Rogers Hitron CODA-4582 Hardware

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I've Been Here Awhile
Posts: 4

Re: Rogers Hitron CODA-4582 Hardware

@Datalink thank you for your quick response. I have pasted the requested info below.


Just a reminder that my setup as of now is Rogers (500U) —>  Hitron CODA-4582U, I will add my new AC86u once I am sure the connection is ok.


I use linux mint so I will have to find a alternative for wifi analyzer.

However, I just tested using the 5G connection and I got 310Mbps down and 18Mbps up. Is that the maximum I am able to get via Wifi?


Edit: I follow your instrunctions on the CODA setup, disable port fowarding, set to ipv4 only and the exact 2.4G and 5G config and I got a slightly better results on download 324Mbps and worse upload 9Mbps.


When setting my modem to bridge mode, is there any tweaks or extra settings that I have to do it to improve the speed?


Do you have any post or article with how to setup the AC86u to optimize my Rogers Ignite 500u connection?


My wifi card info:


description: Wireless interface
product: Wireless 8260
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:04:00.0
logical name: wlp4s0
version: 3a
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi driverversion=4.9.0-040900-generic firmware=21.302800.0 latency=0 link=yes multicast=yes wireless=IEEE 802.11
resources: irq:129 memory:f4000000-f4001fff


Downstream Overview
Port IDFrequency (MHz)ModulationSignal strength (dBmV)Channel IDSignal noise ratio (dB)
OFDM Downstream Overview
ReceiverFFT typeSubcarr 0 Frequency(MHz)PLC lockedNCP lockedMDC1 lockedPLC power(dBmv)
Upstream Overview
Port IDFrequency (MHz)ModulationSignal strength (dBmV)Channel IDBandwidth
123700000ATDMA - 64QAM30.50026400000
238596000ATDMA - 64QAM33.75033200000
330596000ATDMA - 64QAM32.00016400000
Channel IndexStatelin Digital AttDigital AttBW (sc's*fft)Report PowerReport Power1_6FFT Size
I Plan to Stick Around
Posts: 12

Re: Rogers Hitron CODA-4582 Hardware

Ok ran a speed test again and upload is 171 down is 33.1. The adapters are the newest one 2000 Mbps speed Residential Gateway Function.

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Posts: 6,986

Re: Rogers Hitron CODA-4582 Hardware

@rafagomes, the modem itself does have a wifi survey capability. If you navigate to the ADMIN .... DIAGNOSTICS, you can run the Wifi (Wireless) Survey. Since the modem has four 5 Ghz and three 2.4 Ghz antenna, its actually fairly sensitive compared to what you would find with a typical laptop or desktop antenna system.  It should actually be on par with the 86Us Wifi Survey capability. I don't have Merlin loaded yet, I'm waiting for 384.8 to finish up.  But, somewhere in the 86U, with Merlin loaded, should be a Wifi Survey function. 


The modem's wifi survey is all text data, so you have to copy that and dump it into a spreadsheet in order to sort it via channel or power level. If you can do that easily, you would be able to see who you're competing with. If you can find the Wifi Survey function in Merlins firmware, that would probably do the job as well.


Depending on the wifi competition, I believe that you should be able to do much better with that 8260 wifi adapter.  We have the same adapter in a Windows 10 Asus ultrabook. The best that I can ever do, thru my 86U router is 600 Mb/s.  Keep in mind that this is probably a dual antenna wifi adapter which does limit performance as its "only" two antenna.  Of course there is always the question of the driver performance in linux versus windows. 


That 600 Mb/s is usually chopped by at least 200 to 300 Mb/s due to its typical operating range from the router (~35 ft thru a wall or two) and due to the competition with my immediate neighbour who has a Rogers modem running on the same channels. The bigger factor is the competition from my neighbour. Despite that, that data rate is better than what I would see if I used the lower 5 Ghz channels where the power levels are restricted to 50 or 200 milli-watts, but where there's no competition in my case. So, each user has to experiment to determine what's best for their location, and possibly for their location within the home. If you were able to run a wifi survey within the home, you would see differences in received power levels from neighbouring modems and routers. That plays a part in the wifi performance differences that you see as you move around the home. I wonder if kali linux has any tools that might be applicable and that you could run on mint linux?


In terms of any settings for Bridge mode, there are none. The modem operates as a transparent bridge between the router and the neighbourhood node. In Bridge mode, the modem doesn't offer any services such as firewall, DHCP, etc, etc. Its just a modem. Having said that, one has to pay attention to the modem cable signal levels.


Your signal levels are pretty high. That makes me wonder if you happen to have an inline amplifier installed where the cable enters the home? Can you have a look when you have time and let me know what you see. The current generation of amplifiers have a passive VOIP port that is also used for modems. That port is not amplified. If you happen to be in a highrise/condo, then I could understand the high signal levels. Normally the upper DOCSIS 3.0 levels sit around 0 dBmV. Your signal to noise ratios are ok. The OFDM (DOCSIS 3.1) channel is probably higher than normal, but there isn't enough information presented to come to any conclusions regarding the health of the OFDM channel. The Upstream DOCSIS 3.0 channels are within a normal range for this modem when its running DOCSIS 3.1 on the downstream side. The OFDMA section at the bottom is irrelevant at this point in time. That is for DOCSIS 3.1 upstream, which Rogers is testing at this time. No ISP has DOCSIS 3.1 upstream running at the present time.


Ok, so, before I ask you to call tech support to run a signal check on the modem, can you have a look for any powered amplifier where the cable enters the home. If there is one, can you grab the model number off of it and post it please. Are you in a house, highrise, condo, mansion, castle, etc, etc?


