WO2012071870A1 - Terminal d'unité de réseau optique et système de réseau optique passif - Google Patents

Terminal d'unité de réseau optique et système de réseau optique passif Download PDF

Info

Publication number
WO2012071870A1
WO2012071870A1 PCT/CN2011/074914 CN2011074914W WO2012071870A1 WO 2012071870 A1 WO2012071870 A1 WO 2012071870A1 CN 2011074914 W CN2011074914 W CN 2011074914W WO 2012071870 A1 WO2012071870 A1 WO 2012071870A1
Authority
WO
WIPO (PCT)
Prior art keywords
serial port
serial
module
pon
optical network
Prior art date
Application number
PCT/CN2011/074914
Other languages
English (en)
Chinese (zh)
Inventor
张海军
马小松
金国华
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2012071870A1 publication Critical patent/WO2012071870A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/27—Arrangements for networking
    • H04B10/272—Star-type networks or tree-type networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q2011/0079—Operation or maintenance aspects

Definitions

  • the present invention relates to the field of communications, and in particular to an optical network node ONU terminal and a passive optical network PON system.
  • BACKGROUND In the field of industrial control applications, traditional serial communication applications are widely used, but traditional serial communication has problems such as signal cables being susceptible to interference, transmission distance being limited, and multiple serial ports working simultaneously increasing the number of main communication cables. It is difficult to meet the demand for signal transmission in the field of industrial control, but due to its wide application, the serial port is difficult to replace in a short time.
  • a primary object of the present invention is to provide an optical network node ONU terminal and a passive optical network PON system to solve at least one of the above problems.
  • an ONU terminal of an optical network node including: one or more serial ports; a passive optical network PON module; a serial port module, and the PON module and the one or more serial ports Connected, configured to transfer data between the PON module and the one or more serial ports.
  • the serial port module includes: one or more types of serial port transceivers, wherein the serial port transceiver is configured to connect a serial port corresponding to the serial port transceiver type.
  • the serial port module further includes: a universal asynchronous receiving/transmitting device UART expansion chip connected to the serial port transceiver and the PON module, configured to transmit data between the serial port transceiver and the PON module.
  • the serial port module further includes: a switch, connected to the UART expansion chip and the serial port transceiver, and configured to select a serial port.
  • the PON module and the serial port module are connected by a local bus Localbus.
  • a passive optical network PON system including the above ONU terminal, the system further comprising: a fiber optic cable terminal device OLT connected to the ONU terminal.
  • the system further includes: an industrial control serial terminal device and a monitoring host, wherein the industrial control serial terminal device is connected to the ONU terminal through a serial port, and the monitoring host is connected to the OLT.
  • an optical network node terminal comprises: one or more serial ports; a passive optical network PON module; a serial port module, connected with the PON module and one or more serial ports, set to be in the PON module and one Or transfer data between multiple serial ports.
  • the problem of the traditional serial communication is solved, and the optical communication bearer of the serial port is realized.
  • FIG. 1 is a block diagram showing an ONU terminal structure according to an embodiment of the present invention
  • FIG. 2 is a block diagram showing an ONU terminal structure according to a preferred embodiment of the present invention
  • FIG. 3 is a PON according to an embodiment of the present invention.
  • Figure 4 is a block diagram showing the structure of a PON system according to a preferred embodiment of the present invention
  • Figure 5 is a block diagram showing the structure of an ONU terminal module in accordance with a preferred embodiment of the present invention
  • Figure 6 is a flowchart of a software test according to an embodiment of the present invention. . BEST MODE FOR CARRYING OUT THE INVENTION
  • the present invention will be described in detail with reference to the accompanying drawings.
  • FIG. 1 is a block diagram showing the structure of an ONU terminal according to an embodiment of the present invention.
  • the ONU terminal shown in FIG. 1 includes: one or more serial ports 10; a PON module 14; a serial port module 12 connected to the PON module 14 and one or more serial ports 10, and configured to be in the PON module 14 and one or Data is transmitted between multiple serial ports 10.
  • the serial port passive optical network device connection is realized, and the optical communication load of the serial port is realized.
  • Passive optical network equipment has the advantages of long transmission distance, uncomfortable optical communication, and large bandwidth. These advantages are introduced through the above terminals, which has certain advantages compared with the traditional serial communication.
  • the PON module and the serial port module can be connected through a local bus Localbus. It should be noted that the PON module and the serial port module can also be connected by other means, and the selection of the specific connection mode does not affect the technical problem.
  • 2 is a block diagram showing the structure of an ONU terminal according to a preferred embodiment of the present invention.
  • the serial port module 12 includes: a serial port transceiver 20, a UART expansion chip 22, and a switch 24.
