[OLUG] Modem

[Adam Korab]

On Sun, Jun 11, 2000 at 12:20:38AM -0500, Daniel Pfile wrote:
> a 56k connection, which is 56k down to you, and 33.6 up to the isp, 
> relies on there being a digital connection between the isp and the phone 
> company. when you dialed to your computer, you didn't have that digital 
> connection, so you didn't see a fast connect... you got the max an 
> analog connect could do, which is 33.6. if you wanted to have a dialup 
> pool that would support 56k, you would need to get a digital connection 
> from the phone company, and probobly a term server. The isp i used to 
> work at had a term server with a set of t1s (instead of normal phone 
> lines) for dialup going to the telco. When the user called us, their 
> call would come in over the t1s, and into our term server's usr modems.

It should be noted that these are channelized T1's that have 24 channels
-- 23 64kbps channels for dialup, and one 16kbps control channel.  It's
possible that your ISP is also using BRI or PRI ISDN circuits for 56k
access.

A good site with all sorts of stuff about this is http://www.56k.com.
You might also look at http://www.808hi.com.

--Adam
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