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Posted by Etop Udoh on April 15, 2007, 10:40 pm
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Steven Stone wrote:
> I have an old Merlin 410 PBX in my house, acquired dumpster diving when
> a local volunteer Fire Department upgraded their PBX.
> It is on a UPS, has the music on hold feature, with 3 incoming lines
> from my telco. Since summer, after some thunderstorms, I've noticed
> significant white noise in the background on all extensions. No noise
> if I use the same outside lines without the PBX.
> Is there a specific area / module of this PBX that is known to fry
> during thunder storms ?
>
> Thanks
> Steve
> N2UBP
>
I used to service those units (as best as I could) and it would be
cheaper to dump it. You could try replacing the small line
transformers on the front board and if that doesn't do it then the
problem is in the middle component board -> and all is lost then....
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