One other thought. The term "symbol" sometimes gets used for non-data 
values. For example, Token Ring has a j and k symbol used in the starting 
and ending delimiters. These are intentional violations of differential 
manchester encoding. I haven't heard that Ethernet has anything like that 
when manchester encoding is used, but it might.

Priscilla

At 07:25 PM 5/31/01, hal9001 wrote:
>Thanx for that!
>
>karl
>----- Original Message -----
>From: "Priscilla Oppenheimer"
>To: "hal9001" ;
>Sent: Friday, June 01, 2001 12:05 AM
>Subject: Re: Manchester symbols [7:6655]
>
>
> > The original 10-Mbps Ethernet II and 802.3 standards use Manchester
> > encoding for all media types. Manchester encoding specifies that a bit
> > period is divided into two equal intervals and there is always a
>transition
> > from either high to low or low to high in the middle of the bit period. A
> > binary zero is high first and then low. A binary one is low first and
then
> > high. I haven't heard these called symbols, but perhaps your reference
> > calls them symbols.
> >
> > Priscilla
> >
> >
> > At 07:09 PM 5/31/01, hal9001 wrote:
> > >Thanx for that any idea about the symbols?
> > >
> > >Karl
> > >----- Original Message -----
> > >From: "Fred Ingham"
> > >To: "hal9001" ;
> > >Sent: Thursday, May 31, 2001 11:45 AM
> > >Subject: Re: Manchester symbols [7:6655]
> > >
> > >
> > > > Manchester encoding is used on 10 Mbps Ethernet, Differential
>Manchester
> > > > encoding is used on token ring.
> > > >
> > > > Fred.
> > > >
> > > > hal9001 wrote:
> > > > >
> > > > > Something to do with Ethernet Encoding I fink...anyone else?
> > > > >
> > > > > Karl
> > > > > ----- Original Message -----
> > > > > From: "g_study"
> > > > > To:
> > > > > Sent: Thursday, May 31, 2001 9:07 PM
> > > > > Subject: Manchester symbols [7:6655]
> > > > >
> > > > > > What are Manchester symbols?
> > ________________________
> >
> > Priscilla Oppenheimer
> > http://www.priscilla.com
________________________

Priscilla Oppenheimer
http://www.priscilla.com




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