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#566144 02/11/14 02:29 PM
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I have 2 opx cards in a IPKII and all opx ports have a hum.
All the field cable pairs have been checked . I have changed cards and still the same hum exists.

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coastaltech #566175 02/11/14 06:15 PM
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Have you put a butt set on it to check?

Coral Tech #566275 02/12/14 04:47 PM
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Yes,it has a slight hum without resistance,as you increase resistance hum increases.

coastaltech #566321 02/13/14 08:35 AM
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There you go.


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