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Joined: Aug 2008
Posts: 1
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Joined: Aug 2008
Posts: 1 |
Hi
This may well have been asked before so apologies if I missed it.
I have recently removed an old Mercury DXM (Yeah I know, but I did work for them.. :shrug: ) as I have run out of cards and am installing a secondhand KXTA624CCU.
My problem is the socket required for a KX-T7130 Display phone.
Are there special sockets required as the ones I have used do everything, program, dial out, ring in but I get no tones of speech, just hiss. This means I can call someone or they can call me but I cannot hear them. Any help appreciated.
(You can imagine the problems I had converting the existing cabling.. :bang: )
Thanks again
PS This is a UK system installing in the UK
StevieBee
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Joined: Jan 2007
Posts: 2,116 Likes: 2
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Joined: Jan 2007
Posts: 2,116 Likes: 2 |
are you using a 2 pair cable connected to pins 2&5 and 3&4 on a bt socket
Sounds like you don't have the voice pairs connected
“I have not failed. I've just found 10,000 ways that won't work.”
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Joined: Apr 2007
Posts: 539
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Joined: Apr 2007
Posts: 539 |
Hi Stevie,
A little late on this, so I'm guessing you've probably solved the problem already, but the Panasonic proprietary phones just need a connection via a regular BT431A plug.
Voice pair (3/4 on PBX modular jack) goes to LJU terminals 2/5, data pair (2/5 on PBX jack) to LJU terminals 3/4.
The LJU needs to be a secondary jack WITHOUT capacitor, of course.
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