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Posted By: coastaltech NEC OPX - 02/11/14 06:29 PM
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.
Posted By: Coral Tech Re: NEC OPX - 02/11/14 10:15 PM
Have you put a butt set on it to check?
Posted By: coastaltech Re: NEC OPX - 02/12/14 08:47 PM
Yes,it has a slight hum without resistance,as you increase resistance hum increases.
Posted By: Coral Tech Re: NEC OPX - 02/13/14 12:35 PM
There you go.
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