An ISP of their own (was RE: [rescue] Being jobless)

Phil Stracchino alaric at
Wed Jul 30 12:23:20 CDT 2003

On Wed, Jul 30, 2003 at 01:16:06PM -0400, Dave McGuire wrote:
> On Wednesday, July 30, 2003, at 01:08 PM, Steve Sandau wrote:
> >>>The old T1 in the last building just arrived as 4 copper wires from 
> >>>the demark just like the phone lines. Dunno what "format" that was, 
> >>>but there was no internal electronics at all..
> >>That would be HDSL.  1.5 megabits over two pairs, 2 megabits over 3
> >>pairs, maximum range about 20,000 feet.
> >
> >I thought it was not, since the HDSL we have requires a box on the 
> >wall in our office. the old setup had 4 copper wires that came in off 
> >the pole and went right into a CSU/DSU.
>   It's not.  HSDL didn't exist in 1972, and T1s sure did.  T1/DS1 is a 
> baseband digital protocol that runs relatively high voltages (compared 
> to POTS lines) over bare copper.

1972?  I must have misunderstood.  I guess i misinterpreted "just

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