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 PDFInfo
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Abstract
The invention discloses a method for rapidly sensing the state of a port in an intelligent ODN (Optical Distribution Network) system and relates to the field of intelligent ODN. The method comprises the steps of: obtaining the information whether a distribution interface board is in position or not by polling port state and returning the port state if the distribution interface board is in position; directly skipping the polling according to not-in-position slots; and obtaining complete electronic label information after confirming that the port state is changed. With the method, the time required for reading the port state of a slot is controlled within 10 ms, so that the time for obtaining port state is obviously shortened, and the port state can be rapidly sensed.
Description
Technical field
The present invention relates to intelligent ODN (Optical Distribution Network, optical distribution network) field, particularly relate to the method for quick sensing port status in a kind of intelligent ODN system.
Background technology
ODN is based on PON (Passive Optical Network, EPON) FTTH (the Fiber To The Home of equipment, fiber to the home) fiber cable network, it is the important component part of FTTH network, its effect is OLT (Optical Line Terminal, optical line terminal) and ONU (Optical Network Unit, optical network unit) between provide transmission line, the optical fiber cable comprising from operator's machine room to subscriber household, optical connector, optical branching device and the corollary equipment etc. connecting these devices is installed.Deployment and the management of tradition ODN network fiber all rely on manual mode, and when data inputting, need by manual typing Fiber connection corresponding relation to background data base, error rate is higher.In engineering construction and O&M, need manual to carry out the searching of fiber connection points or fault point, locate, be difficult to quick position fault point when safeguarding, inefficiency, the sustainability of work is subject to enormous impact.
Along with FTTx (Fiber-to-the-x, intelligent acess) the construction scale of entering lay the epoch, the demand that in FTTx network, magnanimity optical fiber lays and efficiently manages, make operator face high lower deployment cost and huge O&M pressure, how efficiently to manage in ODN network and become the optical fiber of geometric growth more and more to become the focus of industry concern.At present in International Telecommunication Association ITU-T SG15/L.64 standard, existing about use Quick Response Code and RFID (Radio Frequency Identification, radio-frequency (RF) identification) mode such as label realize efficiency light towpath by and the proposed projects of equipment control, as obtained port information by using professional tool to scan Quick Response Code one by one, or carry out marking equipment etc. by RFID.But be limited to technology itself, above two kinds of technology still cannot realize the functions such as the automatic acquisition of optical fiber routing iinformation.
Intelligence ODN system, by introducing global sole electron label and site operation assistant software, takes into account the passive attribute of ODN network, in the maintenance equipment performance of conventional ODN system and the basis of range of application, adds the function of intelligent management.Optical fiber ID (IDentity can be realized, identify label number) management, port status is collected, port searches instruction, visualization tool PDA (Personal Digital Assistant, personal digital assistant), and the functions such as geography information display, fiber optic links diagram, the instruction of equipment geographical coordinate are carried out to whole network topology.Make to obtain the network information more convenient, directly perceived, reliable.Optical fiber automation can be realized and search and operate accurate record, thus realize FTTH efficient deployment and fiber failure is accurately located, reduce greatly and dispose and the cost of O&M.
Intelligence ODN system comprises transport layer and management level, transport layer connects OLT and ONU, transport layer comprises optical fiber cable, light distribution plant and optical cable connection device, management level comprise execute-in-place computer and ODN webmaster, in addition ODN webmaster also with User Resource Management system and WorkForm System and FTTH webmaster interconnected.The main management equipment of ODN network system, route topological, line connecting relation and distribution etc.The basis of these management is identify labels of relevant device and device.Text description that what traditional ODN equipment all adopted substantially is mark, as installation addresses, the unit type of equipment, and the fibre core of connecting fiber needs or the information such as the description of transmission road sequence identifies them.Although these information have very clear and definite position or topology information, be convenient to artificial understanding, be not easy to computer and automatically gather and identify, be difficult to carry out intelligent management.
Electronic label intelligent administrative skill is on fiber active linker, install the IC chip that has global unique encodings, and install on fiber adapter and can read the electrical contact reed of IC on fiber active linker (Integrated Circuit, integrated circuit) chip coded message and one in order to point out the LED light of port.Under operating the control of computer at the scene, distribution plant passes through self-inspection, obtain the connection status of fiber adapter port, and by the electronic labeling information on the fiber active linker that gets, can the information such as whether perception fiber active linker inserts normally, whether the whether correct typing of id information, insertion be correct, by the control of the LED light to fiber adapter upper port, realize the instruction to site operation personnel.
