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Double-PON port optical network unit equipment and its system and implementing method

A technology of passive optical network and optical network unit, which is applied in the field of dual passive optical network PON port optical network unit equipment and its system and implementation, and can solve the problem of low average unicast service bandwidth of users

Active Publication Date: 2011-04-27
SHANGHAI BROADBAND TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the defect of low average unicast service bandwidth of users when GEPON is applied to FTTB networking is solved

Method used

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  • Double-PON port optical network unit equipment and its system and implementing method
  • Double-PON port optical network unit equipment and its system and implementing method
  • Double-PON port optical network unit equipment and its system and implementing method

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Embodiment Construction

[0029] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0030] refer to figure 2 , the present invention includes a dual PON port optical network unit device, the dual PON port optical network unit device includes:

[0031] Multicast PON port 11, used to forward user requests and forward multicast data;

[0032] Unicast PON port 12, used to forward user requests and forward unicast data;

[0033] The user network interface 14 is connected with the multicast PON port 11 and the unicast PON port 12, and is used to send user requests and receive data from the unicast PON port 11 or the multicast PON port 12;

[0034] The ONU controller 13 is respectively connected with the multicast PON port 11, the unicast PON port 12 and the user network interface 14, and is used to control the multicast PON port 11 or the unicast PON port 12 and the user network according to the received user request. The interface connects and sends da...

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Abstract

The invention relates to a double Passive Optical Network (PON) port optical network unit device, a system thereof, and an implementation method. The double PON port optical network unit comprises a multicast PON port (11) for transmitting a client request and transmitting multicast data; a unicast PON port (12) for transmitting a client request and transmitting unicast data; a user network interface (14) connected to the unicast PON port (11) and the unicast PON port (12) for sending the client request and receiving data of the unicast PON port (11) or the unicast PON port (12); an Optical Network Unit (ONU) controller (13) respectively connected to the multicast PON port (11), the unicast PON port (12) and the client network interface (14) for controlling the multicast PON port (11) or the unicast PON port (12) to be connected to the user network interface and sending data to the user network interface (14) according to the received user request. The invention is capable of dividing the multicast service and other services on physical channels, preventing the band width of the unicast service from being influenced by the multicast service, thereby improving the band width utilization rate of the network.

Description

technical field [0001] The invention relates to Ethernet passive optical network (EPON) technology, in particular to double passive optical network PON port optical network unit equipment and its system and implementation method. Background technique [0002] At present, Gigabit Ethernet Passive Optical Network (GEPON) technology is mainly used to build a high-performance broadband integrated access network integrating three networks. Its main services include data services (broadband Internet access), voice services (VOIP), and video services (IPTV, VOD, etc.). The typical networking mode of existing GEPON is as follows: figure 1 shown. Each optical network unit (ONU) is connected to an optical line terminal (OLT) through a passive optical network port (PON port) through an optical splitter. A switch chip is usually integrated inside the ONU, and the switch chip is used to expand the number of user network interfaces (UNI interfaces) connected to users. Although the PON...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/28H04L12/56H04B10/12H04L45/16H04Q11/00
Inventor 易万春李进
Owner SHANGHAI BROADBAND TECH