CN104079346A - Remote judging and positioning method and device for EPON (Ethernet Passive Optical Network) multi-level non-average optical fiber link circuit failures - Google Patents
Remote judging and positioning method and device for EPON (Ethernet Passive Optical Network) multi-level non-average optical fiber link circuit failures Download PDFInfo
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Abstract
A remote judge positioning method and a device for EPON ( Ethernet Passive Optical Network) multi-level non-average optical fiber link circuit failures are characterized in that the method comprises the following steps: initializing EPON circuit optical fiber link circuit information; screening warning information that might arouse the optical fiber link circuit failures in EPON network management primordial warning information; utilizing an OTDR (optical time domain reflectometry) testing optical software to discover specific optical fiber link circuit optical fiber breaking point information in the warning information; judging and positioning failure styles: entering an equipment failure style processing flow if the failure style is an equipment failure; entering an optical fiber link circuit failure position positioning display if the failure style is an optical fiber link circuit failure. The device comprises an EPON failure warning acquisition unit, an optical fiber link circuit relevant failure screening unit, an optical fiber link circuit relevant failure memory unit, an optical fiber link circuit optical time-domain testing unit, an optical fiber link circuit resource information memory unit and an optical fiber link circuit failure displaying and positioning unit. The invention has the advantage that the positioning is quick and accurate.
Description
Technical field
The present invention relates to a kind of Fibre Optical Communication Technology, especially a kind of power communication fault type and location determination technology, the specifically multistage non-long-range judgement localization method of optical fiber link fault and the device divided equally of a kind of EPON.
Background technology
At present, State Grid Corporation of China's intelligence is joined power information system communication Access Network and is extensively adopted EPON technology, and along with EPON optical-fiber network is disposed the continuous expansion of scale, its network operation work becomes more and more important.Because distribution communication EPON network lays with distribution line, many in city wide coverage, optical cable and joint quantity, easily cause the signal interruption by municipal construction, vehicle are hung up, artificial destruction etc. causes.Because the optical fiber link in EPON system is contacted by multistage optical splitter, at turnover optical splitter and access ONU equipment place, test waveform easily forms multiple reflection at peak.Fault crest and the mutual interference of numerous optical fiber link node reflection at peak phase, make traditional point-to-point OTDR(optical time domain reflectometer) test curve be manually difficult to distinguish fast guilty culprit position, need to carry optical fiber link and form in detail data.
Existing EPON optical fiber link fault judges with localization process mode: when webmaster detects on data retransmission link, failure of connectivity occurs, can notify immediately other module to carry out the operation such as link switching and alarm demonstration.When webmaster is found transmission channel failure of connectivity and ONU offline information, it is ONU power down that attendant is difficult to distinguish, fibercuts, tail optical fiber such as extracts at the failure cause, the differentiation need of work of the transmission channel connected trouble that fibercuts causes is reached the spot by personnel, communication cabinet checkout facility on open position node, thereby removal equipment power down and optical fiber such as extract at the fault cause, end-to-end by OTDR collection analysis is again scattering and reflection configuration data between optical splitter node at the corresponding levels and next stage optical splitter node, the substantial distance that produces crest apart from optical splitter at the corresponding levels by new fault crest between node is carried out optical cable side optical fibers fracture defect location, this kind differentiated the method for optical fiber link fault in the face of distance center station EPON circuit far away, carrying out in fault distinguishing process, personnel's judgement of need to reaching the spot, fault treating procedure expends plenty of time and transportation cost.
Summary of the invention
The object of the invention is to send after alarm for current webmaster, artificial to on-the-spot judgement fault, carry out again the loaded down with trivial details and inefficiency problem of test position fix, invent a kind of multistage non-long-range judgement localization method of optical fiber link fault of dividing equally of EPON that can determine fast fault type and place, a kind of corresponding positioner of judging is provided simultaneously.
One of technical scheme of the present invention is:
The multistage non-long-range judgement localization method of optical fiber link fault of dividing equally of a kind of EPON, is characterized in that it comprises the following steps:
First, initialization EPON circuit optical fiber link data, sets up optical fiber link through the position of node and path composition, and the information mapping of node in the waveform that improves normal optical fibre link circuit testing and circuit, for later stage fault judges and location provides foundation;
Secondly, from EPON webmaster original alarm information, filter out the warning information that may be caused by optical fiber link fault; It by northbound interface in EPON equipment vendors webmaster extract instant fault message and with in initialization storehouse, mate with optical fiber link fault phase associated alarm information, thereby filter out corresponding warning information;
The 3rd, utilizing OTDR(optical time domain reflectometer) test finds the concrete optical fiber link breakaway poing information in warning information, judge fault type, utilize OTDR optical tests unit to carry out optical fibre link circuit testing under corresponding OLT equipment PON mouth, obtaining waveform compares with normal waveform, if find, the original crest in new crest or rear disappears, thereby judges that fault type is as optical cable side optical fibers fracture defect, otherwise is equipment side fault; If fault type is at equipment side, access arrangement side fault type handling process; If fault type is optical fiber link fault, carry out optical fiber link abort situation locating display.
