OT Cable Modem Woes

Wed Feb 25 19:22:29 MST 2015

This is great news, buddy!

:-)~MIKE~(-:

On Wed, Feb 25, 2015 at 1:44 PM, Mark Phillips <mark at phillipsmarketing.biz>
wrote:

> A short recap on the problem....
>
> I signed up for the Cox home cable plant support option - $7/month. Cox
> came out yesterday and the technician said the signal as too strong, and he
> removed an amplifier from the circuit and now the modem is not dropping the
> signal. The new signal strength is 2-3 dBmV. My average ping time to
> google.com also dropped by 2 ms! He did not change any cables. He did
> replace some old splitters in the attic for the TVs, and the signal
> strength there improved, too.
>
> So, for once, Cox came through.....I think!
>
> Thanks for all the advice!
>
> Mark
>
> On Sat, Feb 21, 2015 at 12:32 PM, Mark Phillips <
> mark at phillipsmarketing.biz> wrote:
>
>> Thanks again for all the input. I will check out the Cox service plan for
>> $7.00/month and see if they can get it fixed!
>>
>> Mark
>>
>> On Sat, Feb 21, 2015 at 10:52 AM, Eric Oyen <eric.oyen at gmail.com> wrote:
>>
>>> I have the internal wiring insurance offered by Cox. SO far, its been
>>> worth the additional $6 a month. The phone lines in this house (which are
>>> covered) are about 50 years old. we will need to get them replace soon (my
>>> ham radio keeps coming in on the phone). We had all the cable redone in the
>>> house about 10 years ago, and even have a single dedicated line out to the
>>> pedestal for the cable modem. So far, that one line is noise free and the
>>> cable modem (a motorola make) has been chugging along happily for about 7
>>> years.
>>>
>>> anyway, thats my story and I am sticking to it. :)
>>>
>>> -eric
>>>
>>>
>>>
>>> On Feb 21, 2015, at 9:18 AM, Michael Butash wrote:
>>>
>>> > 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" <sirlight at cox.net> 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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>>
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