Optical assembly, photoelectric module, installation method, plug and active cable

The invention discloses an optical assembly, a photoelectric module, a mounting method, a plug and an active cable, and belongs to the field of optical fiber connectors, the optical assembly comprises a main body, a reflecting surface arranged on the main body, an opening and a lens, the opening and the lens are arranged on one side relative to the reflecting surface along a first direction, the opening comprises an inner wall, the lens is arranged on the inner wall of the opening, and the inner wall of the lens is communicated with the main body. The opening faces a first direction and a second direction, and the second direction is different from the first direction. According to the optical assembly, the opening is formed in the side, away from the reflecting surface, of the lens, so that when the optical assembly is correspondingly assembled with the photoelectric assembly and the driving chip, the driving chip can stretch out of the optical assembly through the opening, and installation of the driving ch