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Joined: Dec 2004
Posts: 5,722
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Okay, Ed, here we go! Sorry I can't give you the exact info on the set or ringer BUT ---- I have a 2500 marked "Cortelco" that I've carried on the truck as a test unit for the last 3 - 4 years. All the printed info on the bottom has been worn off. I cannot find any markings on the ringer although it is a 4A style ringer. TWO ringer leads Only. Uses the network cap. some of the ones prior had a cap but only two leads. Now the WECO 4A had the four leads, and to do party ringing on eight party lines it (depending on the type of CO) required a 425 (or 6) type tube with radioactive material to do the code ringing. Somewhere I still have a wiring card. Some were of different tube values, depending on the CO. Most independent telcos used harmonic ringing (cyclic frequency). That is how they got 10 parties on one line.  Sorry to get off the topic but you forced me to put down my cup of coffee, put on the boots, and trudge out to the truck while the second cinnamon role heated up! :idea: So, enjoy that 2500, but don't confuse the WECOs with others like I did. KLD :scratch:
Ken
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Joined: Dec 2004
Posts: 5,722
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Tried to get the old Polariod to get the pic of the wiring but it is too fuzzy to show. Who needs no stinkin' digital camera in their cell phone? :shrug: KLD 
Ken
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Joined: Dec 2004
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Joined: Dec 2004
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Went to the shop --- Cortelco 2500 --- 25000-VBA-20M 5-06 BK HAC It has a 10-05B7 Base Ass'y. Two wire ringer. KLD
Ken
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Joined: Jan 2005
Posts: 15,379 Likes: 13
Moderator-Vertical, Vodavi, 1A2, Outside Wire
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Moderator-Vertical, Vodavi, 1A2, Outside Wire
Joined: Jan 2005
Posts: 15,379 Likes: 13 |
Ken I agree with you. Two wire ringer coils are the norm nowadays for the most part since party and frequency-selective ringing is all but gone.
You still have to use a capacitor to isolate the ringer coil from the line. The capacitor allows ringing voltage to pass, but blocks DC current flow. This keeps the ringer coil from putting a short across the line.
Ed Vaughn, MBSWWYPBX
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Joined: Feb 2005
Posts: 12,344 Likes: 3
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Joined: Feb 2005
Posts: 12,344 Likes: 3 |
So Mary, were you able to connect your ringer from what we gave you?  I'm thinking- maybe someone here would be willing to take care of it for you if you send them the phone? -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: May 2003
Posts: 2,267
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I think she solved it from TTT's post before the distinguished gentlemen took the topic for a ride 
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Joined: Oct 2004
Posts: 812
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Joined: Oct 2004
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The combination of different coil windings and capacitors determined which freqency? No, this is not true
Ed you are wrong. One subsciber had had Tip Ident and the other could use any phone available.
One would have the option in the set through the bell winding for a two party ident crkt to ground for billing. The billing side of the party would need a 500 or 2500 set optioned for a party line.
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Joined: Jun 2001
Posts: 10,949
Moderator-Avaya
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Moderator-Avaya
Joined: Jun 2001
Posts: 10,949 |
SS, you do realize the last post before yours was 1 1/2 years ago right?
Avaya SMB Authorized Business Partner. ACIS/APSS ESI Certified Reseller/Installer www.regal-comm.com
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