A realization method of extended communication between olt and onu
A technology for expanding communication and expanding modules, applied in digital transmission systems, electrical components, transmission systems, etc., can solve problems such as undefined standards and unimplemented chips, and achieve low resource occupancy, easy implementation, and wide application range. Effect
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[0049] The invention solves the management problem of the ONU expansion module that does not define management parameters in the PON standard protocol, or cannot be realized by existing chips, but needs remote management. The present invention utilizes the two-layer (that is, the data link layer of the second layer of the OSI network protocol seven-layer model) message to obtain and distribute the IP address for mutual communication, and uses the UDP message to communicate between the OLT and the ONU, and remotely manages the ONU extension The module uses a variety of judgment conditions to ensure communication connection and configuration delivery.
[0050]1. The implementation content on the ONU side is as follows:
[0051] (1) When the ONU is powered on, it sends a defined Layer 2 broadcast packet to the OLT, carrying the ONU PON MAC and CPU MAC, to obtain the IP address for extended communication.
[0052] (2) After the ONU receives the Layer 2 message (carrying the IP ad...
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