pivoting dependant stirrup 174 if the aperture block is retractable retraction of the aperture block will pivot the stirrup into aperture 130 without the need for a spring stirrup 174 may also be biased into the aperture 130 by a spring 176 spring biasing may be useful where the aperture block is detachable or where the aperture is formed directly in the communications card fig2 illustrates another embodiment incorporating the teachings of the current invention in this embodiment a perpendicular aperture 130 is employed the aperture is formed so that when physical electrical media connector 38 is inserted into aperture 130 at least one contact pin of physical electrical media connector 38 is held in electrical contact with at least one contact wire 124 according to one aspect of the present invention embodiments may include means for preventing the physical electrical media connector from passing through the aperture by way of example and not limitation in fig2 the means for preventing passage of the plug through the aperture is flexible diaphragm 182 in this embodiment the flexible diaphragm 182 extends over at least a portion of the bottom of aperture 130 as used in the context of this patent flexible diaphragm means a flexible membrane that covers at least a portion of aperture 130 fig2 is a cross sectional view taken along line 26 26 of fig2 which shows in greater detail the embodiment illustrated in fig2 as physical electrical media connector 38 is inserted into aperture 130 flexible diaphragm 182 exerts an upward force on media connector 38 the upward force serves to ensure that transition notch 122 is retained by retention ridge 94 it will be appreciated that in accordance with the.