| 摘要 |
An optical composite transceiver for a bus type local area network (LAN) system using a U-shaped or S-shaped optical fiber cable as a one-way transmission line, and using a carrier sense multiple access/collision detection (CSMA/CD) method and a half duplex communication method, the optical composite transceiver includes: optical couplers for sending and branching data to and from the optical fiber cable; an electric-to-optical converter and an optical-to-electric converter for converting an electric signal to an optical signal and an optical signal to an electric signal; an inner coaxial cable provided within the optical composite transceiver; a plurality of coaxial transceivers connected to the inner coaxial cable; and a control unit having access functions for sending and receiving data, and a collision detection function, and operatively connected to one of the inner coaxial transceivers.
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