I/O connector for add in printed circuit cards for computer systems

An add in PC card for supplying network communications functions to a host computer wherein the connector to the network is a RJ type universal jack consisting of a socket and plug, said PC card comprising:

• a frame having a substantially rectangular top view with a long and short dimension surrounding and at least partially supporting a printed circuit board:
• top and bottom covers attached to said frame and surrounding said printed circuit board;
• a first connector mounted to said frame along one of said short dimensions and connected to said printed circuit board;
• a cavity in said card formed by an opening in the short dimension of said frame opposite said first connector and said top and bottom covers;
• a carriage having a socket portion and a support and contact portion, said carriage being slidably mounted in said cavity and movable with respect thereto into at least a first position wherein substantially all of said carriage is within said cavity and a second position wherein said socket portion of said carriage is outside of said cavity and said socket is electrically connected to said printed circuit board, said socket being adapted to mate with said RJ type plug and retain said plug in electrical contact with said socket by means of a spring member whereby said plug separate from said socket as the result of a predetermined force being applied to said plug.