From owner-freebsd-questions Sun Mar 15 15:52:18 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id PAA04685 for freebsd-questions-outgoing; Sun, 15 Mar 1998 15:52:18 -0800 (PST) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from sendero.simon-shapiro.org (sendero-fddi.Simon-Shapiro.ORG [206.190.148.2]) by hub.freebsd.org (8.8.8/8.8.8) with SMTP id PAA04671 for ; Sun, 15 Mar 1998 15:52:10 -0800 (PST) (envelope-from shimon@simon-shapiro.org) Received: (qmail 5977 invoked from network); 16 Mar 1998 00:00:48 -0000 Received: from localhost.simon-shapiro.org (HELO sendero-fxp0.simon-shapiro.org) (@127.0.0.1) by localhost.simon-shapiro.org with SMTP; 16 Mar 1998 00:00:48 -0000 Message-ID: X-Mailer: XFMail 1.3-alpha-031298 [p0] on FreeBSD X-Priority: 3 (Normal) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: Date: Sun, 15 Mar 1998 16:00:48 -0800 (PST) Reply-To: shimon@simon-shapiro.org Organization: The Simon Shapiro Foundation From: Simon Shapiro To: Adrian Filipi-Martin Subject: Re: Best IDSN? Cc: FreeBSD Questions List Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On 15-Mar-98 Adrian T. Filipi-Martin wrote: > On Sun, 15 Mar 1998, Simon Shapiro wrote: > >> >> On 15-Mar-98 Adrian T. Filipi-Martin wrote: >> > On Sat, 14 Mar 1998, Virgil Champlin wrote: >> > >> >> >> Can anyone suggest a good ISDN TA? I am leaning towards an >> >> >> internal Courier I or a Sporster ISDN? Should I be looking at >> >> >> anything else? >> >> >> >> I've had very good luck with the Motorola Bitsurfr Pro. Both with >> >> Win95 >> >> clients dialing in and FreeBSD boxes peering. -virgil >> > >> > Are you using an internal model? Is there an advantage to the >> > Bitsurfer Pro? I could find few references to models in use when >> > searching the mailing list archives. The Sportster seemed to be one >> > of >> > the fist mentioned. >> >> I belive there is an internal version, althogh I do not know what the >> advantage of tat will be. As long as it appears to the system as an sio >> class device. >> >> I am using an external one with 230,400 baud rate rather well for >> several >> years. Never had one fail, or mulfunction in any way. > > What kind of UART's does your serial hardware use? My boca 6 port > uses 16550A's, which I believe are only good upto 115Kbaud. I want to > avoid getting an aditional serial board with 16650's. The same junk. Only with a jumper to double the clock rate. Unix still thinks this is 115,200, but in reality it is exactly double. There was a long discussion on this part several times. Lst time I triggered it under the heading of silo overflow, or some such. My undestanding at the end was that the FreeBSD way of handling this device (or the device ``genetics'') are such that at high baud rates, there will be an occsional character drop. If you locate an ISDN TA that does NOT use a serial UART, but it's own interface, and for the US market, please let me know. In the meantime I am looking at SDLC/HDLC and frame relays. ---------- Sincerely Yours, Simon Shapiro Shimon@Simon-Shapiro.ORG Voice: 503.799.2313 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message