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Re: Silent Phones
- To: ukha_d@xxxxxxx
- Subject: Re: Silent Phones
- From: "Patrick Lidstone" <patrick@xxxxxxx>
- Date: Thu, 12 Oct 2000 10:28:53 -0000
- Delivered-to: rich@xxxxxxx
- Delivered-to: mailing list ukha_d@xxxxxxx
- Mailing-list: list ukha_d@xxxxxxx; contact
ukha_d-owner@xxxxxxx
- Reply-to: ukha_d@xxxxxxx
> I presume, as you know more about these things than I, that my idea
of
> shunting the ring signal only but still passing CLID wouldn't be
> achievable? I thought they might be far enough apart in frequency
that you
> could reduce the ring signal on 2&5 enough with a simple filter to
stop
> phones ringing, without blocking the CLID data?
CLID data is pretty sensitive to line loading IME.
> What's the detail of the ring signal- is it 90V rms @16.3 Hz?
What's the
> CLID- 9600 baud data? Just pondering...
2400 baud. (I'm 90% sure - the other 10% favours 1200 baud. There's a
publically available SIN if you're really interested).
Patrick
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