CN102739309B - Method for rapidly sensing state of port in intelligent ODN (Optical Distribution Network) system - Google Patents

Method for rapidly sensing state of port in intelligent ODN (Optical Distribution Network) system Download PDF

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CN102739309B
CN102739309B CN201210197156.4A CN201210197156A CN102739309B CN 102739309 B CN102739309 B CN 102739309B CN 201210197156 A CN201210197156 A CN 201210197156A CN 102739309 B CN102739309 B CN 102739309B
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port
poll
place
information
port status
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CN102739309A (en
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王欣
肜云
陈海成
张丹
向斐
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Fiberhome Telecommunication Technologies Co Ltd
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Abstract

本发明公开了一种智能ODN系统中快速感知端口状态的方法,涉及智能ODN领域,包括步骤:通过轮询端口状态获取到配线接口板是否在位的信息,如果配线接口板在位就返回端口状态;对于不在位的槽位,直接跳过轮询;确定端口状态发生变化时,才获取完整的电子标签信息。本发明读取一个槽位的端口状态所需时间可控制在10ms以内,获取端口状态的时间明显缩短,实现快速感知端口状态。

The invention discloses a method for quickly sensing the state of a port in an intelligent ODN system, which relates to the field of intelligent ODN, and includes the steps of: acquiring information about whether a wiring interface board is in place by polling the port state, and if the wiring interface board is in place, Return the port status; for the slot that is not in place, skip the polling directly; only when the port status changes, the complete electronic label information will be obtained. The present invention can control the time required for reading the port state of a slot within 10 ms, significantly shortens the time for obtaining the port state, and realizes fast perception of the port state.

Description

智能ODN系统中快速感知端口状态的方法A method for quickly sensing port status in an intelligent ODN system

技术领域 technical field

本发明涉及智能ODN(Optical Distribution Network,光分配网)领域,特别是涉及一种智能ODN系统中快速感知端口状态的方法。The present invention relates to the field of intelligent ODN (Optical Distribution Network, optical distribution network), in particular to a method for quickly sensing port status in an intelligent ODN system.

背景技术 Background technique

ODN基于PON(Passive Optical Network,无源光网络)设备的FTTH(Fiber To The Home,光纤到户)光缆网络,是FTTH网络的重要组成部分,其作用是为OLT(Optical Line Terminal,光线路终端)和ONU(Optical Network Unit,光网络单元)之间提供光传输通道,包括从运营商机房到用户家庭之间的光纤光缆、光连接器、光分路器以及安装连接这些器件的配套设备等。传统ODN网络光纤的部署和管理全部依靠手工方式,在数据录入时,需要通过手工录入光纤连接对应关系到后台数据库,错误率较高。在工程施工和运维中,需要手工进行光纤连接点或故障点的查找、定位,维护时难以快速定位故障点,效率低下,工作的可持续性受到巨大冲击。ODN is based on the FTTH (Fiber To The Home) optical cable network of PON (Passive Optical Network, passive optical network) equipment, which is an important part of the FTTH network. ) and ONU (Optical Network Unit, Optical Network Unit) to provide optical transmission channels, including optical fiber cables, optical connectors, optical splitters, and supporting equipment for installing and connecting these devices from the operator's computer room to the user's home. . The deployment and management of traditional ODN network optical fibers all rely on manual methods. During data entry, it is necessary to manually enter the optical fiber connection to the background database, and the error rate is high. In engineering construction and operation and maintenance, it is necessary to manually search and locate optical fiber connection points or fault points. It is difficult to quickly locate fault points during maintenance, which is inefficient and has a huge impact on the sustainability of work.

