Patent ID: 7703994

Claim:
An optical transceiver module, comprising: an upper casing having an electrical conductivity; a lower casing having an electrical conductivity; a printed circuit board; a receiver optical sub-assembly; and a transmitter optical sub-assembly, the upper casing and the lower casing forming a casing having a cavity in an inside thereof, the printed circuit board, the receiver optical sub-assembly, and the transmitter optical sub-assembly being arranged in the inside of the casing, the printed circuit board and each of the receiver optical sub-assembly and the transmitter optical sub-assembly being electrically connected with each other, a connecting portion of an optical signal with respect to the receiver optical sub-assembly and the transmitter optical sub-assembly being provided at a front end portion of the casing, the printed circuit board comprising an edge connector having an electrode arranged therein, the edge connector of the printed circuit board being extended to an exterior from a slit opening provided on a rear end portion of the casing, wherein a partition wall having an electrical conductivity is provided on at least one of the upper casing and the lower casing in a longitudinal direction, the partition wall being arranged at a central portion in a transverse direction of one of the upper casing and the lower casing and at a position opposed to the printed circuit board.