Article View: uk.comp.sys.mac
Article #418Re: Is it my Mac, my modem, my line or Demon?
From: Bob Kenyon
Date: Tue, 19 Jan 1999 00:00
Date: Tue, 19 Jan 1999 00:00
41 lines
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2756 bytes
In article <B2C918319668B610F@cara.demon.co.uk>, peter@cara.demon.co.uk (Peter Ceresole) wrote: > In article <916670544.29352.0.nnrp-03.9e981d17@news.demon.co.uk>, > "SEG" <seg@technologist.com> wrote: > > >I'm no telecoms expert, but this seems to indicate to me that X2/V90 is > >rather (very?) sensitive to the physical connection/cable conditions. > > > >I hope that one of the experts in this group might come up with a better > >(and preferably on-topic!) answer... > > No; you seem to have got it fairly right. > > One possible bit of help would be to extent the carrier loss wait time. > It's the time for which the modem hangs on to the connection if it detects > a loss in carrier. A normal default would be a bit under a second. But that > means that if the line goes dodgy for even a short burst, the modem drops > the connection. You can extend the carrier loss wait time, usually by > changing the value of a register using an "ats(x)=nn" command where (x) is > the number of the register in question and "nn" is the duration you want. > Five seconds is a reasonable value. The number of the register you will > have to find out from the manual or by interrogating the modem to get the > list of registers (also with an "at" command- it's "ats$" for a Courier but > probably not for your modem...) I used S10=30 on my Global Village but the Pace manual doesn't mention S settings. > However this may not solve your problem. Some V90 implementations are > simply dodgy. People are reporting line drop problems which are > miraculously solved by flashing to a newer and better version of the modem > firmware. See if there's anything later available for your model. Yes, there are lots! So I'll wait a bit for advice. -- Regards Bob, Bob Kenyon email: bob@raspbrry.demon.co.uk
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: fc20b,6fb2849a9d9d547d X-Google-Attributes: gidfc20b,public X-Google-Thread: fad9d,6fb2849a9d9d547d X-Google-Attributes: gidfad9d,public X-Google-Thread: 102a94,b6c027ae7701af6d X-Google-Attributes: gid102a94,public From: bob@raspbrry.demon.co.uk (Bob Kenyon) Subject: Re: Is it my Mac, my modem, my line or Demon? Date: 1999/01/19 Message-ID: <bob-1901990020570001@raspbrry.demon.co.uk> X-Deja-AN: 434214071 X-NNTP-Posting-Host: raspbrry.demon.co.uk:158.152.60.90 References: <bob-1701992056510001@raspbrry.demon.co.uk> <916670544.29352.0.nnrp-03.9e981d17@news.demon.co.uk> <B2C918319668B610F@cara.demon.co.uk> X-Trace: news.demon.co.uk 916705263 nnrp-12:22655 NO-IDENT raspbrry.demon.co.uk:158.152.60.90 Organization: Raspberry Computing Ltd. Newsgroups: uk.comp.sys.mac,demon.tech.modems,demon.service X-Complaints-To: abuse@demon.net