Computers & Electronics

difference between CGN3AMR vs CGN3ACSMR

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  • Aug 24th, 2016 2:09 pm
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[OP]
Deal Addict
Nov 2, 2003
1262 posts
79 upvotes
oshawa

difference between CGN3AMR vs CGN3ACSMR

I had CGN3ACSMR modem from rogers. I had been having issues with my 100u speeds and the tech came and switched to CGN3AMR. the problem still persists and so the tech called in someone to check the rogers line outside.
my question is what is the difference between CGN3AMR vs CGN3ACSMR?
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21 replies
Deal Fanatic
Mar 6, 2005
5782 posts
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Basically the biggest difference is CGN3AMR is Wireless N, CGN3ACSMR has Wireless AC. However firmware wise the GCN3AMR is the more stable model as it's more mature.
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Aug 13, 2012
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CGN3ACSMR is a "Rocket modem" with 5g signal. All rocket modems have AC after CGN3.
CGN3CAMR is an "Advanced modem", lesser tier.
What's your problem?
¯\_(・_・)_/¯
[OP]
Deal Addict
Nov 2, 2003
1262 posts
79 upvotes
oshawa
THE TECH blamed the outside rogers equipment issue for the slow speed that I am getting. my upload speed is around 20kbps for the ignite 100.
btw: I can see 5 MHz wireless connections on this modem. is that the 5g?
Image
and here is the speed of my all powerful super blazing 100 u igniteImage
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Aug 13, 2012
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junkone wrote: THE TECH blamed the outside rogers equipment issue for the slow speed that I am getting. my upload speed is around 20kbps for the ignite 100.
btw: I can see 5 MHz wireless connections on this modem. is that the 5g?
Did the technician say anything about signal? I had a similar problems as you few months ago. Our whole building had very low speeds, took few days for them to realize that the signal was too strong. It took them few more days to finally fix it, meanwhile the technician gave us a little thing that made everything normal.
http://imgur.com/a/YLIok
¯\_(・_・)_/¯
[OP]
Deal Addict
Nov 2, 2003
1262 posts
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oshawa
I had 2 technicians. the first tech put that little thing as a filter. the second guy changed the modem and took away the filter. now I got nothing!!!
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Deal Fanatic
Mar 6, 2005
5782 posts
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Can you post your signal levels, if they put a "Filter" on it's probably an attenuator. Some buildings have issues where the either the downstream or upstream is out of range.
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Dec 23, 2003
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go to the http://communityforums.rogers.com/t5/fo ... _connected forum and request to be part of the beta test program and you will get version .22 firmware that is much better.

As for the modem, if the modem says IGNITE on the front, it is the latest one.
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[OP]
Deal Addict
Nov 2, 2003
1262 posts
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oshawa
here is my signal level


Downstream Overview

Port ID Frequency (MHz) Modulation Signal strength (dBmV) Channel ID Signal noise ratio (dB)

1 597000000 256QAM -4.700 32 38.983
2 363000000 256QAM -4.200 10 37.356
3 369000000 256QAM -4.000 11 37.636
4 375000000 256QAM -4.100 12 37.636
5 381000000 256QAM -3.700 13 38.605
6 387000000 256QAM -3.700 14 38.605
7 393000000 256QAM -3.800 15 38.605
8 399000000 256QAM -3.800 16 38.983
9 405000000 256QAM -3.900 17 38.605
10 411000000 256QAM -3.300 18 38.605
11 417000000 256QAM -3.200 19 38.983
12 423000000 256QAM -3.300 20 38.605
13 429000000 256QAM -3.200 21 38.983
14 435000000 256QAM -3.100 22 38.983
15 441000000 256QAM -2.900 23 38.983
16 447000000 256QAM -3.000 24 38.983
17 555000000 256QAM -4.200 25 38.983
18 561000000 256QAM -4.500 26 38.605
19 567000000 256QAM -4.200 27 38.983
20 573000000 256QAM -4.400 28 38.983
21 579000000 256QAM -4.400 29 38.605
22 585000000 256QAM -4.600 30 38.983
23 591000000 256QAM -4.800 31 38.983
24 357000000 256QAM -3.900 9 38.983




Upstream Overview

Port ID Frequency (MHz) Modulation Signal strength (dBmV) Channel ID BandWidth

1 30596000 ATDMA - 64QAM 35.750 1 6400000
2 38596000 ATDMA - 64QAM 37.000 3 3200000
3 23700000 ATDMA - 64QAM 35.750 2 6400000
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Deal Fanatic
Mar 6, 2005
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Your upstream is barely in range, 35 is considered the bare minimum for it to work and you're basically flirting with that line. They should send a tech out to take another look, if it fluctuates you may very well be going out of range from time to time.

