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From: brian@MediaCity.com (Brian Litzinger)
Subject: Re: How to use Frame Relay line with FreeBSD
To: melvin@zytek.com (Stephen Melvin)
Date: Fri, 4 Aug 1995 11:48:52 -0700 (PDT)
Cc: freebsd-questions@freefall.cdrom.com
In-Reply-To: <199508041112.EAA04327@syzygy.zytek.com> from "Stephen Melvin" at Aug 4, 95 04:12:10 am
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[possible solutions to implements Frame Relay via a 56K on FreeBSD]

> Option A:
>      -----------     serial port      -----------   10bT
> >---|  CSU/DSU  |--------------------|  FreeBSD  |--------->
>      -----------     frame relay      -----------    IP
>         $200

> Option B:
>      --------------------  serial port   -----------   10bT
> >---|  CSU/DSU  |  FRAD  |--------------|  FreeBSD  |------->
>      --------------------     PPP        -----------   IP
>              $1000

> Option C:
>      --------------------   10bT    -----------   10bT
> >---|  CSU/DSU  |  FRAD  |---------|  FreeBSD  |------->
>      --------------------   IP      -----------   IP
>              $1300

> Option D:
>      ----------------------   10bT    ----------- 
> >---|  CSU/DSU  |  Router  |------+--|  FreeBSD  |
>      ----------------------   IP  |   -----------
>              $2000                |
>                                    \------------>

You can get option D from Imatek for $1100 or so. Router with
integrated CSU/DSU. However, talks FR/PPP via 56K only.

I use option A above with Emerging Technologies ETPCUX.25 sync
card for $695, plus a FT1 CSU/DSU for $695.  Which makes me
ready for 56K through 1.5mbits.
Then I get a FT1 FR connection from the phone company and I can buy 56K,
256K, 384K, or 1.5mbits ($125, $375, $575, $675, per month respectively).

The install cost of an FT1 is the same as a 56K circuit where I come from.
 
Brian Litzinger
brian@easynet.com