随着FTTx(Fiber-to-the-x,光纤接入)的建设进入规模布放时代,FTTx网络中海量光纤布放和高效管理的需求,使得运营商面临高昂的部署成本和巨大的运维压力,如何高效管理ODN网络中成几何级数增长的光纤已经越来越成为业界关注的焦点。目前在国际电联ITU-T SG15/L.64标准中,已有关于使用二维码及RFID(RadioFrequency Identification,射频识别)标签等方式来实现高效光纤路由及设备管理的建议方案,如通过使用专业工具逐个扫描二维码获取端口信息,或通过RFID来标识设备等。但受限于技术本身,以上两种技术仍无法实现光纤路由信息的自动获取等功能。As the construction of FTTx (Fiber-to-the-x, fiber-optic access) enters the era of large-scale deployment, the demand for massive fiber deployment and efficient management in the FTTx network makes operators face high deployment costs and huge O&M How to efficiently manage the geometrically increasing optical fibers in the ODN network has increasingly become the focus of the industry. At present, in the ITU-T SG15/L.64 standard, there are suggestions on using two-dimensional codes and RFID (Radio Frequency Identification, radio frequency identification) tags to achieve efficient fiber routing and equipment management. Professional tools scan QR codes one by one to obtain port information, or use RFID to identify devices, etc. However, limited by the technology itself, the above two technologies still cannot realize functions such as automatic acquisition of optical fiber routing information.

智能ODN系统通过引入全球唯一电子标签及现场施工辅助软件,兼顾ODN网络的无源属性,在保持常规ODN系统的设备性能与应用范围的基础上,增加了智能化管理的功能。可实现光纤ID(IDentity,身份标识号码)管理、端口状态收集、端口查找指示、可视化工具PDA(Personal Digital Assistant,个人数字助理),以及对整个网络拓扑进行地理信息显示、光纤链接图示、设备地理坐标指示等功能。使得获取网络信息更为便捷、直观、可靠。可实现光纤自动化查找及操作精确记录,从而实现FTTH高效部署及光纤故障准确定位,极大的降低部署和运维的成本。The intelligent ODN system introduces the world's only electronic label and on-site construction auxiliary software, taking into account the passive attributes of the ODN network, and adds the function of intelligent management on the basis of maintaining the equipment performance and application range of the conventional ODN system. It can realize optical fiber ID (IDentity, identification number) management, port status collection, port search indication, visualization tool PDA (Personal Digital Assistant, personal digital assistant), and geographic information display of the entire network topology, fiber link diagram, equipment Geographical coordinate indication and other functions. Makes obtaining network information more convenient, intuitive and reliable. It can realize automatic optical fiber search and accurate record of operation, so as to realize efficient deployment of FTTH and accurate positioning of optical fiber faults, and greatly reduce the cost of deployment and operation and maintenance.

智能ODN系统包括传输层和管理层,传输层连接OLT和ONU,传输层包括光纤光缆、光配线设备和光缆连接设备,管理层包括现场操作计算机和ODN网管,此外ODN网管还与用户资源管理系统和工单系统以及FTTH网管互联。ODN网络系统主要管理设备、路由拓扑、线路连接关系和配线等。这些管理的基础是相关设备与装置的身份标识。传统意义上的ODN设备基本上都采用的是文字描述性标识,如设备的安装地址、设备型号,以及连接光纤的纤芯需要或传输路序的描述等信息来对它们进行识别。这些信息虽然具有十分明确的位置或拓扑信息,便于人工理解,但却不便于计算机进行自动采集和识别,难以进行智能化管理。The intelligent ODN system includes a transport layer and a management layer. The transport layer connects OLT and ONU. The transport layer includes optical fiber cables, optical distribution equipment, and optical cable connection equipment. The management layer includes on-site operation computers and ODN network management. The system is interconnected with the work order system and FTTH network management. The ODN network system mainly manages equipment, routing topology, line connection relationship, and wiring. The basis of these managements is the identification of related equipment and devices. ODN devices in the traditional sense basically use text descriptive identification, such as the installation address of the device, the device model, and the description of the core requirements of the connected optical fiber or the description of the transmission path sequence to identify them. Although this information has very clear location or topological information, which is easy for humans to understand, it is not convenient for computers to automatically collect and identify it, and it is difficult to carry out intelligent management.

