Re: OT Cable Modem Woes

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Author: Michael Butash
Date:  
To: plug-discuss
Subject: Re: OT Cable Modem Woes





As long as it's not RG-58 (stuff
      satellite usually installs), it's probably ok.  Cox will only
      install RG-8 these days, so check what you have, 


      My coax is going on 15-20 years old, and I've never had an issue
      with it.  This isn't usually the issue


      Another thing that goes bad are splitters.  Mine has crapped out a
      few times over the years too.  Since I never watch tv, and haven't
      had cable tv since the 90's, I just removed all the splitters and
      use a 1-to-1 joint from the external to my modem.


      Have cox replace your external line, they should do that for free,
      and start there.


      What others will do/have done is get the "coverage" package from
      cox per month, another 6-8 bucks, have them fix/replace your
      inside lines, and cancel the service.  Janky., but I was told that
      by a cox field tech.  :)


      -mb



      On 02/20/2015 11:41 PM, Mark Phillips wrote:



Thanks for the info! Do you know any reasonable cable
        installers who could replaces the coax in my house? It is over
        ten years old, and probably the problem. The cable to the dmz is
        just a year old, and at the opposite end of the house from the
        cable modem. I have also been having some issues with the tvs in
        the house, so time to replaces all of it.

Mark
On Feb 20, 2015 9:35 PM, "Zany Yan" <>
        wrote:

Mark,

          I used to have a LOT of problems with my Cox connection. It
          was working then it would start recycle the modem like every 2
          mins for a long while. My signal was CRAP!!!!!


          Finally, it totally quit all together. Couldn't even connect.
          Finally, a Cox technical person came over. Looked at my cable
          from the DMZ box on the side of the house to inside with a
          meter and it was VERY bad.


          Ended up totally replacing the cable from the DMZ box all the
          way to the cable modem.


          Once that was done, my connection came back.


          You want to call COX Internet technical support line, don't
          call the help line. Make sure you keep telling them that the
          connection has been dropping like crazy.


          Jon


          On 02/20/2015 08:06 PM, Mark Phillips wrote:


            I have a 1-3 year old Motorola Surfboard SB6141 and Cox. The
            modem and

            my LAN are up 24/7. Recently, I have been loosing my
            connection to the

            Internet. My local LAN is up (I can ping/ssh other computers
            on the LAN)

            but I get and error message of "Can't resolve host" when I
            try to ping

            google. A quick power off, wait 30 seconds, power on of the
            modem fixes

            the problem. These outages are happening more frequently -
            daily for the

            last two days. The lights on the front of the modem are not
            different

            between running normally and unable to access the Internet.


            The downstream signal to noise is 37 - 38 dB @ 14 dBmV. The
            upstream

            power level is 41 - 45 dBmV.


            I am seeing this in the logs for the modem on a regular
            basis after the

            reboots


            MIMO Event MIMO: Stored MIMO=-1 post cfg file

            MIMO=-1;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.0;


            TLV-11 - unrecognized

            OID;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.0;


            Do I need to buy a new modem? Is there anything Cox can do?


            Thanks,


            Mark




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