Date: Wed, 18 Oct 2000 08:47:26 +0200 (METDST) From: hm@hcs.de (Hellmuth Michaelis) To: arg@arg1.demon.co.uk (Andrew Gordon) Cc: hm@hcs.de, freebsd-isdn@freebsd.org Subject: Re: ISDN S0 bus wiring configurations Message-ID: <20001018064726.A7EFD3E8@hcswork.hcs.de> In-Reply-To: <Pine.BSF.4.21.0010180131510.4316-100000@server.arg.sj.co.uk> from Andrew Gordon at "Oct 18, 0 01:33:31 am"
next in thread | previous in thread | raw e-mail | index | archive | help
From the keyboard of Andrew Gordon: > > > > I have put up a text about ISDN S0 bus wiring configurations at > > > > http://www.freebsd-support.de/i4b/isdn-cabling.txt > > > > Corrections and additions welcome! > > It seems odd that you mention only 75R and 150R cable impedance, when most > people probably use 100R cable (and termination is specified as 100R). This is how it can be read in I.430. As far as i understand it, every type of cable has to be terminated with 100 Ohms but the maximum length varies with the cable impedance. hellmuth -- Hellmuth Michaelis Tel +49 40 55 97 47-70 HCS Hanseatischer Computerservice GmbH Fax +49 40 55 97 47-77 Oldesloer Strasse 97-99 Mail hm [at] hcs.de D-22457 Hamburg WWW http://www.hcs.de To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isdn" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20001018064726.A7EFD3E8>