Re: [EFM] Interesting headline
Vladimir,
Are there already chip vendors that have the ITU-T standard PHYs available
for market?
Thank you,
Roy Bynum
At 04:08 PM 5/23/2002 -0400, Vladimir Oksman wrote:
>Bob,
>
> does it mean you have a sympathy to the idea of EFM based on standard
>ITU-T PHYs? This is what I concluded from your message.
>
>Vladimir
>
>Bob Barrett wrote:
>
> > Those that remained in Edinburgh until the bitter end of the interim at
> > seven PM Wednesday, would have woken to see the headline on the business
> > section of The Scotsman on Thursday morning reporting:
> >
> > EFM future in doubt .....
> >
> > The EFM in this instance is the Edinburgh Fund Managers. If I was at home I
> > would scan the headline and post it on my web site, not post it as a zip
> > file :^). I'll bring it to the July meeting.
> >
> > However, given the deadlock in the copper track these may be prophetic
> > words.
> >
> > It all comes down to rate and reach. So to cut to the chase what is
> required
> > is a copper PHY and coding scheme that can support 10Mbit/s and a reach of
> > 22k feet, and preferably a new specification, so that no major
> manufacturer,
> > industry body or other standards body has an axe to grind.
> >
> > So I guess I am supporting Scott's call for the chip vendors to bring their
> > finest forward at the July meeting.
> >
> > There are plenty of Ethernet over copper products out there today based on
> > existing non-IEEE PHYs that work at sub-rates with long reach. There is
> > little point in trying to shoe-horn one of these into EFM. The fighting is
> > all about not letting the other camp win, because we all know that none
> will
> > get 75% unless everybody bar one camp quits, and that will not happen. So
> > can we let them go as first generation, or whatever, and get on with the
> > next generation please?
> >
> > These products can already be labelled Ethernet as they have a conformant
> > Ethernet port, so the marketing argument doesn't fly, and I don't buy the
> > 'buy it at Frys' argument either. I have never seen a Fry's outside of
> > California ;-). Seriously, the copper to your home and your service
> provider
> > will define what type of product you can use. The nearest that we will get
> > to an open market is the SP providing a list of products that will work on
> > the end of their copper.
> >
> > Best regards
> >
> > Bob