From owner-freebsd-questions Mon Dec 21 18:20:11 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id SAA03326 for freebsd-questions-outgoing; Mon, 21 Dec 1998 18:20:11 -0800 (PST) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from allegro.lemis.com (allegro.lemis.com [192.109.197.134]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id SAA03308 for ; Mon, 21 Dec 1998 18:20:06 -0800 (PST) (envelope-from grog@freebie.lemis.com) Received: from freebie.lemis.com (freebie.lemis.com [192.109.197.137]) by allegro.lemis.com (8.9.1/8.9.0) with ESMTP id MAA01298; Tue, 22 Dec 1998 12:49:41 +1030 (CST) Received: (from grog@localhost) by freebie.lemis.com (8.9.1/8.9.0) id MAA08528; Tue, 22 Dec 1998 12:49:42 +1030 (CST) Message-ID: <19981222124942.U85005@freebie.lemis.com> Date: Tue, 22 Dec 1998 12:49:42 +1030 From: Greg Lehey To: "Igor B. Bykhalo" , FreeBSD-questions Subject: Re: your mail References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.91.1i In-Reply-To: ; from Igor B. Bykhalo on Mon, Dec 21, 1998 at 06:44:53PM -0800 WWW-Home-Page: http://www.lemis.com/~grog Organization: LEMIS, PO Box 460, Echunga SA 5153, Australia Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-41-739-7062 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Monday, 21 December 1998 at 18:44:53 -0800, Igor B. Bykhalo wrote: > Good time of day everybody, > > I have a question on null-modem connection. > We are using SLIP over the leased line to > connect to our ISP. Modems we are using > have neither hardware flow control nor internal > buffers, and modems manufacturer confirmed > me that our line can be considered just as > the null-modem cable looking like: > > We ISP > RxD ---- TxD > TxD ---- RxD > DTR ---- DCD > DCD ---- DTR > SG ---- SG > > I found this layout different from the one > mentioned in Handbook(handbook187.html): > > TxD 2 ----------------------- 3 RxD > RxD 3 ----------------------- 2 TxD > DTR 20 ----------------------- 6 DSR > DSR 6 ----------------------- 20 DTR > SG 7 ----------------------- 7 SG > DCD 8 ----------------------+ 4 RTS* > *RTS 4 + + 5 CTS* > *CTS 5 +---------------------- 8 DCD There are hundreds of variants in this kind of cabling. > (How) must this be accounted for to ensure the proper line > functioning? You don't want crossover, since the modems do that for you. Just 1:1 wiring would be the best thing to try first. I know that SLIP is still in wide use in Russia, but I don't understand why. Can't you use PPP in this situation? The software is much better maintained. Greg -- See complete headers for address, home page and phone numbers finger grog@lemis.com for PGP public key To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message