Passive optical network compatible device, realizing method thereof, and optical line terminal

A passive optical network and optical network unit technology, applied in the field of passive optical network system transmission, can solve the problem that OLT cannot be compatible at the same time

Active Publication Date: 2017-03-08
SANECHIPS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For a long period of time in the future, two ONU devices, XGPON1 and XGPON2, will coexist, and the existing OLT cannot be compatible wi

Method used

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  • Passive optical network compatible device, realizing method thereof, and optical line terminal
  • Passive optical network compatible device, realizing method thereof, and optical line terminal

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Embodiment Construction

[0044]In the embodiment of the present invention, the first uplink burst clock and data recovery unit and the second uplink burst clock and data recovery unit respectively recover the received uplink data according to two standards, and send the recovered uplink data to the second uplink burst clock and data recovery unit respectively. An uplink delimiting, descrambling and FEC decoding unit and a second uplink delimiting, descrambling and FEC decoding unit; a first uplink delimiting, descrambling and FEC decoding unit and the second uplink delimiting, descrambling and FEC decoding unit The scrambling and FEC decoding units respectively demarcate the received recovered uplink data according to two standards, and after the demarcation is successful, send the GTC frame to the GTC deframing unit; the GTC deframing unit sends the deframed data to the processed by different processing units.

[0045] The present invention will be described in further detail below in conjunction wit...

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Abstract

The invention provides a passive optical network compatible device. Two uplink burst clock and data recovery units recover received uplink data according to two standards and sends the recovered uplink data to corresponding uplink delimiting, descrambling and forward error correction (FEC) decoding units, the two uplink delimiting, descrambling and forward error correction (FEC) decoding units delimit the received recovered uplink data according to two standards, after the delimiting is successful, a processed GTC frame is sent to a gigabit passive optical network transmission convergence (GTC) deframing unit, and finally the GTC deframing unit sends the data obtained by deframing to different processing units for processing. The invention also discloses a realizing method compatible with a passive optical network and an optical line terminal.

Description

technical field [0001] The present invention relates to passive optical network (Passive Optical Network, PON) system transmission technology, in particular to a passive optical network compatible device and its implementation method and optical line terminal (Optical LineTerminal, OLT) Background technique [0002] XGPON (X Gigabit-Capable Passive Optical Network, XGPON) is a new generation of PON network standard evolved from Gigabit-Capable Passive Optical Network (GPON), XGPON is divided into asymmetric 10 Gigabit passive optical network and a symmetrical 10-Gigabit passive optical network, wherein the asymmetrical 10-Gigabit passive optical network may be called XGPON1, and the symmetrical 10-Gigabit passive optical network may be called XGPON2. The rate supported by XGPON1 is: uplink 2.48832Gbps, downlink 9.95328Gbps; the rate supported by XGPON2 is: uplink 9.95328Gbps, downlink 9.95328Gbps. [0003] The protocol family ITU-T 987.x of XGPON1 was approved in June 2010,...

Claims

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Application Information

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IPC IPC(8): H04Q11/00H04J3/06
CPCH04Q11/00
Inventor 郭继正陈钦树
Owner SANECHIPS TECH CO LTD
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