Optical module connector adaptor

An optical module mounting substrate product comprising:

• one or more optical module products each including an optical module, a coated optical fiber, an optical connector and an adapter for connecting another connector to the optical connector;
• the optical connector and the other optical connector being aligned with each other by means of a plurality of guiding pins;
• and
• a substrate including a conductive wiring layer, the optical module and the adapter being mounted to said substrate;
• wherein the coated optical fiber includes a first end portion connected to the optical module and a second end portion connected to the optical connector;
• wherein the adapter includes first and second wall portions and a bottom portion having a mounting surface, said mounting surface extending in a direction of an optical axis of the second end portion of the optical fiber, the mounting surface being provided for mounting thereon the optical connector, the first and second wall portions being arranged on the mounting surface at opposite two sides of the bottom portion, the first and second wall portions extending a direction of the optical axis;
• the first and second wall portions having their respective inner wall surfaces, and the inner wall surfaces extending in a direction of the optical axis to guide at least one of the optical connector and the other optical connector between the inner wall surfaces;
• the bottom portion and the first and second wall portions are arranged to provide a fist opening portion and a second opening portion, said first opening portion being provided so as to receive the first optical connector, said first opening portion opening in a direction normal to the mounting surface, said second opening portion being provided so as to receive the other optical connector, and said second opening portion opening in a predetermined axis direction;
• and
• wherein the optical connector is accommodated in the adapter.