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Joined: Feb 2012
Posts: 103
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Joined: Feb 2012
Posts: 103 |
I've read on this forum that the 18D KTU will provide A Lead control when connected in front of the 400-type KTU. I need 2 for my home application (I have one already). These hardly ever come up on eBay; I see relays out there now, the...
2A 5A 6B 17B
Can any of these be used (I didn't locate info in any BSPs on these)? I only need the function to show line in use, not removing from hold if this makes a difference.
Thanks for any guidance!
Jim
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Joined: Dec 2007
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Retired Admin
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Joined: May 2007
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Moderator-1A2, Cabling
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Moderator-1A2, Cabling
Joined: May 2007
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The 18D is the one to use. I never had any, but I did use 6Bs. They gave an off=hook indication, but as I recall they wouldn't break hold.
Sandman used to sell A- Lead control stuff as did...Crest? Maybe.
The 2A was as i recall for T&R for an ICM (I could be very wrong - it's been a l o o o n g time.
The 17B was a DPDT relay.
I'll email you PDFs of the relays that I have.
Sam
"Where are we going and why are we in this hand basket?"
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Joined: Jan 2008
Posts: 92 Likes: 5
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I have a few synapses in my brain jumping up and down saying ChrisRR had some A lead control boards some years ago, and I think had some to spare (at the time). He had board designs and such I think, and they're /probably/ easy to build. Not sure though..
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Joined: Apr 2018
Posts: 154
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Hi Sam, I also be interested in your PDF of Relays.
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Joined: May 2007
Posts: 5,058 Likes: 5
Moderator-1A2, Cabling
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Moderator-1A2, Cabling
Joined: May 2007
Posts: 5,058 Likes: 5 |
Get me an email address and I'll send you PDFs. Unfortunately, the only ones I still have are the 6B, the 15D and the 17B.
Sam
"Where are we going and why are we in this hand basket?"
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Joined: Apr 2018
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Sam, I just sent you a pm with me email..
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Joined: Feb 2012
Posts: 103
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Joined: Feb 2012
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Hi Sam, Thanks for providing the diagrams for the KTUs (I traced down the BSP # and found the complete documents). Luckily, there are 6Bs on ebay, and I just ordered them. Can't wait to test and compare their operation to the 18D I have on another line. Since I'm only looking for the line-in-use indicated via A-Lead, the 6B may be the ticket! I'll post my results. Thanks for helping. Jim
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Joined: Apr 2018
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Hey Jim, Another option is to use a Radio Shack Duofone Telephone Multi-Line Controller item # 43-233, they come up on Ebay time to time. But the 6B KTU can be more of a nicer installation do to its size. .
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