Plugboard type FTTB (Fiber To The Building) type ONU (Optical Network Unit) and method for realizing voice service

A voice service, plug-in technology, applied in multiplexing system selection device, electromagnetic wave transmission system, optical fiber transmission, etc., can solve the problems of high cost and complex ONU backplane, so as to simplify the system structure and improve the voice service Processing power, the effect of simplifying the backplane circuit

Inactive Publication Date: 2010-09-22
FENGHUO COMM SCI & TECH CO LTD
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  • Abstract
  • Description
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Problems solved by technology

[0009] The technical problem to be solved by the present invention is to solve the problem that the ONU backplane is complicated and the cost is high

Method used

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  • Plugboard type FTTB (Fiber To The Building) type ONU (Optical Network Unit) and method for realizing voice service
  • Plugboard type FTTB (Fiber To The Building) type ONU (Optical Network Unit) and method for realizing voice service
  • Plugboard type FTTB (Fiber To The Building) type ONU (Optical Network Unit) and method for realizing voice service

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Embodiment Construction

[0045] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0046]The invention provides a plug-in type FTTB type ONU, comprising a backplane, a main control panel and several service panels, at least one of the several service panels is a voice service panel, and the main control panel and the plurality of service panels are plugged in respectively Interconnected on and through the IP bus on the backplane. The realization of the voice service is mainly completed by the main control panel and the voice service panel. The main control panel mainly completes the aggregation and processing of data services and voice services, and completes the forwarding of upstream and downstream service flows, voice signaling processing, and media stream proxy. The management center is the control center of the entire system. The voice service panel completes functions such as collection of analog line signals, digital-to-analog / analog-to-dig...

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Abstract

The invention discloses a plugboard type FTTB (Fiber To The Building) type ONU (Optical Network Unit) and a method for realizing a voice service. The plugboard type FTTB type ONU comprises a backboard, a main control disk and a plurality of service disks, wherein at least one of the service disks is a voice service disk; and the main control disk and a plurality of service disks are respectively inserted into the backboard and are mutually connected through an IP (Internet Protocol) bus on the backboard. In the invention, a DSP (Digital Signal Processing) module is placed on the voice servicedisk, so that the main control disk is connected with the voice service disk through the IP bus; the invention changes the traditional mode of TDM (Time Division Multiplex) bus communication and simplifies a backboard circuit and a system structure; and according to the proportion for provisioning the voice service, DSP resources can be flexibly allocated, the processing capacity of the system onthe voice service can be improved, and the problem of the bottleneck of the DSP resources can be solved.

Description

technical field [0001] The invention relates to EPON / GPON equipment, in particular to a plug-in type FTTB type ONU and a method for realizing voice services. Background technique [0002] The terms used in this application are explained as follows: [0003] SLIC, Subscriber Line Interface Controller, Subscriber Line Interface Controller; [0004] DSP, digital signal processing; [0005] Codec, codec. [0006] With the rapid development of technology, users have higher and higher requirements for network bandwidth and stability. Therefore, the trend of optical input and copper output, and triple play is inevitable. figure 1 It is a typical EPON / GPON schematic diagram, which consists of OLT (Optical Line Terminal), ODN (Passive Optical Distribution Network) and ONU (Optical Network Unit). The OLT is placed in the central computer room of the central office and sends Ethernet data to the ONU in a broadcast manner; the ODN is an optical transmission physical channel between ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q11/00H04B10/14H04B10/25
Inventor 罗文毅郭洁杨晓
Owner FENGHUO COMM SCI & TECH CO LTD
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