Cottonwood Question?

[mike havens]

will the sb5100 still be usable?

On Tue, Jul 28, 2009 at 11:31 PM, Michael Butash <michael at butash.net> wrote:

> David,
>
> No, sorry to say, but you can't upgrade via firmware.  New docsis 3.0
> uses something of a MIMO-kind of muxing of multiple upstream/downstream
> channels, much the way 802.11n does, or some of the bastard hack
> variants of 802.11g do for "speed boost" resulting in increased
> bandwidth.  This requires more granular/precise clocking, faster
> processing, whole new chipsets, and a gigabit ethernet port (150mb/s
> theoretical max downstream) to achieve this.  The only modem I know of
> on the market currently is the Motorola Surfboard 6120, which frys sells
> for around 90 bucks.
>
> If I'm not mistaken, I think 2.0 is good to around 12-15mb/s tiers
> because it does some channel-bonding itself, just not to the level to
> get the 25mb/s down cox is starting to roll out, or the 50mb/s
> charter/comcast are on the east cost.
>
> -mb
>
>
> On Tue, 2009-07-28 at 17:19 -0700, David Munson wrote:
> > Anyone know if existing 2.0 compliant cable modems can be updated to
> > support 3.0 (presumably via firmware), or will I have to get a new
> > cable modem once 3.0 is rolled out in my area?
> >
> > I have a Linksys BEFCMU10 cable modem and it's served me well for the
> > past 5 years, but I haven't seen anything from Linksys (geared for
> > home use, anyway) that's DOCSIS 3.0 compliant.
> >
> > On Tue, Jul 28, 2009 at 2:03 PM, Michael Butash <michael at butash.net>
> > wrote:
> >         Most any will work, just avoid the really cheap/off-brand ones
> >         (best-data frys specials are known by cox to have issues with
> >         latest
> >         infrastructure code, now unsupported).  I'd recommend making
> >         sure it's
> >         at least docsis 2.0 capable, and if you want the really high
> >         tiers of
> >         service (15mb+) get a motorola 6120, as they support docsis
> >         3.0 which is
> >         rolling out now.
> >
> >         -mb
> >
> >
> >
> >         On Tue, 2009-07-28 at 12:54 -0700, Jason Holtzapple wrote:
> >         > mike havens wrote:
> >         > > that was probably a stupid quesxtion; is a cable modem a
> >         cable modem...
> >         > > meaning any of them will work on any system?
> >         >
> >         > If cox is the provider, they have a supported list:
> >         >
> >         > http://support.cox.com/sdccommon/asp/contentredirect.asp
> >         >
> >         > I have and use a Motorola SB5101 and have no issues.
> >         >
> >         > --Jason
> >         >
> >
> >
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-- 
:-)~MIKE~(-:
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