Described initialization EPON circuit optical fiber link data comprises the following steps:
First, the geographic paths of the welding of typing optical fiber link and distribution jumper connection data and optical fiber link place optical cable trend in the resource management of EPON communication line;
Secondly, information binding optical tester measuring fiber and OLT equipment PON mouth optical fiber link;
The 3rd, obtain optical fiber link proper testing waveform;
The 4th, demarcate the waveform node in waveform;
The 5th, interface message in binding webmaster in equipment PON interface and resource management, for when the network management alarm, make system recognize that the PON mouth of actual OLT connects each ONU ruuning situation under optical fiber link, need to the virtual interface information of OLT in webmaster is existing associated with the PON cause for gossip in real equipment, thus after making device can understand webmaster fault, test corresponding optical fiber link information.
When described equipment side fault type is processed, first configured by the first checkout facility of webmaster program, dispose by arrive concrete optical fiber link breakaway poing scene by workmen if not equipment configuration.
When described optical cable side optical fibers fracture defect is processed, the nearest optical splitter of the crest position crest distance of OTDR testing software test is offered to GIS geography information module, direct pushed information also shows that abort situation is on circuit geographical map.
Two of technical scheme of the present invention is:
The multistage non-long-range judgement positioner of optical fiber link fault of dividing equally of a kind of EPON, is characterized in that it comprises:
One EPON fault warning acquiring unit 101, it,, by webmaster northbound interface, directly obtains alarm Trap information and description;
One optical fiber link relevant fault memory cell 103, the alarm type information that it may cause due to fibercuts for storing EPON network alarm;
One optical fiber link relevant fault screening unit 102, the optical fiber relevant fault information that it is stored by fault warning information that EPON fault warning acquiring unit 101 is obtained and optical fiber link relevant fault memory cell 103 is compared, and finds that whether failure cause is the fibercuts reason fault that is associated; The appearance of the fault warning information that is associated with fibercuts if find that there is, enters the judgement of optical fiber link fault;
One optical fiber link resource information memory cell 105, it is for composition and the geographic paths information of storing fiber optic link; Can obtain by it the OLT equipment PON light mouth that optical fiber link is corresponding, thus notice optical fiber link light time domain test unit 104;
One optical fiber link light time domain test unit 104, it is received after test notice, optical switch is switched under OLT equipment PON light mouth optical fiber link, squeeze into the test light different from equipment emission wavelength, merge by waveform wave multiplexer part, obtain the up-to-date shape information of link, compare with normal waveform, find fibercuts point interval and position; The analysis that mutually combines of optical fiber link resource information memory cell 105 and optical fiber link light time domain test unit 104, obtains the nearest optical splitter at breakaway poing place and the length apart from optical splitter;
One optical fiber link fault shows that it can will obtain the nearest optical splitter at breakaway poing place and become geographical position to be shown on geographic paths figure apart from the length transition of optical splitter with positioning unit 106, points out user's fibercuts location point.
The networking or be connected and carry out work with EPON NM server in port mapping mode from another network in one network of described EPON fault warning acquiring unit 101 and EPON NM server.
Beneficial effect of the present invention:
Judge localization method with respect to the multistage non-optical fiber link fault of dividing equally of existing EPON, the fault warning of sending towards webmaster, user can differentiate and positioning optical waveguides link fracture defect in main website, in the time there is the optical fiber link phenomenon of rupture that outside destroy etc. causes, remover apparatus side fault cause, user can directly send troop to rush to repair; In the time there is equipment side fault, can get rid of the optical fiber link origin cause of formation, the minimizing personnel number of times checking of reaching the spot.Thereby reduce to a certain extent the difficulty that artificial fault is studied and judged, increase work efficiency.
Brief description of the drawings
Fig. 1 is EPON optical fiber link fault decision flow chart of the present invention.
Fig. 2 is initialization EPON circuit optical fiber link data-flow diagram of the present invention.
