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Joined: Feb 2005
Posts: 12,344 Likes: 3
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Joined: Feb 2005
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If the keyset measured voltage is 48v
I wouldn't trust measuring it. You never know what else is going on. Get with the manufacturer for their recommendation or play it safe and go with 235.
For instance with Partner and some Panasonic with the phone plugged in a 75 volt protector will work fine. Measure the voltage and it's well below 75 volts. But disconect the phone and the system assumes you will be connecting a standard SLT device and puts ringing on the pair. So now you have a ring/trip whenever a line assigned to the disconnected extension rings. That can put the whole system out of service.
-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: Dec 2005
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RIP Moderator-Mitel, Panasonic
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RIP Moderator-Mitel, Panasonic
Joined: Dec 2005
Posts: 7,056 |
And to cut the original installer a little slack, those 27 volt protectors will work fine for some systems. Omega IV 616 and ZTD systems, for example. But not the larger Omega IV systems! All of which are manufacturer disc for 15+ years, before someone else points that out! Anyhow, that's why ya gotta know what your doin'!  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: Sep 2007
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OP
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Joined: Sep 2007
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Thanks - the Samsung manual says 48v also - we will get ones rated significantly higher.
LH - "We don't know what the hell we are doing and we are scared" (Credit Chris Elliott)
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Joined: Feb 2005
Posts: 12,344 Likes: 3
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75 is the next one up.
-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: Sep 2007
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Well - got lucky and found two for a good price. The good news is we'll swap out the data ones for another install. One of those mistakes we won't make twice. https://helpdesk.portasystems.com/download/Copper/PSC_BET_Series24.pdf Like I've said before you guys are the best.
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Joined: Jun 2001
Posts: 10,949
Moderator-Avaya
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Moderator-Avaya
Joined: Jun 2001
Posts: 10,949 |
I've always had good luck with the 235v.
Avaya SMB Authorized Business Partner. ACIS/APSS ESI Certified Reseller/Installer www.regal-comm.com
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Joined: Feb 2005
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That's what we use also. I figure if it can't handle 235 volts it's the manufacturer's problem.
-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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