Intelligence ODN system comprises master control administrative unit and sub-frame distribution control board, a distribution plant configures at most a master control administrative unit, it is by USB (Universal Serial BUS, USB) interface and execute-in-place compunication, by sub-frame distribution control board, control and management is carried out to distribution interface plate.The multiple sub-frame of master control administrative unit management, every sub-frame manages multiple distribution interface plate by sub-frame distribution control board, each distribution interface plate manages multiple fiber adapters port by core bus, and the read write command of electronic label chip is linked on required concrete port, thus realization is to the reading of electronic labeling information in the control of LED (Light Emitting Diode, the light-emitting diode) indicator light on fiber adapter and fiber active linker.
In practical operation, field computer is according to pre-configured work order information, and guiding construction personnel on site constructs, and needs the LED can immediately lighted on distribution interface plate on fiber adapter.After treating that optical fiber inserts, judge whether normally to insert by reading electronic labels information, after completing normal insertion, extinguish the LED of port, perform next step operation.In engineering maintenance, need quick obtaining port status, the change of instant reporting port state, the mode of poll is adopted to obtain port electronic label in practical application, in master control administrative unit by and last time poll port electronic label information contrast, the information change of reporting port electronic tag.
Poll flow process is as follows: the electronic labeling information of each port on sub-frame distribution control board every block distribution interface plate that the management of poll frame is lower one by one, the electronic labeling information of master control administrative unit poll management time all sub-frames one by one.The electronic labeling information required time reading a distribution interface plate port is 20ms, and suppose a sub-frame ALARA Principle 10 distribution interface plates, the electronic labeling information of a poll frame needs more than 200ms.Because the consumption that information takes of read port electronic tag is longer, the port of group frame distribution control board management is too much, and polling cycle is long, can not reporting port state information change immediately, can not meet the promptness demand of execute-in-place.
Summary of the invention
The object of the invention is the deficiency in order to overcome above-mentioned background technology, the method of quick sensing port status in a kind of intelligent ODN system is provided, read within the port status required time of a slot can be controlled in 10ms, the time obtaining port status obviously shortens, and realizes quick sensing port status.
The method of quick sensing port status in intelligent ODN system provided by the invention, comprises the following steps: A, get distribution interface plate information whether in place by poll port status, if distribution interface plate is in place just return port status; For slot not in place, directly skip poll; B, when determining that port status changes, just obtain complete electronic labeling information.
In technique scheme, step B comprises the following steps: 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 reads and upgrades port electronic label information.
In technique scheme, in steps A during poll port status, get distribution interface plate information whether in place by monobus 1-wire communication mode.
In technique scheme, getting the time that distribution interface plate information whether in place takies in steps A is 10ms.
In technique scheme, comprise step before steps A: after sub-frame powers on, start the distribution interface plate under the sub-frame distribution of poll one by one control board, record wrap count, again counts more than 10 times, judges the type of poll according to the number of times of poll.
In technique scheme, after sub-frame powers on, the electronic tag of a first poll all of the port, store relevant information, afterwards poll 10 port statuss, the complete all distribution interface dishes of poll are registered as poll once each time.
In technique scheme, if wrap count is first time or is greater than 10, then whether in placely inquire about slot, if in place, then poll port electronic label; If not in place, then the port information of the next slot of poll.
In technique scheme, if wrap count is less than 10, then judge that whether slot is in place according to the information of record, if in place, then poll port status, the port information of the next slot of poll; If not in place, then the port information of the next slot of poll.
In technique scheme, described electronic tag is eID or RFID.
Compared with prior art, advantage of the present invention is as follows:
Apply method of the present invention, read within the port status required time of a slot can be controlled in 10ms, the time obtaining port status obviously shortens, and realizes quick sensing port status.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of intelligent ODN system.
Fig. 2 is the basic operational flowchart of intelligent ODN system.
Fig. 3 is the mutual schematic diagram of training in rotation operation in intelligent ODN system.
Fig. 4 is the flow chart of the embodiment of the present invention.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
Shown in Figure 1, intelligent ODN system is divided into two kinds of application scenarioss:
1, how sub-frame distribution plant: comprise master control administrative unit and multiple sub-frame, in every sub-frame, manages distribution interface plate by sub-frame distribution control board.Master control administrative unit is communicated with handheld device by USB interface, sends tidal data recovering to network management system.
