System for transmitting data frame of Etheent based on insertion between frames
A technology of transmission system and Ethernet, which is applied in the direction of digital transmission system, transmission system, data exchange network, etc., and can solve the problems of inverse multiplexer not working normally, delay difference limitation, etc.
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[0030] figure 1 It is the typical application environment of the Ethernet inverse multiplexer. The medium-independent interface signal of local area network A is converted into N-channel E1 signals through inverse multiplexer A, and enters the E1 transmission network of telecommunications for transmission. At the far end, the inverse multiplexer B restores the received N-channel E1 signals into Ethernet media-independent interface signals and forwards them to the local area network B, thereby realizing the communication between the two remote Ethernets.
[0031] figure 2 It is the overall block diagram of the Ethernet data frame transmission system. The functions of each part of the circuit are explained one by one according to the direction of the data flow. Among them, the circuit modules (1) to (6) realize the mapping process from Ethernet to E1, and the circuit modules (7) to (12) realize the process from E1 Mapping process to Ethernet:
[0032] (1) Ethernet receiving...
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