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Article #1259Re: Internal Modem Problem - NO DIALTONE (analogue problem?)
From: John Chapple
Date: Mon, 20 Oct 1997 00:00
Date: Mon, 20 Oct 1997 00:00
46 lines
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2738 bytes
In article <877171630snz@longley.demon.co.uk>, David Longley <David@longley.demon.co.uk> writes >In article <877106093snz@inf-eden.demon.co.uk> > News@inf-eden.demon.co.uk "Chris Kennington" writes: > >> In article <876818758snz@longley.demon.co.uk> >> David@longley.demon.co.uk "David Longley" writes: >> >> "The modem is recognized by the PC in DOS, and responds to AT >> "commands with OK and passes diagnostics. The problem is that it >> "never picks up the line and always responds with NO DIALTONE. >> " >> "I've swapped leads and suspect a problem in the analogue side of >> "the board, maybe a relay? >> >> Well, David, after reading the other posts, you can easily >> tell if it is a dialtone problem or something more deep-seated by >> setting it to blind-dial ..... >> >> Also, set it to "speaker always on" and report on the noises >> heard! >> >> Presumably you are aware that dialtones vary widely across the >> world? In many places (such as my friends in Nepal), >> blind-dialling is de rigueur. >> >> Chris >> -- >> Chris Kennington (in news-reader mode) >> Reply to me as "cjk <at> inf-eden.demon.co.uk", replacing the <at> >> >> >I'm pretty sure its a bad relay or transformer on the analogue >side. I need these components but don't know where to get them - >anyone got a dead (on the digital side) 1428VQH? Hi David! Maplins (UK) supply several that may fit, you need to check the pin alignment (they're usually the rectangular blocks with about 6/8 feet underneath! (good description :-)!!) If you're lucky they'll actually give the type on the case regards John Chapple Phone(+44) 1233 712868 'There are too many bright lights going out' (*not* Diana!) Fax(+44) 1233 713698 Dave Powers (esp relevant now: see www.dti.gov.uk/pubs & pgp)
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 10c6a1,ff0d73fc84201cca X-Google-Attributes: gid10c6a1,public X-Google-Thread: 1036bc,ff0d73fc84201cca X-Google-Attributes: gid1036bc,public X-Google-Thread: 1131b0,ff0d73fc84201cca X-Google-Attributes: gid1131b0,public From: John Chapple <jc@ch-w.demon.co.uk> Subject: Re: Internal Modem Problem - NO DIALTONE (analogue problem?) Date: 1997/10/20 Message-ID: <NoBxOPAr0vS0EwLH@ch-w.demon.co.uk> X-Deja-AN: 281947131 References: <876818758snz@longley.demon.co.uk> <877106093snz@inf-eden.demon.co.uk> <877171630snz@longley.demon.co.uk> Distribution: world X-NNTP-Posting-Host: ch-w.demon.co.uk [158.152.32.219] Organization: Chapple Hamlin-Wright Newsgroups: sci.electronics.repair,demon.tech.pc,comp.periphs