Multi-port pluggable transceiver (MPPT) with multiple LC duplex optical receptacles

An optoelectronic device and receptacle assembly comprising:

• the receptacle includes a rail, a rib, a metallic conductive door and a circuit card connector;
• and
• the optoelectronic device includes:
• a housing having a rail receiving slot for receiving the rail of the receptacle and a rib receiving slot for receiving the rib of the receptacle, the housing having a width dimension being substantially the same as a width dimension of a GBIC, and the housing having a thickness dimension being substantially the same as a thickness dimension of the GBIC, the housing including a base member and a cover,
• a printed circuit board mounted within the housing, the printed circuit board having not more than twenty contact fingers,
• an electrical connector attached to the housing, the electrical connector being pluggable with the circuit card connector of the receptacle,
• flexible latching members attached to the housing, the flexible latching members configured to engage with cooperating locking structures formed on the receptacle so as to releasably secure the optoelectronic device to the receptacle,
• a first optical subassembly electrically connected to the printed circuit board, the first optical subassembly includes a first ferrule receiving barrel,
• a second optical subassembly electrically connected to the printed circuit board, the second optical subassembly includes a second ferrule receiving barrel,
• a third optical subassembly electrically connected to the printed circuit board, the third optical subassembly includes a third ferrule receiving barrel,
• a fourth optical subassembly electrically connected to the printed circuit board, the fourth optical subassembly includes a fourth ferrule receiving barrel,
• and
• an optical connector attached to the housing, the optical connector includes a first port, a second port, a third port, and a fourth port, and wherein
• the first ferrule receiving barrel of the first optical subassembly being associated with the first port of the optical connector, and wherein the first ferrule receiving barrel of the first optical subassembly is adapted to receive a ferrule of a first fiber optic LC connector, and wherein the first port of the optical connector is adapted to receive the first fiber optic LC connector, and wherein
• the second ferrule receiving barrel of the second optical subassembly being associated with the second port of the optical connector, and wherein the second ferrule receiving barrel of the second optical subassembly is adapted to receive a ferrule of a second fiber optic LC connector, and wherein the second port of the optical connector is adapted to receive the second fiber optic LC connector, and wherein
• the third ferrule receiving barrel of the third optical subassembly being associated with the third port of the optical connector, and wherein the third ferrule receiving barrel of the third optical subassembly is adapted to receive a ferrule of a third fiber optic LC connector, and wherein the third port of the optical connector is adapted to receive the third fiber optic LC connector, and wherein
• the fourth ferrule receiving barrel of the fourth optical subassembly being associated with the fourth port of the optical connector, and wherein the fourth ferrule receiving barrel of the fourth optical subassembly is adapted to receive a ferrule of a fourth fiber optic LC connector, and wherein the fourth port of the optical connector is adapted to receive the fourth fiber optic LC connector, and wherein
• the receptacle includes a ground tab, and wherein the optoelectronic device includes an external surface that is metallized and upon insertion of the optoelectronic device within the receptacle, the external surface of the optoelectronic device abuts the ground tab in order to ground the optoelectronic device to the receptacle in order to provide for the harmless dissipation of static charge, and wherein
• the printed circuit board includes a contact beam, and wherein the contact beam forms a portion of the electrical connector, and wherein the contact fingers include ground contact fingers, power contact fingers, and signal contact fingers, wherein an end of each of the ground contact fingers is located a first distance away from an edge of the printed circuit board, and wherein an end of each of the power contact fingers is located a second distance away from the edge of the printed circuit board, and wherein an end of each of the signal contact fingers is located a third distance away from the edge of the printed circuit board, and wherein the second distance is greater than the first distance, and wherein the third distance is greater than the second distance, so as to provide hot plugging.