Fig. 3 is the long-range judgement of EPON optical fiber link fault of the present invention and positioner composition frame chart schematic diagram.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated.
Embodiment mono-.
As shown in Figure 1, 2.
The multistage non-long-range judgement localization method of optical fiber link fault of dividing equally of a kind of EPON, as shown in Figure 1, it comprises the steps:
Step S101: initialization EPON circuit optical fiber link data;
Set up position and the path composition of optical fiber link through node (as OLT place website, optical splitter and ONU place optical fiber distribution box, ring main unit etc.), improve the information mapping of node in the waveform of normal optical fibre link circuit testing and circuit etc., for later stage fault judgement provides foundation with location.
Step S102: filter out the warning information that may be caused by optical fiber link fault from EPON webmaster original alarm information.
To northbound interface in EPON equipment vendors webmaster extract instant fault message and with in initialization storehouse, mate with optical fiber link fault phase associated alarm information, thereby filter out corresponding warning information.
Step S103: utilize OTDR(optical time domain reflectometer) test the concrete optical fiber link fibercuts dot information of finding in warning information, judge fault type; Optical software can carry software or be realized by those skilled in the art's self-developing by employing equipment.
Utilize OTDR optical tests unit to carry out optical fibre link circuit testing under corresponding OLT equipment PON mouth, obtaining waveform compares with normal waveform, if find, the original crest in new crest or rear disappears, thereby judges that fault type is as optical cable side optical fibers fracture defect, proceeds to step S105 and processes.Otherwise be equipment side fault, proceed to step S104 and process.
Step S104: access arrangement side fault type handling process;
Equipment side fault is that the faults such as equipment configuration, power supply, equipment self or apparatus optical fiber mouth come off form, and can allow webmaster program first to check configuration, is getting rid of after allocation problem, and the equipment place of reaching the spot processes.
Step S105: carry out optical fiber link abort situation locating display;
The nearest optical splitter of the crest position crest distance of OTDR testing software (can employing equipment carry software or realized by those skilled in the art's self-developing) test is offered to GIS geography information module, and directly pushed information also shows that abort situation is on circuit geographical map.
For the initialization EPON circuit optical fiber link data of a certain business optical fiber link in a newly-built EPON circuit as shown in Figure 2, it comprises the following steps:
Step S1011: the geographic paths of the welding of typing optical fiber link and distribution jumper connection data and optical fiber link place optical cable trend in the resource management of EPON communication line.
EPON communication line rm-cell can be realized the geographic paths management of measuring fiber link place optical cable.The optical cable of each segmentation passes through welding, the association of distribution jumper connection relational implementation between measuring fiber link, thereby safeguards the geography trend of optical fiber link reality.
Step S1012: binding optical tester and OLT equipment PON mouth optical fiber link
Optical tests unit possesses Multichannel photoswitch, can meet the handoff functionality of multi-channel test light.Realize information binding by OLT equipment PON mouth and optical tests unit light switch, reach the object of the corresponding road optical fiber link to be tested of a road optical switch.
Step S1013: obtain optical fiber link proper testing waveform
After having bound, by optical tester, optical fiber link to be determined is carried out to optical tests, the waveform when obtaining optical fiber link and normally working.
Step S1014: demarcate the waveform node in waveform;
After optical tests completes, on the waveform obtaining, will there are multiple crest nodes, by user according in optical fiber link, form node produce crest carry out crest apart from the staking-out work of node.
Step S1015: the interface message in binding webmaster in equipment PON interface and resource management
For when the network management alarm, make system recognize that the PON mouth of actual OLT connects each ONU ruuning situation under optical fiber link, need to the virtual interface information of OLT in webmaster is existing associated with the PON cause for gossip in real equipment, thus after making device can understand webmaster fault, test corresponding optical fiber link information.
Embodiment bis-.
As shown in Figure 3.