电子标签智能管理技术是在光纤活动连接器上安装一个具有全球唯一编码的IC芯片,而在光纤适配器上安装可以读取光纤活动连接器上IC(Integrated Circuit,集成电路)芯片编码信息的电接触簧片和一个用以提示端口的LED指示灯。在现场操作计算机的控制下,配线设备通过自检,获取光纤适配器端口的连接状态,并且通过获取到的光纤活动连接器上的电子标签信息,能感知光纤活动连接器是否插入正常、ID信息是否正确录入、插入是否正确等信息,通过对光纤适配器上端口的LED指示灯的控制,实现对现场施工人员的指示。The electronic label intelligent management technology is to install an IC chip with a globally unique code on the optical fiber active connector, and install an electrical contact that can read the IC (Integrated Circuit, integrated circuit) chip code information on the optical fiber active connector on the optical fiber adapter. Reed and an LED indicator to indicate the port. Under the control of the on-site operation computer, the wiring equipment can obtain the connection status of the optical fiber adapter port through self-inspection, and through the obtained electronic label information on the optical fiber active connector, it can sense whether the optical fiber active connector is inserted normally and the ID information Whether the information is entered correctly, whether the insertion is correct, etc., through the control of the LED indicator light on the port of the optical fiber adapter, the instructions to the construction personnel on site are realized.

智能ODN系统包括主控管理单元和子框配线控制板,一个配线设备最多配置一个主控管理单元,它通过USB(Universal Serial BUS,通用串行总线)接口与现场操作计算机通信,通过子框配线控制板对配线接口板进行控制管理。主控管理单元管理多个子框,每个子框可通过子框配线控制板管理多个配线接口板,每个配线接口板通过背板总线管理多个光纤适配端口,并将电子标签芯片的读写指令接入到所要求的具体端口上,从而实现对光纤适配器上的LED(Light EmittingDiode,发光二极管)指示灯的控制和光纤活动连接器中电子标签信息的读取。The intelligent ODN system includes a main control management unit and a sub-frame wiring control board. A wiring device is equipped with at most one main control management unit, which communicates with the on-site operation computer through a USB (Universal Serial BUS, universal serial bus) interface, and through the sub-frame The wiring control board controls and manages the wiring interface board. The main control management unit manages multiple sub-frames, and each sub-frame can manage multiple distribution interface boards through the sub-frame distribution control board, and each distribution interface board can manage multiple optical fiber adapter ports through the backplane bus, and the electronic label The read and write instructions of the chip are connected to the required specific port, so as to realize the control of the LED (Light Emitting Diode, light emitting diode) indicator light on the fiber optic adapter and the reading of the electronic label information in the fiber optic active connector.

在实际操作中,现场计算机根据预先配置的工单信息,指导施工人员现场施工,需要能即时点亮配线接口板上光纤适配器上的LED灯。待光纤插入之后,通过读取电子标签信息判断是否已正常插入,完成正常插入之后熄灭端口的LED灯,执行下一步操作。在工程维护中,需要快速获取端口状态,即时上报端口状态的变化,实际应用中采用轮询的方式获取端口电子标签,在主控管理单元中通过和上次轮询的端口电子标签信息进行对比,上报端口电子标签的信息变化。In actual operation, the on-site computer guides the construction personnel on-site construction according to the pre-configured work order information, and needs to be able to instantly light up the LED light on the fiber optic adapter on the wiring interface board. After the optical fiber is inserted, judge whether it has been inserted normally by reading the electronic label information. After the normal insertion is completed, turn off the LED light of the port and proceed to the next step. In engineering maintenance, it is necessary to quickly obtain port status and report changes in port status immediately. In practical applications, polling is used to obtain port electronic tags, and the main control management unit compares with the port electronic tag information polled last time. , to report the information change of the port electronic label.

