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Date:      Tue, 26 Jan 1999 20:22:24 -0800 (PST)
From:      Archie Cobbs <archie@whistle.com>
To:        ripley@nostromo.in-berlin.de (H. Eckert)
Cc:        freebsd-isdn@FreeBSD.ORG
Subject:   Re: I4B support for US ISDN?
Message-ID:  <199901270422.UAA10140@bubba.whistle.com>
In-Reply-To: <19990127024215.A15392@nortobor.nostromo.in-berlin.de> from "H. Eckert" at "Jan 27, 99 02:42:16 am"

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H. Eckert writes:
> Quoting William McVey (wam@sa.fedex.com):
> > I have Sportster ISDN card (an ISA card which apparently is a passive
> > ISDN device) inside a FreeBSD 2.2.8 device. 
> 
> Please take a close look and cite the chips' labels.

Yeah... :-)

> > All I know is that I connect the ISDN card into the wall via a
> > standard category 5 cable with RJ45 connectors.  The connection is at
> > my house and is targetted for residential use.  
> 
> Sounds pretty muche like S0 to me (8pin RJ45 with 4wire cable)
> but then I've never seen a US style U-interface so far.  What I
> know of the U-side of things is a 2wire cable that sticks into
> NTBA.

If you live in the US and you got an ISDN line from the phone
company, and didn't purchase any thing else (like a little box
called an NT1), then you have a U-interface.

Usually the telco (actually, whoever you hire to do your inside
wiring) wires up an RJ-45 if it's a new line. But if
they're reusing and existing twisted pair that already terminates
at an RJ-11 jack, they might just use that.

-Archie

___________________________________________________________________________
Archie Cobbs   *   Whistle Communications, Inc.  *   http://www.whistle.com

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