Optical fiber PROFIBUS bus connector (single-mode). 1-electric and 2-optical; Single-fiber transmission; Achieve high-speed long-distance transmission of PROFIBUS signal; Completely solve the engineering problems such as electromagnetic interference, ground loop interference and lightning damage in communication; Size similar to the PROFIBUS bus connector plug; Directly plug into the PROFIBUS/MPI/PPI socket of the device, or the bus connector of the bus with a programming interface; No need to connect the external power supply; Rate:  0-12Mbps, self-adaptive; Can form a bus, star and hybrid optical Fiber network; Convenient and flexible to use; ST optical fibre splice; Applicable optical fiber: single-mode 9/125, 10/125, 8.3/1; Optical fiber transmission distance: 0-10km.