轮询流程如下:子框配线控制板逐个轮询子框管理下的每块配线接口板上每个端口的电子标签信息,主控管理单元逐个轮询管理下所有子框的电子标签信息。读取一个配线接口板端口的电子标签信息所需时间是20ms,假设一个子框可管理10个配线接口板,轮询一个子框的电子标签信息需要超过200ms。由于读取端口电子标签的信息所需时耗较长,当子框配线控制板管理的端口过多,轮询周期过长,不能即时上报端口状态信息变化,不能满足现场操作的及时性需求。The polling process is as follows: the sub-frame wiring control board polls the electronic label information of each port on each wiring interface board under the management of the sub-frame one by one, and the main control management unit polls the electronic label information of all sub-frames under management one by one . It takes 20ms to read the electronic label information of a distribution interface board port. Assuming that a sub-box can manage 10 distribution interface boards, it takes more than 200ms to poll the electronic label information of a sub-box. Because it takes a long time to read the information of the electronic label of the port, when there are too many ports managed by the sub-frame wiring control board, the polling cycle is too long, and the port status information change cannot be reported immediately, which cannot meet the timeliness requirements of on-site operation .

发明内容 Contents of the invention

本发明的目的是为了克服上述背景技术的不足,提供一种智能ODN系统中快速感知端口状态的方法,读取一个槽位的端口状态所需时间可控制在10ms以内,获取端口状态的时间明显缩短,实现快速感知端口状态。The purpose of the present invention is to overcome the above-mentioned deficiencies in the background technology, and provide a method for quickly sensing the port state in an intelligent ODN system. The time required to read the port state of a slot can be controlled within 10ms, and the time for obtaining the port state is obvious. Shortened to achieve fast perception of port status.

本发明提供的智能ODN系统中快速感知端口状态的方法,包括以下步骤:A、通过轮询端口状态获取到配线接口板是否在位的信息,如果配线接口板在位就返回端口状态;对于不在位的槽位,直接跳过轮询;B、确定端口状态发生变化时,才获取完整的电子标签信息。The method for quickly sensing the port state in the intelligent ODN system provided by the present invention comprises the following steps: A, obtain the information whether the wiring interface board is in place by polling the port state, and return the port state if the wiring interface board is in place; For the slots that are not in place, skip the polling directly; B. When it is determined that the port status changes, the complete electronic label information is obtained.

在上述技术方案中,步骤B包括以下步骤:每次轮询端口状态获得一个配线接口板的端口信息后,将当前端口状态和上一次轮询的结果进行比较,如果发现当前端口状态发生了改变,有光纤接口拔出或者有新的接口插入,则主动上报端口状态变化信息,主动读取并更新端口电子标签信息。In the above technical solution, step B includes the following steps: After each polling port status to obtain the port information of a distribution interface board, compare the current port status with the result of the last poll, if it is found that the current port status has occurred If the optical fiber interface is pulled out or a new interface is inserted, it will actively report the port status change information, and actively read and update the port electronic label information.

在上述技术方案中,步骤A中轮询端口状态时,通过单总线1-wire通信方式获取到配线接口板是否在位的信息。In the above technical solution, when the port status is polled in step A, the information on whether the distribution interface board is in place is obtained through the single-bus 1-wire communication mode.

在上述技术方案中,步骤A中获取到配线接口板是否在位的信息占用的时间为10ms。In the above technical solution, in step A, it takes 10 ms to obtain the information of whether the distribution interface board is in place.

在上述技术方案中,步骤A之前包括步骤:子框上电后,开始逐个轮询子框配线控制板下的配线接口板,记录轮询次数,超过10次重新计数,根据轮询的次数判断轮询的类型。In the above technical solution, steps before step A include: after the subframe is powered on, start polling the wiring interface board under the wiring control board of the subframe one by one, record the number of polling, and recount if it exceeds 10 times, according to the number of polling The number of times determines the type of polling.

