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Date:      Mon, 5 May 1997 18:07:32 -0700 (PDT)
From:      Vincent Poy <vince@mail.MCESTATE.COM>
To:        Greg Stringfellow <greg@smokey.prismnet.com>
Cc:        Adam David <adam@veda.is>, freebsd-isp@FreeBSD.ORG
Subject:   Re: ISP Terminal Server Remote Site Requirements
Message-ID:  <Pine.BSF.3.95.970505180621.1286k-100000@mail.MCESTATE.COM>
In-Reply-To: <199705022128.QAA22402@smokey.prismnet.com>

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On Fri, 2 May 1997, Greg Stringfellow wrote:

> Adam David said:
> > X2 will work on any digital line, ISDN lines are digital lines that also
> > support ISDN. Perhaps all digital lines support ISDN with your telco.
> > Any modem server can be used for X2 since the modems don't care whether
> > the incoming connection is analog or digital (i.e. the modems look like
> > "fast modems"), but to get the most out of it you will need the new Z series
> > serial ports (to get compression bandwidth). Unfortunately there is no
> > FreeBSD driver available for them yet. Therefore, some legwork or brainwork
> > will be necessary to get Z-ports to work. On the other hand, how far away
> > are we from using Linux drivers with FreeBSD? That would be awesome! :)
> 
> Probably the easiest way I have seen to do X2 is to purchase a USR Total
> Control 8/I (I think that's the model #). It allows 8 BRIs in and has 8 DB25
> outputs. They might have a PRI version, or at least one in the works. I
> don't use USR TC gear, so I really don't keep up with it.

	The only problem in BRIs is that you need 8 BRI's going in while
with a PRI, it's just one PRI for 24 modems.

> > Another question though. Can X2 modems accept 56k connections from Rockwell
> > and Motorola (assuming them to be the 3rd player) modems?
> 
> No. No standard has really been set yet on a 56k analog protocol so it's
> either USR or everyone else.

	Besides the fact that FCC regulations only allow up to 53kBps even
on X2.


Cheers,
Vince - vince@MCESTATE.COM - vince@GAIANET.NET           ________   __ ____ 
Unix Networking Operations - FreeBSD-Real Unix for Free / / / / |  / |[__  ]
GaiaNet Corporation - M & C Estate                     / / / /  | /  | __] ]  
Beverly Hills, California USA 90210                   / / / / / |/ / | __] ]
HongKong Stars/Gravis UltraSound Mailing Lists Admin /_/_/_/_/|___/|_|[____]





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