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Originally posted by Owain:
Connect the ZPM to the telephone system per fig 1 in the ZPM manual for a loop start trunk. Pair 1 T / R. Thank you for the reply I was afraid this was the main issue. There is no PBX and that is why I mentioned I tried various combinations within the manual. Also programming would be impossible as far as I can tell. Since setting up the loop start was the first thing you mentioned I figure we are sol.
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Originally posted by hbiss:
There is a reason why you guys and your teacher haven't a clue. It's not something an electrician should get involved with. For the record I am a Communications Electrician; all low voltage work so Integrated Sound would fall in my purview. On a side note I just want to be done with the class and hopefully never touch it again, Fire Alarm is mostly what I have done and I like it.
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Joined: Jul 2006
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Let's go back to that "loop start" part. These are the world's easiest instructions. Did you supply 24 volts DC to the system? You can now take a meter across terminal 1A and 1B and read that 24 volts. That's what powers the single line telephone, or a loop start trunk. It's the feed battery. It HAS TO WORK.
Did you catch the power on pins 4A and 4B and the jumpers on pins 2,3 and 5? Honest. It's pretty smiple :-) After your speakers are set, put a dead short across the 8th pair! Voila! Tone.
Carl
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Joined: Feb 2005
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Originally posted by TomWM: Originally posted by hbiss:
[b]There is a reason why you guys and your teacher haven't a clue. It's not something an electrician should get involved with.
On a side note I just want to be done with the class and hopefully never touch it again, Fire Alarm is mostly what I have done and I like it. [/b]Seeing that you are from Chicago I have a pretty good idea who is sponsoring this. "They" would be the ones to require a "communications electrician" on a job. From what I know of this and the sound industry, having to use you guys is like having hemmoroids. -Hal
CALIFORNIA PROPOSITION 65 WARNING: Some comments made by me are known to the State of California to cause irreversible brain damage and serious mental disorders leading to confinement.
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Joined: Jul 2001
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Moderator-Avaya-Lucent, Antique Tele
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There is no PBX and that is why I mentioned I tried various combinations within the manual. Also programming would be impossible as far as I can tell. Set it for loop start, and connect a regular single line telephone to terminal 1, A & B. Boom!, there's your PBX. Pick up the phone, and make your page, or enter the programming mode.
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Joined: Jun 2011
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Originally posted by TomWM:
There is no PBX and that is why I mentioned I tried various combinations within the manual. Also programming would be impossible as far as I can tell. If you want zoned paging without a PBX you have to use a DTMF phone as Touch Tone Tommy says. If you want zoned paging from a microphone then you've got the wrong equipment. Here's how to do telephone - paging interface with some relays and a uniselector. https://www.dfrtelecoms.org.uk/pancd.htm
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