在上述技术方案中,子框上电后,先轮询一遍所有端口的电子标签,存储相关信息,之后轮询10次端口状态,每一次轮询完所有的配线接口盘被记录为轮询了一次。In the above technical solution, after the sub-frame is powered on, it first polls the electronic tags of all ports, stores relevant information, and then polls the port status 10 times, and every polling of all wiring interface panels is recorded as polling once.

在上述技术方案中,若轮询次数为第一次或大于10,则查询槽位是否在位,如果在位,则轮询端口电子标签;如果不在位,则轮询下一个槽位的端口信息。In the above technical solution, if the number of polls is the first time or greater than 10, then query whether the slot is in place, if it is in place, then poll the port electronic tag; if not in place, then poll the port of the next slot information.

在上述技术方案中,若轮询次数小于10,则根据记录的信息判断槽位是否在位,如果在位,则轮询端口状态,轮询下一个槽位的端口信息;如果不在位,则轮询下一个槽位的端口信息。In the above technical scheme, if the number of polling times is less than 10, then judge whether the slot is in place according to the recorded information, if it is in place, then poll the port status, and poll the port information of the next slot; if not in place, then Poll the port information of the next slot.

在上述技术方案中,所述电子标签为eID或RFID。In the above technical solution, the electronic tag is eID or RFID.

与现有技术相比,本发明的优点如下:Compared with prior art, advantage of the present invention is as follows:

应用本发明的方法,读取一个槽位的端口状态所需时间可控制在10ms以内,获取端口状态的时间明显缩短,实现快速感知端口状态。By applying the method of the present invention, the time required to read the port state of a slot can be controlled within 10 ms, the time for obtaining the port state is significantly shortened, and the port state can be quickly sensed.

附图说明 Description of drawings

图1是智能ODN系统的结构框图。Fig. 1 is a structural block diagram of an intelligent ODN system.

图2是智能ODN系统基本的操作流程图。Fig. 2 is a basic operation flowchart of the intelligent ODN system.

图3是智能ODN系统中轮训操作的交互示意图。Fig. 3 is an interactive schematic diagram of rotation training operation in the intelligent ODN system.

图4是本发明实施例的流程图。Fig. 4 is a flowchart of an embodiment of the present invention.

具体实施方式 Detailed ways

下面结合附图及具体实施例对本发明作进一步的详细描述。The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

参见图1所示,智能ODN系统分为两种应用场景:As shown in Figure 1, the intelligent ODN system is divided into two application scenarios:

1、多子框配线设备:包括主控管理单元和多个子框,每个子框中,由子框配线控制板管理配线接口板。主控管理单元通过USB接口和手持设备通信,将数据汇集传送给网络管理系统。1. Multi-sub-frame wiring equipment: including the main control management unit and multiple sub-frames. In each sub-frame, the sub-frame wiring control board manages the wiring interface board. The main control management unit communicates with the handheld device through the USB interface, and collects and transmits the data to the network management system.

2、单子框配线设备:直接由子框配线控制板实现管理控制功能,完成对系统信息的采集,实现和网络管理系统的交互。2. Single sub-frame wiring equipment: the sub-frame wiring control board directly realizes the management and control functions, completes the collection of system information, and realizes the interaction with the network management system.

参见图2所示,智能ODN系统基本的操作流程如下:由智能管理终端下发控制命令,主控管理单元将指令通过私有协议下发给子框配线控制板。命令执行后,将返回的数据通过私有协议回复给主控管理单元,主控管理单位再上报给网络管理系统。As shown in Figure 2, the basic operation process of the intelligent ODN system is as follows: the intelligent management terminal issues control commands, and the main control management unit issues the commands to the sub-frame wiring control board through a private protocol. After the command is executed, the returned data will be returned to the main control management unit through a private protocol, and then the main control management unit will report it to the network management system.

