Re: 56K Modems

Michael Whisenant ( )
Fri, 13 Feb 1998 12:08:18 -0600

True, and if you are getting a PRI, have a clean low noise line, between
3db and 5db of loss, then you can achieve upto 54666 connections and
transfer compressed files at 6.3K. The normal 53,333 limit is set as a
default setting to eliminate crosstalk in the wiring pairs. I am less than
1200 feet to the CO and I have increased the power output 2db without
creating crosstalk.

At 11:36 PM 2/10/98 -0500, you wrote:
>I will keep it short. You are not seeing a 56k connection...plain and
>simple. 4k is achievable with a 33.6 connection with good compression,
>which you are probably seeing.
>Not saying I don't believe just not anywhere in black and white,
>nor from any of our lab results. But hey if you are happy and it works for
>you....tear it up. This just would never work in an ISP nor telecommuting
>environment. I would hate to see the person who originally asked the
>question go out and buy a 16 port digi and 16 usr x2's and try and setup
>shop....he would probably come looking for you... ;)
> There are three primary requirements for x2 speeds to be achieved. They
> 1.Digital at one end. This end is where the x2 server lies. The
>digital line
> servicing the x2 server must be an ISDN PRI, ISDN BRI or a
>"trunk-side" T1.
> This item is taken care of by the ISP/Online Service. Simply
>asking your
> ISP/Online Service if they support x2 will be good enough to
>verify this
> requirement.
> 2.x2 support at both ends. In order to achieve x2 speeds, both ends
>of the
> connection must support x2. In other words, you must have an x2
> modem(called an x2 client) on your end and your ISP/Online Service
> have an x2 device on their end(called an x2 server). To check for
>x2 support
> on the server side, talk to your ISP/Online service about x2
> 3.One analog section. This is the section most relevant to you. In
>almost all
> residential homes, the phone line going into your modem or phone is
> analog. This does not mean that it is all analog to the CO(Central
> which is a very important aspect.
>At 02:00 PM 2/10/98 -0800, John Barret wrote:
>>No, you are wrong. :) No offense, but you can setup a standard POTS line
>>between two 56K modems and get 56K (almost). The hitch comes in when you
>>shuv it through a telco, where it then becomes converted several times back
>>and forth if the incoming is analog instead of digital.
>Rik Thomas
>Rik on the OS Wars: "I run them all, in no way do I like any OS, some more
>than others piss me off!, just like people"-Rik Thomas
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