  • the serial port transceiver 20 may be of one type or multiple types corresponding to the type of the serial port.
  • the function of the serial port transceiver 20 is to connect to the serial port 10 corresponding to the type of the serial port transceiver 20.
  • the serial port type here may be a serial port commonly used in the industrial control field, such as RS232, RS485, RS422, and the like.
  • the UART expansion chip 22, connected to the serial transceiver 20 and the PON module 14, is arranged to transfer data between the serial transceiver 20 and the PON module 14.
  • the method further includes: a switch 24 connected to the UART expansion chip 22 and the serial port transceiver 20, and configured to select a serial port.
  • the switch here may be an electronic switch, and may be set to perform multiple selection.
  • FIG. 3 is a structural block diagram of a PON system according to an embodiment of the present invention.
  • the PON system shown in FIG. 3 includes the above-mentioned ONU terminal, and further includes: an optical cable terminal device OLT connected to the ONU terminal.
  • the system further comprises: an industrial control serial terminal device and a monitoring host, wherein the industrial control serial terminal device is connected to the ONU terminal through the serial port, and the monitoring host is connected to the OLT.
  • the PON system includes: a central office OLT device, an optical distribution network, and a terminal ONU device.
  • the preferred embodiment is The serial port is added to the ONU, and the serial port signal and the optical signal are converted by the ONU, and the host access and management serial port are directly managed to the ONU through the Ethernet mode.
  • the uninterrupted optical signal is used to carry the serial port electrical signal, and the PON device has the characteristics of large-capacity bandwidth and long-distance transmission distance.
  • the PON terminal device combined with serial communication is creatively proposed to meet the communication in the industrial control field.
  • the device can realize optical communication between the industrial control serial terminal device and the host.
  • 5 is a structural block diagram of an ONU terminal module according to a preferred embodiment of the present invention.
  • the PON terminal also referred to as an ONU terminal
  • the PON terminal includes the following modules: a common ONU PON module (with a built-in CPU),
  • the PON optical signal acts on the local bus interface;
  • the serial subcard module the uplink interface is l oca lbus bus, the next serial port signal, the subcard realizes localbus to UART expansion, the number of UART chips can be freely expanded, and at the same time
  • Multiple types of serial transceivers can be configured.
  • the transceivers can be RS232/RS485/RS422.
  • the PON module is the core, providing serial port expansion interface, serial port data management and encapsulation, and output of uplink PON signals. As shown in FIG. 5, the PON module part and the serial port module part are connected through a local bus.
  • the PON module may include: a power converter module, an optical transceiver (optical transceiver), a Debug interface, and an optical module.
  • the serial port daughter card module is composed of a UART extension chip and a serial transceiver (Transceiver), and can customize a certain number of UART expansion chips and different types of serial transceivers according to requirements.
  • an electronic switch can be added between the UART expansion chip and different serial transceivers, and is configured to control the serial type of the same output.
  • Ordinary ONU PON modules mainly include optical modules, PON MAC chips, DDR memory and FLASH, power supplies, etc., and provide localbus interfaces for serial subcards.
  • the serial subcard module includes a UART expansion chip, a serial transceiver, and a transceiver selection circuit.
  • the module converts the serial port data into a localbus signal and sends it to the CPU of the PON module.
  • the daughter card type can be customized as needed.
  • the serial port expansion chip realizes localbus to UART conversion, and different serial ports use different transceivers and serial port expansion chips to establish a UART channel.
  • the foregoing embodiment can be used to connect multiple industrial terminals with serial port output, and the serial port type can be one of RS232/RS485/RS422.
  • FIG. 6 is a software testing flowchart according to an embodiment of the present invention. As shown in FIG. 6, the process includes the following steps: Step S601, the ONU starts the initial 4 ⁇ , ONU Start the CPU working system; Step S602, the ONU detects its own serial port card type, and creates multiple socket service ports; Step S603, the ONU registers with the OLT, and the PON optical path is normal; Step S604, the network communication between the host and the ONU is normal, and the virtual installation is performed.
  • Serial port driver and management program define the serial port type of the ONU, configure the virtual serial port and the IP address and port number of the ONU to be associated; Step S605, use the serial port test program such as the HyperTerminal to open the newly configured virtual serial port number, and the host reads and writes. Serial port operation.
  • modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device so that they may be stored in the storage device by the computing device, or they may be separately fabricated into individual integrated circuit modules, or Multiple modules or steps are made into a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the scope of the present invention are intended to be included within the scope of the present invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computing Systems (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)

