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#486499 03/27/09 05:28 AM
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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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#486500 03/27/09 05:32 AM
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Moderator-Vertical, Vodavi, 1A2, Outside Wire
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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
#486501 03/27/09 05:36 AM
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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.


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#486502 03/27/09 06:23 AM
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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?"
#486503 03/27/09 11:01 AM
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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.

#486504 03/27/09 02:05 PM
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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?"
#486505 03/28/09 02:25 AM
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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.
#486506 03/28/09 03:41 AM
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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.

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#486507 03/28/09 08:23 AM
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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.

#486508 03/28/09 01:05 PM
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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. frown 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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