFT typeSubcarr 0 Frequency(MHz)PLC lockedNCP lockedMDC1 lockedPLC power(dBmv)
0NANANONONONA
14K275600000YESYESYES-2.299999
Upstream Overview
Port IDFrequency (MHz)ModulationSignal strength (dBmV)Channel IDBandwidth
138596000ATDMA - 64QAM39.50033200000
230596000ATDMA - 64QAM35.75016400000
323700000ATDMA - 64QAM34.00026400000
OFDM/OFDMA Overview
Channel IndexStatelin Digital AttDigital AttBW (sc's*fft)Report PowerReport Power1_6FFT Size
0DISABLED0.50000.00000.0000-inf-1.00004K
1DISABLED0.50000.00000.0000-inf-1.00004K

Re: What are good signal levels

Good morning and welcome to our Community @drjohnst!

 

Taking a look at the signal results you've provided, I am seeing a couple of these channels are out of spec. I would like to run some additional diagnostics for you. Please PM us @CommunityHelps so that I may further assist. If you're not familiar with our PMing process, you can find instructions here.

 

Regards,

RogersCorey

Re: What are good signal levels

User1030445
I Plan to Stick Around

Hi,

Starting to get drop offs where I lose my internet for a couple of minutes the last 4 weeks. Hitron gigabit modem showing these events below, here are my modem readings. To see what kind of improvement I would get I connected the modem directly to the Rogers provided splitter in the basement where it enters the house and could improve the db loss by +6->7 across the spectrum versus in my living room (about 50ft of RG6 and a 2 way splitter -3.5db between the basement and living room). No issues on the cable side with the TV although I looked at the db loss on my Nextbox3 and some channels are -13db. The loss I see in the living room looks normal to me given the RG6 and 2 way splitter. Checked all connections, look fine.

 

I used a loss calculator and for my length of RG6 (plus add in the 2 way splitter -3.5db) the loss I am seeing seems very normal. S/N ratios look fine as you can see. The Rogers pedestal where my underground wire runs to is about 80 feet from the entrance to the house. I have run speed tests today and still running between 400->500gb on my laptop so that seems fine.

 

I had no issues with this same modem for a year until mid October when I started these drops of connectivity to the network on the wan side. Nothing changed in the house.

 

Does the signal level of -4 to -6db at the Rogers splitter in the basement look to low to you?

What signal would be expected coming into the house from Rogers?

 

Thanks

 

1 11/10/2019 00:57:54 90000000 warning MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1;CM-MAC=***Privacy***;CMTS-MAC=***Privacy***;CM-QOS=1.1;CM-VER=3.1;
2 11/11/2019 04:59:36 84020200 warning Lost MDD Timeout;CM-MAC=***Privacy***;CMTS-MAC=***Privacy***;CM-QOS=1.1;CM-VER=3.1;
3 11/11/2019 05:09:16 82000200 critical No Ranging Response received - T3 time-out;CM-MAC=***Privacy***;CMTS-MAC=***Privacy***;CM-QOS=1.1;CM-VER=3.1;
4 11/12/2019 12:54:30 84020200 warning Lost MDD Timeout;CM-MAC=***Privacy***;CMTS-MAC=***Privacy***;CM-QOS=1.1;CM-VER=3.1;

 

Downstream Overview
Port ID Frequency (MHz) Modulation Signal strength (dBmV) Channel ID Signal noise ratio (dB)
1 603000000 256QAM -11.500 9 35.084
2 849000000 256QAM -14.000 2 33.487
3 855000000 256QAM -14.600 3 33.487
4 861000000 256QAM -14.600 4 33.487
5 579000000 256QAM -11.600 5 34.926
6 585000000 256QAM -11.200 6 35.084
7 591000000 256QAM -11.000 7 35.780
8 597000000 256QAM -11.200 8 35.595
9 303000000 256QAM -5.800 1 37.356
10 609000000 256QAM -11.400 10 35.084
11 615000000 256QAM -11.100 11 35.595
12 621000000 256QAM -11.800 12 35.084
13 633000000 256QAM -11.700 13 34.926
14 639000000 256QAM -11.400 14 34.926
15 645000000 256QAM -11.600 15 34.926
16 651000000 256QAM -11.500 16 34.926
17 657000000 256QAM -11.100 17 35.084
18 663000000 256QAM -11.000 18 35.084
19 669000000 256QAM -10.800 19 35.084
20 675000000 256QAM -10.700 20 35.084
21 681000000 256QAM -10.500 21 35.780
22 687000000 256QAM -10.700 22 35.084
23 693000000 256QAM -10.700 23 35.595
24 699000000 256QAM -11.000 24 34.926
25 705000000 256QAM -10.900 25 35.084
26 711000000 256QAM -11.100 26 35.084
27 717000000 256QAM -11.200 27 34.926
28 723000000 256QAM -11.300 28 34.926
29 825000000 256QAM -13.400 29 33.957
30 831000000 256QAM -13.400 30 33.957
31 837000000 256QAM -13.600 31 33.957
32 843000000 256QAM -13.900 32 33.957
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 NA NA YES NO YES NA
Upstream Overview
Port ID Frequency (MHz) Modulation Signal strength (dBmV) Channel ID Bandwidth
1 25300000 ATDMA - 64QAM 35.750 2 3200000
2 36996000 ATDMA - 64QAM 33.750 4 6400000
3 30596000 ATDMA - 64QAM 33.750 3 6400000
4 22100000 ATDMA - 64QAM 34.500 1 3200000
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
Topic Stats