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Article #3055Re: V34 Internal Modem Reports "NO Dial Tone"...
From: David Longley
Date: Sun, 25 Feb 1996 00:00
Date: Sun, 25 Feb 1996 00:00
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1882 bytes
In article <825214602snz@longley.demon.co.uk>
David@longley.demon.co.uk "David Longley" writes:
> I have an internal V34 half slot modem which is reporting "No Dial Tone" when
> I try dialing out. It only allows X1, X2 X3 and X4, and only X2 and X4 sense
> dial tone. When set to X1 and X3 it tone dials OK, but there is no dialtone.
>
> I've checked the cable by plugging a phone into the socket on the modem marked
> PHONE and I can hear the line pulsed as the modem starts to dial but that's
> all. I've run internal diagnostics on the modem and the terminal <--> modem
> checks out fine. I get an OK from ATZ and there's no problem doing an AT&F.
> I've tried it in several diferent slots too.
>
> I've tried cleaning the pins inside the socket......anyone got any suggstions
> where to look next?
> --
> David Longley
>
Problem solved.
I had thought of the possibilities mentioned in the suggestions in this thread
and was of course absolutley wrong. It turned out to be a loose jumper on one
of the I/O or IRQ configuration pins. I think it was shorting.
--
David Longley
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 10c6a1,f6854d8cfd612300 X-Google-Attributes: gid10c6a1,public X-Google-Thread: 1036bc,f6854d8cfd612300 X-Google-Attributes: gid1036bc,public X-Google-Thread: 1131b0,f6854d8cfd612300 X-Google-Attributes: gid1131b0,public From: David Longley <David@longley.demon.co.uk> Subject: Re: V34 Internal Modem Reports "NO Dial Tone"... Date: 1996/02/25 Message-ID: <825262313snz@longley.demon.co.uk> X-Deja-AN: 141036110 x-nntp-posting-host: longley.demon.co.uk references: <825214602snz@longley.demon.co.uk> x-mail2news-path: longley.demon.co.uk organization: Relational Systems & Technology reply-to: David@longley.demon.co.uk newsgroups: comp.periphs,demon.tech.pc,sci.electronics.repair