Abstract: An optoelectronic connector is used for data transmission in which an optoelectronic module is assembled on a first circuit board and is connected to an optical fiber line so as to conduct conversion between optical signals and electrical signals. A second circuit board is used to conduct information linking with the first circuit board through a transmission line. In this manner, the first circuit board and the second circuit board can conduct data transmission and reception through the optical fiber line of the first circuit board. Therefore, bidirectional data transmission can be carried out only by a single optoelectronic module.