参见图3所示,轮训操作的交互过程为:子框配线管理单位轮询发现端口状态发生改变,上报给智能管理终端。智能管理终端判断端口状态的改变是否正常,并查询端口电子标签信息。子框配线管理单元,上送电子标签信息。智能管理终端判断电子标签信息是否正确,并做出对应操作。As shown in FIG. 3 , the interactive process of the rotation training operation is as follows: the sub-frame wiring management unit polls and finds that the port status changes, and reports it to the intelligent management terminal. The intelligent management terminal judges whether the change of the port state is normal, and queries the port electronic label information. The sub-frame wiring management unit sends electronic label information. The intelligent management terminal judges whether the electronic label information is correct, and makes corresponding operations.

考虑到实际场景运用中,在大部分情况下,只需要实时感知端口是否在位,获得端口拔出和插入的事件,不需要完整的电子标签即时信息,故本发明实施例设计两种轮询机制:Considering that in the actual scene application, in most cases, it is only necessary to sense whether the port is in place in real time, and to obtain the event of port unplugging and plugging, and does not need the complete instant information of the electronic tag, so the embodiment of the present invention designs two kinds of polling mechanism:

1、获取完整的电子标签信息。1. Obtain complete electronic label information.

2、在轮询中不获取完整的电子标签信息,而是通过单总线1-wire通信方式只获取到电子标签是否在位的信息,就直接返回端口状态。1-wire采用单根信号线,同时传输时钟和数据,且数据传输是双向的,它具有节省I/O口线资源、结构简单、成本低廉、便于总线扩展和维护等诸多优点。2. The complete electronic tag information is not obtained during polling, but only the information of whether the electronic tag is in place is obtained through the single-bus 1-wire communication method, and the port status is returned directly. 1-wire uses a single signal line to transmit clock and data at the same time, and the data transmission is bidirectional. It has many advantages such as saving I/O port line resources, simple structure, low cost, and convenient for bus expansion and maintenance.

参见图4所示,本发明实施例提供一种智能ODN系统中快速感知端口状态的方法,包括以下步骤:Referring to Fig. 4, an embodiment of the present invention provides a method for quickly sensing port status in an intelligent ODN system, including the following steps:

步骤S 1、子框上电后,开始逐个轮询子框配线控制板下的配线接口板;Step S 1. After the sub-frame is powered on, start polling the wiring interface boards under the wiring control board of the sub-frame one by one;

步骤S2、记录轮询次数,超过10次重新计数;Step S2, recording the number of polling times, and recounting more than 10 times;

步骤S3、根据轮询的次数判断轮询的类型,若轮询次数为第一次或大于10,则转到步骤S4;若轮询次数小于10,则转到步骤S6;在具体实施中,设备启动后先轮询一遍所有端口的电子标签,存储相关信息,之后轮询十次端口状态,每一次轮询完所有的配线接口盘被记录为轮询了一次。Step S3, judge the type of polling according to the number of polling times, if the number of polling times is the first time or greater than 10, then go to step S4; if the number of polling times is less than 10, then go to step S6; in specific implementation, After the device is started, it first polls the electronic tags of all ports to store relevant information, and then polls the port status ten times. After polling all the wiring interface boards each time, it is recorded as polling once.

步骤S4、查询槽位是否在位(需要10ms),如果在位,则转到步骤S5;如果不在位,则转到步骤S8;Step S4, query whether the slot is in place (requires 10ms), if in place, then go to step S5; if not in place, then go to step S8;

步骤S5、轮询端口电子标签,转到步骤S8;Step S5, polling the port electronic label, go to step S8;

步骤S6、根据记录的信息判断槽位是否在位,如果在位,则转到步骤S7;如果不在位,则转到步骤S8;Step S6, judging whether the slot is in place according to the recorded information, if in place, then go to step S7; if not in place, then go to step S8;

步骤S7、轮询端口状态,转到步骤S8;Step S7, polling port status, go to step S8;

步骤S8、结束轮询之后,轮询下一个槽位的端口信息。如果是轮询端口电子标签,读取配线接口盘端口的电子标签信息需要20ms,如果是轮询端口状态,直接读取配线接口盘端口的端口状态只需要10ms。Step S8. After the polling is finished, the port information of the next slot is polled. If the port electronic label is polled, it takes 20ms to read the electronic label information of the wiring interface panel port. If the port status is polled, it only takes 10ms to directly read the port status of the wiring interface panel port.

