Fiber-optic modules with housing/shielding

A fiber-optic module comprising:

• a module chassis frame having optical, electrical, and opto-electronic components affixed therein, the optical, electrical, and opto-electronic components to process optical and electrical signals;
• a housing/shielding unit around the module chassis frame, the housing/shielding unit having a frontal opening to accept a fiber-optic cable connector, the housing/shielding unit is conductive and has
• one or more fingers near an edge of the frontal opening to ground the housing/shielding unit,
• a pair of bottom side flaps, and
• a strap and a septum coupled to the strap,
• the strap wrapping around a part of the frontal opening and the module chassis frame, the septum to couple to the pair of bottom side flaps, the strap and the septum to hold the module chassis frame and the housing/shielding unit together;
• and
• a plurality of solderable PCB pins to solder to a printed circuit board of a host system.

A fiber-optic module comprising:

• a chassis having a pair of optical connector receptacles at one end and a pair of walls coupled to a base at an opposite end, the pair of walls having slots on inside surfaces, the pair of optical connector receptacles having a rectangular opening along the width of the chassis, the base having one or more pin openings;
• a printed circuit board coupled into the slots in the pair of walls of the chassis, the printed circuit board having one or more pins in the one or more pin openings in the base of the chassis, the printed circuit board having electrical components to process electrical signals of the one or more pins;
• a pair of opto-electronic components having pins coupled to traces of the printed circuit board at an edge, the traces coupled to at least one of the one or more pins and the electrical components of the printed circuit board, the pair of opto-electronic components to process electrical and optical signals;
• a pair of optical connectors each having an optical port with a lens, a flange, a snap lock clip, a ferrule barrel, and a recess between the optical port and the flange, the pair of optical ports of the pair of optical connectors coupled to the pair of opto-electronic components respectively at one end and each of the snap lock clip and the ferrule barrel inserted into the respective pair of optical connector receptacles of the chassis at an opposite end;
• a plate having a pair of u-shaped openings and a flap, the plate inserted into the rectangular opening of the chassis, the u-shaped openings of the plate engaging the recess between the optical port and the flange in each pair of the optical connectors to hold the pair of opto-electronic components and the pair of optical connectors to the chassis;
• and
• a shielded housing around the chassis coupled to the plate, the shielded housing to conduct electromagnetic radiation to ground, the shielded housing having one or more fingers near an edge to couple to ground.

A system for providing electromagnetic interference (EMI) shielding, the system comprising:

• a module chassis frame having a front end and a back end, the front end being open to allow for a printed circuit board including electrical components to be attached therein, the back end having a pair of separately enclosed compartments, one compartment to house a transmitter subassembly and another compartment to house a receiver subassembly;
• the transmitter subassembly having a first shielding collar around a transmitter and the receiver subassembly having a second shielding collar around a receiver;
• a U-plate having a top portion and a bottom portion having a pair of U-shaped openings, the top portion including a flap, the U-plate coupled into a slot of the module chassis frame to hold and shield the transmitter subassembly and the receiver subassembly;
• and
• an electromagnetic interference (EMI) shielding box wrapped around the module chassis frame and coupled to the U-plate, the electromagnetic interference shielding box having a front end and a back end, the front end having an opening to allow insertion of optical connectors into the module chassis frame, the opening having a plurality of fingers around its perimeter, the plurality of fingers to contact a host system to ground out the EMI shielding box.

A fiber-optic module comprising:

• a means for holding optical, electrical, and opto-electronic components, the optical, electrical, and opto-electronic components to process optical and electrical signals;
• a means for shielding and housing the means for holding, the means for shielding and housing having a frontal opening to accept a fiber-optic cable connector, the means for shielding and housing being conductive and electrically isolated from a signal ground for the electrical and opto-electronic components, the means for shielding and housing having one or more means for contacting near an edge of the frontal opening to ground the means for shielding and housing to a chassis ground of a host system;
• and
• a plurality of solderable PCB pins to solder to a printed circuit board of the host system.