| GENERAL CHARACTERISTICS ITEM DESCRIPTION | CONTAINS TWO DOUBLE JACKS,ONE SET HAS OVERRIDE CONTROL; ALSO CONTAINS A SPEAKER AND A LAMP THAT CONTINUALLY ILLUMINATES THE JACKS; THE SIX-WIRE CIRCUIT CONSIST OF A VOICE FREQUENCY RECEIVE CIRCUIT FOR EARPHONES,A VF TRANAMIT CIRCUIT FOR MICROPHONE,AND A PUSH-TO-TALK CIRCUIT; THE JACK ASSY ALSO HAS CIRCUITS FOR RING IN/ALARM SPEAKER AND THE BACK-LIGHTING LAMP |