Patent ID: 8303346

Claim:
An electrical connector assembly mounted on a printed circuit board (PCB), comprising: an insulative housing loaded with a plurality of contacts and defining a base with opposite front and rear end regions along a front-to-back direction and a plurality of side walls upwardly extending from the base; the base cooperating with the sidewalls to commonly define a first receiving room; and a notch defined in the front region of the base to form a second receiving room under the first receiving room, said second receiving room being smaller than the first receiving room in both the front-to-back direction and a transverse direction perpendicular to said front-to-back direction; wherein no portions of contacts are located in the second receiving room so as to allow an optoelectronic module including a first portion and a second portion to be snugly received in the first receiving room and the second receiving room respectively, the second portion is attached to the first portion and supported on a top surface of the PCB.