A fluid port for alternately interfacing a fluid conduit with a fluid container or with a fluid hose. A connector frame includes a first frame member secured to the first circuit board and a second frame member secured to the second circuit board. Consequently, the control of temperature and humidity is easier than when external air is used, and generation of noise and backward flow of flames and toxic gas generated during a fire, which are problems caused when the air in the cabin is used, are prevented. In addition, a gathered cover is coupled across the entire region defined by the static band and the casing.