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echo: tech
to: Leonard Erickson
from: Bo Simonsen
date: 2003-05-05 00:58:22
subject: What`s this??

Hello Leonard!

04 May 03 14:34, you wrote to Roy J. Tellason:

 RJT>> Leonard Erickson wrote in a message to mark lewis:

 LE>> But if run "raw" you can get rather better than 24 connections.

 RJT>> What does that mean?

 LE> Using the T-1 as a "raw" data pipe instead of
"formatting" it into the
 LE> 24 B channels and a D channel.

 LE> With 24B+D "formatting", you may only get 24*56k (1.344mbps) or at
 LE> most 24*64k (1.536 mbps).

The most normal is 30B+D, here in Denmark. Or 2B+D (normal ISDN).

But actually can one D channel handle so mutch? As far as i know isn't it
more than 9600 bps. I can see it's enought to handle signaling, caller-id
transfering, etc. But to 30B channels?

Regards, Bo

... "640K ought to be enough for anybody" Bill Gates 1981
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