Patent ID: 8004858

Claim:
An electronic apparatus comprising: an apparatus housing: a security housing inside apparatus housing, said security housing comprising a secure region, containing components therein requiring protection against tampering, and a non-secure region; said secure region of said security housing comprising a mechanically tamperproof structure inside of which said components are contained, said mechanically tamperproof structure forming a physical barrier to access of said region that requires mechanical destruction of said mechanically tamperproof structure in order to gain physical access to said secure region in order to remove any of said components therein; said non-secure region of said security housing being mechanically, non-destructively physically accessible; a grounded metal chassis contained in said secure region of said security housing; said components in said secure region including a motherboard comprising operating circuitry for the electronic apparatus; a communication unit containing communication circuitry and having a connection element that plugs said communication unit to said motherboard to connect said operating circuitry with said communication circuitry; said non-secure region of said security housing comprising a cavity bay having a size and shape that receives said communication unit, said communication unit being plugged to said motherboard when received in said bay; a cover closing said bay, said cover being non-destructively detachable from said security housing, said size and shape of said bay, when said cover is detached from said security housing, being configured to allow unimpeded insertion of said communication unit into said bay and unimpeded removal of said communication unit from said bay; and at least one further connection element projecting into said cavity bay and being in contact with said communication unit when said communication unit is in said cavity bay, said further connection element being electrically conductively and mechanically connected to said chassis to ground said communication unit through the chassis and hold said communication unit in said bay.