RE: How do I tell whether the phone's ringing?

["Paul Gordon" <paul_gordon@xxxxxxx>]

So.. my idea was sound, I just missed out suggesting the opto-isolator
then?...

Paul G.





>From: "Keith Doxey" <ukha@xxxxxxx>
>Reply-To: ukha_d@xxxxxxx
>To: <ukha_d@xxxxxxx>
>Subject: RE: [ukha_d] How do I tell whether the phone's ringing?
>Date: Wed, 5 Dec 2001 20:41:01 -0000
>
>NO !!!!
>
>Your phone line wouldnt work properly and the merest hint of a storm
would
>send HomeVison to that skip in the sky.
>
>You can use a resistor and opto-isolator connected between the Bell
wire
>(3)
>and the A wire (5). Simply wire it to a HV port. Total cost about a
quid.
>
>I will see if I have got one and have a play.
>
>Keith
>
>-----Original Message-----
>From: Paul Gordon [mailto:paul_gordon@xxxxxxx]
>Sent: 05 December 2001 15:33
>To: ukha_d@xxxxxxx
>Subject: Re: [ukha_d] How do I tell whether the phone's ringing?
>
>
>complete guess...
>
>couldn't you just conect the "bell" wire from your phone line
to a HV input
>port, protected by a suitable drop-down resistor, as I suppose a phone
line
>supplies something like 50V or so....
>
>But I'm sure the Doxeyman will provide a sensible answer!
>
>Paul G.
>
>
>
>
>
> >From: "Mark Harrison" <Mark.Harrison@xxxxxxx>
> >Reply-To: ukha_d@xxxxxxx
> >To: <ukha_d@xxxxxxx>
> >Subject: [ukha_d] How do I tell whether the phone's ringing?
> >Date: Wed, 5 Dec 2001 12:55:41 -0000
> >
> >Before I start, let me pre-empt any responsese along the line of
> >"listen", OK :-)
> >
> >Seriously, I'd like Homevision to "do stuff" when the
phone's ringing.
> >
> >The "stuff" would initially be along the lines of
> >
> >     If I'm watching a DVD, Laserdisk of Video, then pause it
> >     If I'm watching broadcast TV or playing MP3s on the DDAR then
turn
> >the volume down a fair bit
> >
> >... but might turn into
> >
> >     [DVD, Laserdisk, VCR]...and then swtich the Telly to the
> >"Homevision" channel and display the incoming number
> >
> >Let's shelve the "how do I get the incoming number" bit
for the time
> >being, and concentrate on the "how do I tell the phone's
ringing"?
> >
> >Any suggestions? I want a _device_ that either plugs into an input
port
> >on HV or sends an X-10 command. I don't want either a bit of PC
> >software, nor a kit/circuit diagram ... unless it's also
accompanied by
> >an offer to make it up for me - anyone who's ever seen me
soldering will
> >understand why I feel this way :-)
> >
> >Regards,
> >Mark Harrison
> >Head of Systems, eKingfisher
> >
>
>
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