获取配线接口板是否在位的信息,对于不在位的槽位,直接跳过轮询,节省了轮询时间。轮询多次端口状态后,轮询一次电子标签信息。通过对两种轮询机制的调度和有效的控制,在保持功能的正常运作的前提下,节省了获得即时端口状态的时间,从而满足系统即时性需求。Obtain information about whether the distribution interface board is in place, and directly skip polling for slots that are not in place, saving polling time. After polling the port status multiple times, poll the electronic label information once. Through the scheduling and effective control of the two polling mechanisms, on the premise of maintaining the normal operation of the function, the time for obtaining the real-time port status is saved, thereby meeting the real-time requirement of the system.

每次轮询端口状态获得一个配线接口板的端口信息后,会将当前的端口状态和上一次轮询的结果进行比较,如果发现有的端口状态发生了改变,有光纤接口拔出或者有新的接口插入,则主动上报端口状态变化信息,主动读取并更新端口电子标签(eID或RFID)信息。这种处理方式,即可以在端口状态发生变化的时候获得电子标签信息,也可以降低感知电子标签端口信息变化所需要的时间,只在发现端口状态发生改变的时候读取电子标签信息,节省了轮询时间。After polling the port status each time to obtain the port information of a distribution interface board, the current port status will be compared with the last polling result. When a new interface is inserted, it will actively report the port status change information, and actively read and update the port electronic label (eID or RFID) information. This processing method can obtain the electronic tag information when the port status changes, and can also reduce the time required for sensing the electronic tag port information change, and only read the electronic tag information when the port status changes, saving Polling time.

显然,本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发明的精神和范围,倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内,则本发明包含这些改动和变型在内。本说明书中未作详细描述的内容属于本领域专业技术人员公知的现有技术。Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. The invention includes such modifications and variations. The content not described in detail in this specification belongs to the prior art known to those skilled in the art.

Claims (1)

1. the method for quick sensing port status in intelligent ODN system, is characterized in that comprising the following steps:
After step S1, sub-frame power on, start the distribution interface plate under the sub-frame distribution of poll one by one control board;
Step S2, record wrap count, count again more than 10 times;
Step S3, judge the type of poll according to the number of times of poll, if wrap count for first time or be greater than 10, then forwards step S4 to; If wrap count is less than 10, then forward step S6 to;
Step S4, inquiry slot whether in place, the time taken is 10ms, if in place, then forwards step S5 to; If not in place, then forward step S8 to;
Step S5, poll port electronic label, forward step S8 to;
Step S6, according to record information judge that whether slot in place, if in place, then forward step S7 to; If not in place, then forward step S8 to;
Step S7, poll port status, forward step S8 to;
After step S8, end poll, the port information of the next slot of poll; If poll port electronic label, the electronic labeling information reading distribution interface dish port needs 20ms, if poll port status, the port status directly reading distribution interface dish port only needs 10ms;
When A, poll port status, get distribution interface plate information whether in place by monobus 1-wire communication mode, if distribution interface plate is in place just return port status; For slot not in place, directly skip poll; Poll is repeatedly after port status, poll primary electron label information;
B, when determining that port status changes, just obtain complete electronic labeling information:
After each poll port status obtains the port information of a distribution interface plate, the result of current port state and last poll is compared, if find that current port state there occurs change, there is optical fiber interface to extract or have new interface to insert, then active reporting port status change information, initiatively read and upgrade port electronic label information, described electronic tag is eID or RFID.
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