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Arris tm722g I have an Arris tm722g modem and have been having issues with it for some time now. At random times throughout the day (sometimes ten minutes and sometimes an hour) the internet connection will just drop off. There are three computers on the network and each of them remains connected to the network itself but the internet connection is lost on all of them. To fix it, all I have to do is unplug the internet ethernet cable from the back of the router, wait ten seconds, and plug it back in. Does anyone have any idea what could be causing this or how to fix it?

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

xetas
  • 39 Answers

SOURCE: Re-starting a ARRIS modem after a loss of power

You can try doing a "Hard reset" on the modem but it looks like you've tried most combinations. To do the hard reset: - unplug the coax cable from the back of the modem - Push and hold the "reset" button in for 15 seconds - Allow the modem 30 seconds to reinitialize and then plug the coax cable back in. Within 10minutes you should have activity back. If not, the modem needs to be replaced. I know you may have tried something similar to this but I'm hoping this may help.

Posted on Aug 13, 2007

  • 31 Answers

SOURCE: Wi-Fi isn't working

This could be a duplex issue. When you log into the belkin does is assign you an IP address? Have you used a ballpoint pen to reset the EMTA since you have connected the router?

Posted on Apr 09, 2009

  • 40 Answers

SOURCE: Unable to connect Linksys wireless router to my arris cm450a

All routers will only work with ethernet. You would need to get an ethernet card installed in your computer. You can probably buy one for about 20.00 at Walmart. If you don't want to do this you can purchase a usb/ethernet adapter and still use the usb port on your computer. You can purchase one of these for around 5.00's on ebay. Just go to ebay and search for usb/ethernet adapter. Please rate if this has helped. Thanks.

Posted on Apr 10, 2009

  • 17 Answers

SOURCE: Arris cable modem

if the power light is flashing then the modem is on battery backup and internet is disabled. plug the power cord into the modem or find a working power outlet, you should be set after that.

Power light flashing=bad

Posted on Jul 04, 2009

  • 2 Answers

SOURCE: Problem with my Arris Comcast cable modem.

I just had a tech out yesterday regarding this problem on a TM402 - restarts under high network saturation (big uploads or downloads). According to the tech, this is a know issue. Comcast upgraded their network to support multiple carriers (called channel bonding) dynamically. Due to this upgrade, when your modem is demanding high bandwidth for large downloads, essentially, it requests an additional carrier (or channel)...when that request is initiated, the modem's hardware (and firmware) can't connect to more than one channel at a time, therefore, it "gets confused" and restarts itself to attempt to fix the problem. I upgraded to the TM602, and the problem is still there. This is because the channel bonding feature requires a Docsis 3.0 capable modem. The Arris TM702 is the first in the Arris line to offer docsis 3.0. I called Comcast and they are upgrading me to the Arris TM702 (which is a 50M down/10M up service, btw) for an additional $30/month - well worth it for the stability which I require.

As far as Comcast saying that it's fine, call them back with the information I provided, and ask to get you to a tech who can better service your needs...unfortunately, the "tier 1" techs don't have a clue.

Posted on Dec 07, 2009

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Arris TM902 modem (CHARTER) causes random "waiting for 24.217.29.129" hangs. 24.217.29.129 is for Charter in Denver Col. How do I fix this ?????


This is (for me, anyway) caused by a routing problem within Charter's network. They inject a redirect to a page to try to force you to agree to terms and conditions. That page is on 24.217.29.129. For me, that IP is unreachable - a traceroute shows a routing issue inside Charter's network - a packet bound for that address ends up bouncing between 2 of their routers and eventually the TTL expires. Their useless troubleshooting chatbot will just want you to reset your cable modem, which will do nothing but waste your time - the problem is inside Charter's network.

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Sometimes 3 of the 10 lines have busy signals and dont ring. it is erratic. Sometimes they work and sometimes not. no dial tone.


Did you call to see if all 10 phone ports are registered with the MTA macs on there voip servers?

Have them check your downstream signals, make sure your not losing packets or connection?


Make sure to swap out old phone lines with new phone lines.

Or
the ports on that older Docsis 2.0 modem are going bad and I would suggest getting a Docsis 3.0 Multi - Line Telephony Modem. I would call your provider for best suggested modem.

Hope this helps.

Mar 16, 2016 | Arris Computers & Internet

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Bought the same identical modem that time warner provides & had them register it.enabled wireless & rebooted modem. wireless disables when you connect time warner says everything is good on their end


The configuration between the modem and your computer requires digital switching via code settings. Check you manual for the proper communication settings.

Mar 30, 2015 | Arris Computers & Internet

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Where can i buy arris tm722G?


There are a couple of options you can try. 1) Contact Arris directly for details on how to purchase this modem. 2) Try and see if this modem is located on eBay or any other auction site. *** I have not been able to find a site that sells this modem. But I have found people in a similar situation as yours. They have Comcast internet and instead of renting the modem they want to purchase, or upgrade. check out these two links. Here and Here
Let me know if you have any additional comments.
-G33k

Oct 18, 2011 | Arris Touchstone 450a (CM450) Modem

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I am renting an ARRIS model TM722G/CT modem from Comcast and would like to buy a like product that is compatible with the current rental. Do you sell this product to consumers of Comcast or are you...


We don't sell anything, we are a helping site.
You need something like this
http://www.amazon.com/Motorola-SB6120-SURFboard-eXtreme-Broadband/dp/tech-data/B001UI2FPE/ref=de_a_smtd

Jun 10, 2011 | Computers & Internet

2 Answers

Problem with my Arris Comcast cable modem.


I just had a tech out yesterday regarding this problem on a TM402 - restarts under high network saturation (big uploads or downloads). According to the tech, this is a know issue. Comcast upgraded their network to support multiple carriers (called channel bonding) dynamically. Due to this upgrade, when your modem is demanding high bandwidth for large downloads, essentially, it requests an additional carrier (or channel)...when that request is initiated, the modem's hardware (and firmware) can't connect to more than one channel at a time, therefore, it "gets confused" and restarts itself to attempt to fix the problem. I upgraded to the TM602, and the problem is still there. This is because the channel bonding feature requires a Docsis 3.0 capable modem. The Arris TM702 is the first in the Arris line to offer docsis 3.0. I called Comcast and they are upgrading me to the Arris TM702 (which is a 50M down/10M up service, btw) for an additional $30/month - well worth it for the stability which I require.

As far as Comcast saying that it's fine, call them back with the information I provided, and ask to get you to a tech who can better service your needs...unfortunately, the "tier 1" techs don't have a clue.

Nov 20, 2009 | Netopia (3342) Modem

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I am looking for usb driver for arris rndis modem model number is tm602g


http://www.drivers-fix.net/arris.php. Comcast sometimes has drivers for this device. Use the ethernet connection if you can cause Arris EMTA's usb outputs **** unless your trying to do both which is what I think your doing. If your computer only has a USB connection look for adaptors

Oct 11, 2009 | Arris Touchstone 450a (CM450) Modem

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Hi taldrich6 - You have this listed under Arris CM450. Is that what you have?

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Connecting my arris modem to x-box live


I have an Arris cable modem and use Xbox live. They work very well together. Most ISP's will only allow one active device at a time. When you switch between you cable modem and your Xbox you need to use a pen and press the reset button on the arris every single time you switch.

Jun 22, 2008 | Arris Touchstone 450a (CM450) Modem

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