Subject: From: Date:

Re: [ECS] Phone Interface-C Bill Walters Fri, 14 Jan 2000 09:55:45 -0600

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Yep but you'd have to watch out for the voltage; I'd prefer the simpler
route, that of just having circuit closure.


Bill

----- Original Message -----
From: Kevin Keast <libertyc@prodigy.net>
To: <ecs-list@netbloc.com>
Sent: Friday, January 14, 2000 9:14 AM
Subject: RE: [ECS] Phone Interface-C


> Bill,
>
> I was wondering if that would work.  Radio Shack also has a off/on hook
> detector with a simple light.  That should work too, wouldn't you think-as
> long as the output doesn't pose a threat to the HV port, right?
>
> Thanks,
>
> Kevin
>
> -----Original Message-----
> From: Bill Walters [mailto:wtwalters@home.com]
> Sent: Wednesday, January 12, 2000 11:08 PM
> To: ecs-list@netbloc.com
> Subject: Re: [ECS] Phone Interface-C
>
> Kevin,
>
> I went to Radio Shack and bought the little "telephone recorder" control
> device...  You plug it into any telephone line and it will turn "on" the
> motor control line of any cassette recorder...  I simply connected that to
> one of my digital inputs....   The device only closes a circuit when it
> detects "off hook"...   (I didn't use the other part of the device, the
part
> which plugs into the microphone of a tape recorder.......)
>
> Bill Walters
>
> ----- Original Message -----
> From: Kevin Keast <libertyc@prodigy.net>
> To: ECS <ecs-list@netbloc.com>
> Sent: Tuesday, January 11, 2000 4:38 PM
> Subject: [ECS] Phone Interface-C
>
>
> > Please correct me if I'm wrong....
> >
> > Phone Interface C CANNOT detect on-hook off hook right?
> >
> > I have a HV and was thinking of putting together a simple on-hook
circuit
> to
> > input into port B on the HV.
> >
> > Does anyone do anything else to determine if the phone is in use or not?
> >
> > Thanks
> >
> > Kevin
> >
> >
>

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