Optical modules support various transmission standards and protocols, including Ethernet, Fibre Channel, and SONET/SDH. They also operate at different wavelengths, commonly 850 nm, 1310 nm, and 1550 nm, depending on the fiber type and distance requirements. An optical module usually consists of an optical transmitting device (TOSA, including a laser), an optical receiving device (ROSA, including a photodetector), functional circuits,main control circuit board (PCBA), housing and optical (electrical) interface and other components. How do optical. That is, metal medium communication represented by coaxial cables and network cables is gradually being replaced by optical fiber media. Its main function is to convert an electrical signal into an optical signal at the transmitting end, transmit it through an optical fiber, and then convert the optical signal back into an electrical. Optical transceiver module (optical transceiver), referred to as optical module, is an important device in optical communication system.
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