Stentofon AlphaCom / Vingtor ACM .

SUBCB , subscriber connection board w / RCO ( Remote Control Output ) connector :

RCO's are standard assigned to the equal numbered position of subscriber connection on the SUBCB board.

RCO's have positive logic , ( OFF ==  Low / 0VDC ,     ON = High / +5VDC )

RCO's must be programmed to desired function, unprogrammed RCO's are normally set to " no function / OFF "

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