[10GBASE-T] CAT 5e Vs 1GBase-T
Hello there,
I am wondering if there's information the capability of using CAT 5e cable
on 1GBase-T ehternet/switch.
Regards
Soegi Hartono
> >----- Original Message -----
> >From: <xichen@marvell.com>
> >To: <stds-802-3-10gbt@ieee.org>
> >Sent: Tuesday, January 14, 2003 2:44 PM
> >Subject: [10GBASE-T] The channel model
> >
> >
> > >
> > > I would like to propose the following channel and noise model. Then
we
> > > can work together to come up with a model that all of us agree on.
> > >
> > > 1. Channel insertion loss model: refer to the RLCG model on page 47
of
> > > T1E1.4/2000-002R6. Then calibrate the insertion loss (100m) at 100MHz
to
> > > 21dB for CAT-6 and 24dB for CAT-5/5E.
> > >
> > > 2. NEXT model: ~f^(1.5)n^(0.6) where n is number of disturbers. In
our
> > > case, n=3. Then calibrate the NEXT at 100MHz to -31dB for CAT-5E
> >and -40dB
> > > for CAT-6.
> > >
> > > 3. ELFEXT model: ~f^(2)n^(0.6) where n is number of disturbers. In
our
> > > case, n=3. Then calibrate the ELFEXT (100m) at 100MHz to -19dB for
CAT-5E
> > > and -24dB for CAT-6.
> > >
> > > 4. ANEXT model:
> > > CAT-5E: max[-65, -38+15log10(f/1e8)] dB
> > > CAT-6: max[-65, -41+15log10(f/1e8)] dB