Re: Re: Phone cable wiring for HomeVision Phone/Serial add on...

["Frank Mc Alinden" <fmcalind@xxxxxxx>]

Hi Andy
Is the unit a brand new unit sourced  in the UK ...???....I
recently tried to get the phone/serial unit but apparently it doesnt detect
the Aussie dial tone and did some googling looking for a chip that was
suitable for aussie...Looks like theres a different chip for the UK..
Cant you trace the connections on the pcb for the line in ????
Frank

----- Original Message -----
From: "Andrew Kilgore" <amkilgore@xxxxxxx;
To: <ukha_d@xxxxxxx;
Sent: Saturday, February 07, 2004 9:29 PM
Subject: Re: [ukha_d] Re: Phone cable wiring for HomeVision Phone/Serial
add
on...


> The story so far (today)...
> I initially tried:
>
> BT Pin 2 ---> RJ Pin 2
> BT Pin 5 ---> RJ Pin 3
>
> This didn't appear to work, so I swapped the wires round (BT 2 ->
RJ 3, BT
5 -> RJ 2).
> This gave slightly better results: HV could now detect on/off hook but
could not receive or send any DTMF tones.
> Swapping back to the original setup (above) results in receiving SOME
DTMF
tones, no joy sending DTMF or detecting on/off hook conditions (plus added
some noise to the line).
>
> Any ideas...?
>
> (Surely someone out there has one of these and could just check the
cable
for me ;o))
>
> Thanks,
> Andy.
>   ----- Original Message -----
>   From: Richard Malcolm-Smith
>   To: ukha_d@xxxxxxx
>   Sent: Saturday, February 07, 2004 10:08 AM
>   Subject: Re: [ukha_d] Re: Phone cable wiring for HomeVision
Phone/Serial
add on...
>
>
>   Andrew Kilgore wrote:
>
>   > Hi David,
>   >
>   > Think I will try it again with just 2 wires connected...
>
>   A lot of devices over there bring the line out on the outer pair, as
that is the
>   often unused second line in the building wiring.
>
>   If you use a cable with all 4 wires intact, you end up shorting out
your
ringer
>   capacitor in the phone socket, depending on polarity, either all
phones
will
>   ring nonstop or you will have a line that cuts callers off as soon
as it
rings.
>
>   Try with 2, and if that works you may need to make up a breakout
style
cable to
>   get your phones downstream of the device, I had to do that with my
US
sourced
>   fax switch some time back. It however shipped with 2 or 3 adaptors
to
allow you
>   to plug phones into the second pair so the need for it was a bit
more
obvious.
>
>
>   [Non-text portions of this message have been removed]
>
>
>
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