Date: Wed, 27 Jan 1999 18:43:16 -0800 From: Thordur Ivarsson <totii@est.is> To: Archie Cobbs <archie@whistle.com> Cc: "H. Eckert" <ripley@nostromo.in-berlin.de>, freebsd-isdn@FreeBSD.ORG Subject: Re: I4B support for US ISDN? Message-ID: <36AFCEC4.C8B6E315@est.is> References: <199901270422.UAA10140@bubba.whistle.com>
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Archie Cobbs wrote: > > 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 I heard rumor here in Iceland that some users connects with U interface and others with S0 interface. If you need very many basic rate lines and are willing to use U interface, you can, then telco does not install NT boxes. Þórður To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isdn" in the body of the message
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