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The optical transceiver is a device that transforms multiple E1s (a data transmission standard for trunk lines, typically at a rate of 2.048Mbps, which is used in China and Europe) into optical signals and transmits them. Its role is mainly to achieve electro-optic. And light-electric conversion).
The same place: The difference between the photoelectric conversions: The transceiver only performs the photoelectric conversion, does not change the encoding, does not perform other processing on the data, the transceiver is for Ethernet, and runs the 802.3 protocol, only for the point-to-point connection. .
Optical transceivers, in addition to the work of photoelectric conversion, also need to multiplex and demultiplex data signals. Usually the optical transceiver comes out with multiple pairs of E1 lines. SDH, PDH optical transceivers are mainly used by telecom operators to provide data circuits with multiple pairs of points. Video optical transceivers are mainly used in fields such as security monitoring, distance education, and video conferencing, where video transmission requirements are relatively timely. Transmission control, digital, voice, Ethernet, and other signals are used to meet the needs of multi-service applications, so we sometimes refer to them as Integrated Optical Multiplexers.
Fiber-optic transceiver: An Ethernet transmission media conversion unit that exchanges short-distance twisted-pair electrical signals and long-distance optical signals. In many places, it is also referred to as a photoelectric converter or fiber converter (FiberConverter ).