Comcast modems

Comcast modems

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Subject Author Date
Comcast modems buscuitboy 06-27-2007
`--> Re: Comcast modems Andrew Rossmann06-28-2007
Posted by Tom Stiller on June 30, 2007, 11:04 pm
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> Andrew Rossmann wrote:
> > ffgeorge@yourplace.com says...
> >> One more reason to rent...when they upgrade to the new software
> >> versions that the old ones are not compatible with. Happened to me
> >> last year, fortunately, for me, I also rent. They came out and
> >> replaced it no charge. I think it was the new "docsis" but that may be
> >> the wrong word. This year I upgraded to a "business" account and it
> >> was a different modem altogether. Even came with, for $5.00 per month,
> >> a static IP address. "Business" account itself is $75.00 more per
> >> month, but does give them just 24 hours to fix any outages. Just like
> >> a hi-rise downtown, they now show up and fix it when my neighborhood
> >> goes down.
> >
> > If you do buy, stick with a name brand. The Motorola SB5120 may not be
> > cheap, but it's extremely popular and common. Many rentals are either
> > the 5120 or a variation of it.
> >
> Comcast recently replaced my rented Motorola modem with a
> Scientific-Atlanta model DPC2100R2. Together with their faster service,
> I'm now achieving 40 to 60 KB per second, using PC Mag's Surfspeed.
>
That's low by about a factor of 10.

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Posted by Ed Nielsen on June 28, 2007, 8:53 am
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Any DOCSIS 2.0 compliant modem will do. Some of the most popular ones are
Motorola SB5100 series and the RCA.

--

CIAO!

Ed N.


>
> I currently am signed up with Comcast High Speed internet service and am
> leasing a modem from them for $3/month. I am looking to buy my own
> modem. Can just about any cable modem be used and they are more or less
> the same or do I need one that is specifically compatible with Comcast?
>
>
> --
> buscuitboy
> ------------------------------------------------------------------------
> buscuitboy's Profile: http://www.futurehardware.in/members/4018.htm
> View this thread: http://www.futurehardware.in/600907.htm
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> http://www.futurehardware.in
>


Posted by Andrew Rossmann on June 28, 2007, 5:04 pm
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@DoNotSpam.com says...
>
> I currently am signed up with Comcast High Speed internet service and am
> leasing a modem from them for $3/month. I am looking to buy my own
> modem. Can just about any cable modem be used and they are more or less
> the same or do I need one that is specifically compatible with Comcast?

As others posted, most any DOCSIS 2 comliant modem will do.

The fun part is registering your modem. Unlike dial-up and most DSL,
cable companies typically use the modem's HFC MAC address for
authorization. When you change modems, you need to get the new HFC MAC
address registered.

For Comcast, when you connect an unregistered modem to their network,
you end up in a restricted area where you can get it registered. This
involves downloading some software. I did this once, and it worked, but
when I had some issues later and called tech support, their system still
had the OLD address! You are probably better off calling them and
letting them know you are changing modems. The HFC MAC address is
usually on the modem someplace.

--
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other useful resources:
The Federal Communications Commission (FCC)
Telecommunications Industry Association
Electronic and Software Security Products and Services
International Telecommunication Union

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