Downstream signal looks fine - Tolerance is -/+ 10dBmV (and ideally as close to 0 as possible, -3 to -4 is good)

You may have a problem on your line where if there is no attenuator the Downstream is out of range but Upstream is ok, so he might have tried to "Balance" it out, but 35.7 for upstream is basically the bare minimum for it to function.
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Dec 23, 2003
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tkyoshi wrote: Your upstream is barely in range, 35 is considered the bare minimum for it to work and you're basically flirting with that line. They should send a tech out to take another look, if it fluctuates you may very well be going out of range from time to time.

Downstream signal looks fine - Tolerance is -/+ 10dBmV (and ideally as close to 0 as possible, -3 to -4 is good)

You may have a problem on your line where if there is no attenuator the Downstream is out of range but Upstream is ok, so he might have tried to "Balance" it out, but 35.7 for upstream is basically the bare minimum for it to function.
It's not as simple as that. They might increase the signal but need to adjust the linex as well.
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Deal Fanatic
Mar 6, 2005
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hightech wrote: It's not as simple as that. They might increase the signal but need to adjust the linex as well.
Yes, Hence why I said to get another tech out :)

I'm just saying the tech may have played with the attenuators to try and get it in range although basically it's barely in range now for upstream. If no combination of cutting or amplifying the signal works then they'll need to adjust the physical line. However usually a Rogers tech has to file the ticket to get 2nd level to come and inspect the physical line.

I heard from multiple techs that a lot of new condos have issues with upstream being too strong, which causes issues because when they try and cut the signal the downstream then goes out of range.
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Aug 19, 2011
4218 posts
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Markham
Reviving this thread as I just had a modem swap.

I had a "Rocket" CGN3ACR like this:

Image

But the router part of it completely died all of a sudden so support had me replace it at the local Rogers store. Ended up wit a CGN3AMR which looks similar except the casing is a bit rounded and elongated and the color is silver. It doesn't say "Ignite" anywhere on it but it is dual band and has WiFi AC. Is this the latest modem Rogers is giving out?

I feel the admin menus respond slower compared to my old modem, as they take a good 1-2 seconds to load vs. the old modem's instant response but WiFi speed/signal seems to have improved a bit.
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Aug 19, 2011
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Markham
hightech wrote: My modem says ignite and it is the CGNM-3552-ROG model.
http://www.hitron-americas.com/products/cgnm-3552/

Make sure you get the latest firmware for the modem as it improves stability and range.
That's the Gigabit modem with 32x8 marking in front.

Mine is not Gigabit, I haven't seen the photo of casing anywhere on the net or Hitron or FCC site.

My new CGN3AMR has 4.5.8.20 which I believe it is the latest stable firmware based on what they are beta testing over on the Rogers forum.
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Dec 23, 2003
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payam1981 wrote:
hightech wrote: My modem says ignite and it is the CGNM-3552-ROG model.
http://www.hitron-americas.com/products/cgnm-3552/

Make sure you get the latest firmware for the modem as it improves stability and range.
That's the Gigabit modem with 32x8 marking in front.

Mine is not Gigabit, I haven't seen the photo of casing anywhere on the net or Hitron or FCC site.

My new CGN3AMR has 4.5.8.20 which I believe it is the latest stable firmware based on what they are beta testing over on the Rogers forum.
Hmm... I thought there is a .22 firmware update that is available from the rogers community forum.
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Deal Addict
Aug 19, 2011
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Markham
hightech wrote:
Hmm... I thought there is a .22 firmware update that is available from the rogers community forum.
That's the beta being circulated there. .20 is the latest stable release.
Sr. Member
Jan 28, 2007
876 posts
68 upvotes
Both are POS garbage.

Rogers has replaced out modem many times but it always degrades after a month or two of service. Sometimes even weeks. I talked to them about authorizing a different modem brand such as Cisco but they didn't budge.

They have given us almost all modems of the $hitron and I absolutely hate that cheap crap they push on us.
Deal Fanatic
Feb 4, 2015
6897 posts
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Canada, Eh!!
Also have the silver CGN3AMR.

Presently placed in bridge mode and using my own router but speeds nowhere near my plan 100U. Very inconsistent. Guess need to disconnect my own router to get the stats straight from the hitron and see if hitron is the issue?

If I take out of bridge mode [by pressing reset button] can I manually update fw to 4.5.8.20 or do I need to keep it out of bridge mode for some time and it will self update fw?
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