Tuning of the transmitter and receiver, eye-diagram, and voltage-level setting are the key steps in the optical transceiver fabrication process, by which the optimal operating parameters of the module are set to meet the requirements of quality and MSA standards. Optical module transceivers are the main end-to-end components in fiber optic systems and optical communications. Procedures include incoming quality control, parameter testing, aging test, etc. Military and space applications require more rigorous testing. You will also get practical selection criteria, a comparison table of representative modules, and troubleshooting.