For the 86U, I have a list of settings that I keep for occurrences such as this.  I'll try to dig it up later tonight. 


Edit:  in the Windows operating system, specifically the wifi adapter settings, there is an option to enable the operating system to shut down the adapter for power saving purposes.  I've disabled that, but I don't know is there is an equivalent in the linux world.  There is also a setting for wifi power levels that vary, depending on the power source for the laptop, power brick, or battery.  I've pushed the battery power levels up, they might be maxed out, can't remember.  In any event, that's never caused any issues from what I can see.  End result, satisfactory wifi performance despite the neighbours wifi network.  

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Posts: 6,986

Re: Rogers Hitron CODA-4582 Hardware

@Ramz, ok that speedtest is with the modem in Gateway mode and with a direct ethernet connection to the modem?  170 Mb/s down, 33 Mb/s up. 


When the tech did the install, did he or she run a speedtest and show you the results?


What's the test device?  Laptop, Desktop, other?


Happen to have a 50 or 100 ft Cat 5e/6 ethernet cable that you can use for direct connect testing with the modem?

I Plan to Stick Around
Posts: 12

Re: Rogers Hitron CODA-4582 Hardware

No speed test. Called tec support and all is good on there end. I am starting to think the wall outlet I am using had a ground. Think there lies my issue.

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Posts: 6,986

Re: Rogers Hitron CODA-4582 Hardware

All wall plugs will have a ground.  There will be line, neutral and ground cabling to each plug.  What you don't want in the path from Adapter A to Adapter B is a GFI plug which is typically found in a bathroom. 


Have a look at my additional comments above.


Power adapters can be a pain to work with.  The big problem, personal opinion is the path, from adapter A to adapter B.  Ideally, each plug would be located on the same side of the electrical panel.  There are a couple of panel styles around, maybe more.  One has a bus bar behind the circuit breakers that is vertical.  Each side has its own bus bar and the immediate neighbour for any given circuit breaker is the circuit breaker above and below.  The other, newer panel has a notched bus bar, so that the immediate neighbour for any circuit breaker is located on the other side of the panel, both above and below the subject circuit breaker.  Ideally, if you needed to run a power adapter, you would connect from it's circuit breaker to the nearest neighbouring circuit breaker, in whatever configuration the panel happens to be, vertical hot bus, or notched hot bus.  Any other path introduces additional length, and can introduce more noise if in fact the communication path happens to be via electromagnetic induction with the neighbouring wires as they head out of the home.  This last path is a worst case situation.  


If I was absolutely reliant on a power adapter, I'd really consider calling in an electrician to rearrange a couple of circuits so that they're adjacent to each other, so to speak, and use the shortest path possible between the adapters.  So, that might be food for thought.  


You could probably figure out what works best if you can test the data rates in various rooms.  Take the circuit breaker location and test the circuits that are above, below, and across the panel, both above and below that circuit breaker as well.  The  "adjacent" circuits should give you the best results.  


Ok, so, before that, we have to sort out the modem data rate and get that to where it should be.  After that it will be time to test around the home. 


Edit:  hmm, tech support says "don't worry, be happy".   I'm not too satisfied with that at the moment:(

I Plan to Stick Around
Posts: 12

Re: Rogers Hitron CODA-4582 Hardware

Now the wifi issue like I said the box I have can handle 802.11ac but I only get less then 100 and the wired I will have to move plugs around.

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Re: Rogers Hitron CODA-4582 Hardware

@Ramz how old is your home?  Any chance that its less than 15 years old or so, in which case it might have structured wiring installed but not completed.  Structured wiring is wiring bundle that runs from the structured wiring panel (usually in the basement) to each room where telephone, cable and internet services are required.  Each room receives its own cable run from the panel.  If you looked behind any wallplate that has a telephone or cable port on it, you might find the rest of the wiring, waiting to be discovered.  The other end of the cables would be sitting in the Structured Wiring Panel, waiting to be put to use. 


Other consideration, MoCA adapters.  Multimedia over Cable Alliance:  This uses adapters which are connected to the cable system to move data around home.  The additional requirement is a MoCA 2.0 splitter to support the 1675 Mhz upper MoCa 2.0 frequency range.  Essentially this does the same as power line adapters, but it runs over the house cable system.  With MoCA 2.0 adapters and MoCA 2.0 splitter, you should be able to run gigabit internet in the home. 


MoCA links:

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Re: Rogers Hitron CODA-4582 Hardware

@Ramz, here's an example of an electrical load center which shows the bus bars:


So, in this case the top row of circuit breakers would connect to Bus A on the left, giving you 1A and 2A.

The next row would connect to Bus B on the right hand side, giving you 3B and 4B. 

The next row would connect to Bus A on the left side giving you 5A and 6A.


So, if your adapter was connected to circuit 1A at the top left, the shortest path would be to its immediate right thru 1B, and then thru the third row breakers, 5A and 6A, fifth row breakers, etc, etc.  Ideally the power adapters would be connected to or thru those circuit breakers.  


This is just one example.  There are probably numerous types of bus bars in use, so it would take an electrician to know the specific bus bar type that you have and how to wire the house circuits in order to minimize the path between the two power line adapters. 


As I indicated before, having some idea of this, you could test in the rooms that are connected to the various breakers that surround your primary adapter circuit breaker.  The short path circuits should yield the highest data rates on any speedtest.

I Plan to Stick Around
Posts: 12

Re: Rogers Hitron CODA-4582 Hardware

House is 14 yrs old and yes their are wall plates covered for future use.