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Joined: Mar 2009
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I just recently finished my 1A2 project, and everything is working great: except for one thing. Hold. When I put a line on hold, it simply disconnects the line. Can someone tell me how to fix this? Any help would be appreciated.
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Joined: Jan 2005
Posts: 15,394 Likes: 17
Moderator-Vertical, Vodavi, 1A2, Outside Wire
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Moderator-Vertical, Vodavi, 1A2, Outside Wire
Joined: Jan 2005
Posts: 15,394 Likes: 17 |
Do you have a CO line connected to it? It won't allow you to place a call on hold if voltage isn't present on the line.
Ed Vaughn, MBSWWYPBX
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Joined: May 2002
Posts: 17,742 Likes: 33
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Joined: May 2002
Posts: 17,742 Likes: 33 |
Make sure you're wired through the equipment, not just on top of the tip and ring to the phone. I assume the lamps light when you go off hook. Does the interupter run when you push the hold button? Make sure you're properly grounded.
Retired phone dude
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Joined: May 2007
Posts: 5,059 Likes: 6
Moderator-1A2, Cabling
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Moderator-1A2, Cabling
Joined: May 2007
Posts: 5,059 Likes: 6 |
What type of equipment are you running? Which KSU and who's phone? Let us know and we can point you in the right direction.
Sam
"Where are we going and why are we in this hand basket?"
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Joined: Mar 2009
Posts: 3
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To answer your question Ed, yes, I do have a connected CO line. The lamps do light and flash when they are supposed to, and ringing is correct. I am using a San/Bar KSU with a Plant Equipment KTU for line 1.
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Joined: May 2007
Posts: 5,059 Likes: 6
Moderator-1A2, Cabling
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Moderator-1A2, Cabling
Joined: May 2007
Posts: 5,059 Likes: 6 |
Does it happen on all sets? Have you tried changing the line card?
Sam
"Where are we going and why are we in this hand basket?"
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Joined: Dec 2005
Posts: 7,056
RIP Moderator-Mitel, Panasonic
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RIP Moderator-Mitel, Panasonic
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If you have correct polarity on your line card, (I've seen this have an effect) the scenario is: both T & R and A & A1 are teminated. T & R with approx 600 ohms, buttset works fine. A & A1 dead short or a few ohms, whatever wire resistance is. SO, Opening T & R AFTER A & A1 will put the line on hold. ASSUMING, of course, that this all happens on the telephone side of the line card. If T & R are being terminated on the C.O. side of the line card, all bets are off, and it won't work! Does the explanation make sense? It's also possible that you have inadvertently terminated C. O. T & R and Phone T & R on the wrong 'sides' of the line card. John C.
When I was young, I was Liberal. As I aged and wised up, I became Conservative. Now that I'm old, I have settled on Curmudgeon.
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Joined: Jan 2007
Posts: 52
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Actually, Lightninghorse, you have the sequence transposed. From an off-hook/active call state, the A/A1 leads must go open BEFORE T/R are opened, or the call will be dropped.
When taking a call back from the 'Hold' state, A/A1 must make first, then T/R.
Happy tweaking.
Bruce Lane, Owner & Head Hardware Heavy, Blue Feather Technologies.
"Salvador Dali's computer has surreal ports..."
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Joined: Oct 2004
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When taking a call back from the 'Hold' state, A/A1 must make first, then T/R.
Is this sequence right? I thot the T/R had to be looped then make the A/A1 or you might loose the call.
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Joined: Dec 2005
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RIP Moderator-Mitel, Panasonic
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RIP Moderator-Mitel, Panasonic
Joined: Dec 2005
Posts: 7,056 |
DUH-UH, my bust. I'll go fix it! And T & R must close first when taking call off hold. Which, if the key contacts are correctly adjusted, will happen.  John C.
When I was young, I was Liberal. As I aged and wised up, I became Conservative. Now that I'm old, I have settled on Curmudgeon.
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