An ISP of their own (was RE: [rescue] Being jobless)
alaric at caerllewys.net
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
.********* Fight Back! It may not be just YOUR life at risk. *********.
: phil stracchino : unix ronin : renaissance man : mystic zen biker geek :
: alaric at caerllewys.net : alaric-ruthven at earthlink.net : phil at latt.net :
: 2000 CBR929RR, 1991 VFR750F3 (foully murdered), 1986 VF500F (sold) :
: Linux Now! ...Because friends don't let friends use Microsoft. :
More information about the rescue