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Date:      Thu, 19 Feb 1998 08:48:48 -0300 (EST)
From:      Luiz de Barros <luiz@nlink.com.br>
To:        isp@FreeBSD.ORG, hardware@FreeBSD.ORG
Cc:        jhay@mikom.csir.co.za
Subject:   Riscom /N2 + Fractional E1.
Message-ID:  <Pine.BSF.3.96.980219083748.23626F-100000@mirage.nlink.com.br>

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Dear ALL,


I have come to a strange problem with a Riscom/N2 card running on a
FreeBSD-2.2.5-Stable system. 

The card is working very well with a 64Kbps Syncronous V.35 interface
leased link with CSU/DSU provided by the phone company. I have everything
working fine, HDLC, etc.

I have another link, a 256Kbps Fractional E1 from a RAD FCD-2L G.703 to
V.35 converter and fractioner, with a cable provided by RAD that does not
want to work with the Riscom/N2. Did anybody already have a similar
problem? What signals are necessary for the card to work with this kind of
link?  Will i have to convert the signals to X.21? How? This link is
working with no problem on a IBM 2210 Router and i
would like to switch it to FreeBSD. 


Any help is welcome.

Luiz
Nlink ISP


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