- 2 x switching (normalling) stereo jack without switching contact, vertical PCB mount, https://www.neutrik.com/en/product/nc3mbhl B Series, 3 pole female receptacle, grounding: separate ground contact to mating connector shell and front panel, horizontal PCB mount, asymmetric push, https://www.neutrik.com/en/product/nc5fah-da A Series, 3 pole female XLR receptacle, grounding: without ground/shell contact, horizontal PCB mount, https://www.neutrik.com/en/product/nc3mafh-ph A Series, 3 pole male XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, horizontal PCB mount, https://www.neutrik.com/en/product/nc3fbv1 B Series, 3 pole male XLR receptacle, switching contacts, grounding: separate ground contact connected to trigger, gate jack is normalized\nto +12 V, and sustain voltage is taken from \npot pin 1 x 1 mm, 734-171 , 11 Pins.