ArcNet and the Pursuit of Multiple Topologies

From: Pete Turnbull <pete_at_dunnington.u-net.com>
Date: Mon Oct 15 16:16:52 2001

On Oct 15, 13:20, Derek Peschel wrote:
> On Mon, Oct 15, 2001 at 11:18:10AM -0700, Ethan Dicks wrote:
>
> > 10BaseT can use CAT-3 or better. 16mbps Token Ring needs [...]
>
> Now I'm thinking that the "T" in "10BaseT", "100BaseT4", etc. and the T
in
> the line capacities "T-1", "T-2", etc. are the same thing. Is that true?

Maybe. The 'T' in "10baseT" etc is the same 'T' as in "UTP" -- unshielded
twisted pairs. I don't know what the 'T' in "T1" stands for. It might be
the same as one in "AT&T" since they coined the term, or it might mean
"twisted pair" because that's how T1 lines were originally made. T1, BTW,
is 1.544Mb/s, and T3 is 44.736Mb/s; AFAIK there's no such thing as T2. A
bit like ISDN; there's ISDN2, ISDN6, ISDN30, but no others.

> And is there a "10BroadT"? :)

Nope.

-- 
Pete						Peter Turnbull
						Network Manager
						University of York
Received on Mon Oct 15 2001 - 16:16:52 BST

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