Abstract

L'invention concerne un terminal d'unité de réseau optique et un système de réseau optique passif (PON). Le terminal d'unité de réseau optique comprend : un ou plusieurs ports série ; un module PON ; un module de port série, qui est connecté au module PON et à l'un ou plusieurs ports série, et est configuré pour transmettre des données entre le module PON et l'un ou plusieurs ports série. Grâce à l'invention, les problèmes existant dans la communication de port série traditionnelle sont résolus et les signaux de port série portés sur une communication optique sont réalisés.
PCT/CN2011/074914 2010-11-30 2011-05-30 Terminal d'unité de réseau optique et système de réseau optique passif WO2012071870A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2010105672859A CN102480654A (zh) 2010-11-30 2010-11-30 光网络节点终端及无源光网络系统
CN201010567285.9 2010-11-30

Publications (1)

Publication Number Publication Date
WO2012071870A1 true WO2012071870A1 (fr) 2012-06-07

Family

ID=46093110

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2011/074914 WO2012071870A1 (fr) 2010-11-30 2011-05-30 Terminal d'unité de réseau optique et système de réseau optique passif

Country Status (2)

Country Link
CN (1) CN102480654A (fr)
WO (1) WO2012071870A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105208466B (zh) * 2014-06-04 2019-07-05 上海斐讯数据通信技术有限公司 机柜式多端口epon系统
CN105577415B (zh) * 2014-10-17 2020-02-14 中兴通讯股份有限公司 智能光分配网络设备

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002290425A (ja) * 2001-03-26 2002-10-04 Matsushita Electric Ind Co Ltd 光加入者線終端装置
CN1976354A (zh) * 2006-11-28 2007-06-06 上海电器科学研究所（集团）有限公司 通用工业协议以太网适配器及其软件
CN201150062Y (zh) * 2007-12-12 2008-11-12 深圳市讯达康通讯设备有限公司 以太网无源光网络传输设备olt和onu

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201226577Y (zh) * 2008-06-06 2009-04-22 湖南银城科技有限公司 一体化结构通信设备
CN101651836A (zh) * 2009-09-18 2010-02-17 武汉长光科技有限公司 基于epon的模块化监控终端设备
CN201536408U (zh) * 2009-11-09 2010-07-28 太原科技大学 以太网无源光网络数据传输网关
CN201584054U (zh) * 2009-12-30 2010-09-15 国网信息通信有限公司 一种用电信息采集分站、终端及系统

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002290425A (ja) * 2001-03-26 2002-10-04 Matsushita Electric Ind Co Ltd 光加入者線終端装置
CN1976354A (zh) * 2006-11-28 2007-06-06 上海电器科学研究所（集团）有限公司 通用工业协议以太网适配器及其软件
CN201150062Y (zh) * 2007-12-12 2008-11-12 深圳市讯达康通讯设备有限公司 以太网无源光网络传输设备olt和onu

Also Published As

Publication number Publication date
CN102480654A (zh) 2012-05-30

Similar Documents

Publication Publication Date Title
US8059961B2 (en) Customer premises optical network unit and optical transmission system
EP2830261B1 (fr) Dispositif terminal de ligne optique et son procédé de mise en oeuvre
US20080193128A1 (en) Computer ethernet card based on passive optical network
JP2016534683A (ja) 量子暗号鍵配布端末、及びシステム
US20060291857A1 (en) Method and apparatus for testing optical network equipment
EP2981004A1 (fr) Système et appareil d'interconnexion ainsi que procédé de transmission de données
US9215517B2 (en) Switching Clos network universal element
CN102263594B (zh) 在光网络单元以rs232和rs485两种通讯模式实现信息交互的方法
CN202121600U (zh) 光开关保护的以太网光纤掉电直通交换机
JP5144735B2 (ja) 加入者宅側光回線終端装置
CN113596635A (zh) 全光poe网络路由交换机设备及系统
WO2012071870A1 (fr) Terminal d'unité de réseau optique et système de réseau optique passif
JP2008522550A (ja) マルチレート光トランスポンダ
KR20110053537A (ko) 광 입/출력 버스 시스템
JP2008160197A (ja) 加入者宅側光回線終端装置及び光伝送システム
CN203166928U (zh) 基于sfp封装的两路光收发一体模块
CN103716258A (zh) 高密度线卡、交换设备、集群系统及电信号类型配置方法
EP2873174A1 (fr) Procédé et agencement pour fournir une redondance de plan de données
EP2671365A1 (fr) Commutateurs de faisceau de câbles
CN202435545U (zh) 一种基于epon系统的新型onu设备
JP4964105B2 (ja) 通信システムおよびメディアコンバータ
CN216016898U (zh) 一种4口olt的pcb板布局结构
CN105471752A (zh) 基于交换网实现机架堆叠的设备、方法和系统
WO2014008869A1 (fr) Dispositif et système d'accès, et procédé d'envoi de données
CN220307213U (zh) 光电转换驱动电路、光电转换驱动装置和onu设备

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11844993

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 11844993

Country of ref document: EP

Kind code of ref document: A1