2, list frame distribution plant: directly realize management controlling functions by sub-frame distribution control board, complete the collection to system information, realizes and network management system mutual.
Shown in Figure 2, the basic operating process of intelligent ODN system is as follows: issue control command by Intelligent management terminal, instruction is handed down to sub-frame distribution control board by proprietary protocol by master control administrative unit.After command execution, the data returned are replied to master control administrative unit by proprietary protocol, master control management unit reports network management system again.
Shown in Figure 3, the reciprocal process of training in rotation operation is: Zi Kuang distribution management unit poll finds that port status changes, and reports Intelligent management terminal.Intelligent management terminal judges that whether the change of port status is normal, and inquires about port electronic label information.Sub-frame distribution administrative unit, above send electronic labeling information.Intelligent management terminal judges that whether electronic labeling information is correct, and makes respective operations.
In considering that actual scene uses, in most cases, only need real-time perception port whether in place, obtain the event that port is extracted and inserted, do not need complete electronic tag instant messages, therefore the embodiment of the present invention designs two kinds of polling mechanisms:
1, complete electronic labeling information is obtained.
2, in poll, do not obtain complete electronic labeling information, but only get electronic tag information whether in place by monobus 1-wire communication mode, just directly return port status.1-wire adopts single holding wire, simultaneously transfer clock and data, and transfer of data is two-way, it have save I/O mouth line resource, structure simple, with low cost, be convenient to the plurality of advantages such as bus extension and maintenance.
Shown in Figure 4, the embodiment of the present invention provides the method for quick sensing port status in a kind of intelligent ODN system, comprises the following steps:
After step S 1, 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; In concrete enforcement, the electronic tag of a first poll all of the port after device start, store relevant information, afterwards poll ten port statuss, the complete all distribution interface dishes of poll are registered as poll once each time.
Step S4, inquiry slot (needing 10ms) whether in place, if in place, then forward 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.
Obtain the information whether distribution interface plate is in place, for slot not in place, directly skip poll, save poll time.Poll is repeatedly after port status, poll primary electron label information.By to the scheduling of two kinds of polling mechanisms and effectively control, under the prerequisite of normal operation keeping function, save the time obtaining instant port status, thus meet system instantaneity demand.
After each poll port status obtains the port information of a distribution interface plate, the result of current port status and last poll can be compared, if the port status found that there is there occurs change, there is optical fiber interface to extract or have new interface to insert, then active reporting port status change information, initiatively reads and upgrades port electronic label (eID or RFID) information.This processing mode, namely electronic labeling information can be obtained when port status changes, also can reduce the time required for the change of perception electronic tag port information, only the reading electronic labels information when discovery port status changes, saves poll time.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention comprises these change and modification.The content be not described in detail in this specification belongs to the known prior art of professional and technical personnel in the field.
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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| CN102932062B (en) * | 2012-10-24 | 2016-07-27 | 沈越 | Intelligent optical fiber connects distribution system and adapter port state information identification method |
| CN103558670B (en) * | 2013-10-17 | 2015-04-29 | 烽火通信科技股份有限公司 | Port lamp-flashing system and method in intelligent ODN system |
| CN104796189B (en) * | 2014-01-21 | 2018-08-10 | 南京中兴新软件有限责任公司 | Optical splitter construction method and management terminal |
| CN104618010B (en) * | 2014-12-31 | 2017-03-15 | 山东信通电子股份有限公司 | Optical network resource information verification method |
| CN104717008B (en) * | 2015-03-23 | 2017-08-08 | 吕根良 | Fibre circuit method for searching route, fault detection method and detecting system |
| CN108197682A (en) * | 2018-01-12 | 2018-06-22 | 烽火通信科技股份有限公司 | The sub- frame data processing method and processing system of a kind of no electronic tag |
| CN108183830A (en) * | 2018-02-27 | 2018-06-19 | 辽宁煜鑫通达科技有限公司 | Optical Distribution Network intelligent management method, apparatus, computer readable storage medium and terminal device |
| CN108536085A (en) * | 2018-04-23 | 2018-09-14 | 北京和利时智能技术有限公司 | A kind of monobus means of communication and system |
| CN109829347B (en) * | 2019-02-02 | 2024-01-26 | 常州太平通讯科技有限公司 | Electronic tag reading system based on nested matrix and reading method thereof |
| CN115442268B (en) * | 2022-08-30 | 2023-06-09 | 烽火通信科技股份有限公司 | Network element port state detection and positioning system and method |
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