The multistage non-long-range judgement positioner of optical fiber link fault of dividing equally of a kind of EPON, it comprises EPON fault warning acquiring unit 101, optical fiber link relevant fault screening unit 102, optical fiber link relevant fault memory cell 103, optical fiber link light time domain test unit 104, optical fiber link resource information memory cell 105 and the displaying of optical fiber link fault and positioning unit 106.Described EPON fault warning acquiring unit 101, by webmaster northbound interface, directly obtains alarm Trap information and description.Alarm Unit can with the networking or be connected with EPON NM server in port mapping mode from another network in one network of EPON NM server, carry out work.Compare by the optical fiber relevant fault information that the fault warning information of acquisition and optical fiber link relevant fault memory cell 103 are stored in described optical fiber link relevant fault screening unit 102, whether discovery failure cause is the fibercuts reason fault that is associated.The appearance of the fault warning information that is associated with fibercuts if find that there is, enters the judgement of optical fiber link fault.Described optical fiber link resource information memory cell 105, composition and the geographic paths information of having stored optical fiber link.Can obtain by it the OLT equipment PON light mouth that optical fiber link is corresponding, thus the described optical fiber link light time domain test unit 104 of notice.Described optical fiber link light time domain test unit 104, receive after test notice, optical switch is switched under OLT equipment PON mouth optical fiber link, squeeze into the test light different from equipment emission wavelength, merge by waveform wave multiplexer part, obtain the up-to-date shape information of link, compare with normal waveform, find fibercuts point interval and position.Described optical fiber link resource information memory cell 105 and optical fiber link light time domain test unit 104 fibercuts point test results, the analysis that mutually combines, can obtain the nearest optical splitter at breakaway poing place and the length apart from optical splitter.Described optical fiber link fault displaying is obtained the nearest optical splitter at breakaway poing place and is become geographical position to be shown on geographic paths figure apart from the length transition of optical splitter according to above-mentioned with positioning unit 106, prompting user fibercuts location point.
The part that the present invention does not relate to all prior art that maybe can adopt same as the prior art is realized.
Above the disclosed embodiments explanation, makes those skilled in the art can realize or use the present invention.The professional and technical personnel of multiple this professional domain of amendment transfer pair concerning these embodiment, will be apparent, principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment as herein described, but will meet principle disclosed herein and features of novelty the widest consistent scope.
Claims (6)
1. the multistage non-long-range judgement localization method of optical fiber link fault of dividing equally of EPON, is characterized in that it comprises the following steps:
First, initialization EPON circuit optical fiber link data, sets up optical fiber link through the position of node and path composition, and the information mapping of node in the waveform that improves normal optical fibre link circuit testing and circuit, for later stage fault judges and location provides foundation;
Secondly, from EPON webmaster original alarm information, filter out the warning information that may be caused by optical fiber link fault; It by northbound interface in EPON equipment vendors webmaster extract instant fault message and with in initialization storehouse, mate with optical fiber link fault phase associated alarm information, thereby filter out corresponding warning information;
The 3rd, utilize OTDR test to find the concrete optical fiber link breakaway poing information in warning information, judge fault type, utilize OTDR optical tests unit to carry out optical fibre link circuit testing under corresponding OLT equipment PON mouth, obtaining waveform compares with normal waveform, if find, the original crest in new crest or rear disappears, thereby judges that fault type is as optical cable side optical fibers fracture defect, otherwise is equipment side fault; If fault type is at equipment side, access arrangement side fault type handling process; If fault type is optical cable side optical fibers link failure, carry out optical fiber link abort situation locating display.
2. method according to claim 1, is characterized in that described initialization EPON circuit optical fiber link data comprises the following steps:
First, the geographic paths of the welding of typing optical fiber link and distribution jumper connection data and optical fiber link place optical cable trend in the resource management of EPON communication line;
Secondly, information binding optical tester measuring fiber and OLT equipment PON mouth optical fiber link;
The 3rd, obtain optical fiber link proper testing waveform;
The 4th, demarcate the waveform node in waveform;
The 5th, interface message in binding webmaster in equipment PON interface and resource management, for when the network management alarm, make system recognize that the PON mouth of actual OLT connects optical fiber link, need to the virtual interface information of OLT in webmaster is existing associated with the PON cause for gossip in real equipment, thus after making device can understand webmaster fault, test corresponding optical fiber link information.
3. method according to claim 1, is characterized in that when described equipment side fault type is processed first being configured by the first checkout facility of webmaster program, disposes by arrive concrete optical fiber link breakaway poing scene by workmen if not equipment configuration.
4. method according to claim 1, it is characterized in that, when described optical cable side optical fibers fracture defect is processed, the nearest optical splitter of the crest position crest distance of OTDR testing software test is offered to GIS geography information module, direct pushed information also shows that abort situation is on circuit geographical map.
5. the multistage non-long-range judgement positioner of optical fiber link fault of dividing equally of EPON, is characterized in that it comprises:
One EPON fault warning acquiring unit (101), it,, by webmaster northbound interface, directly obtains alarm Trap information and description;
One optical fiber link relevant fault memory cell (103), the alarm type information that it may cause due to fibercuts for storing EPON network alarm;
One optical fiber link relevant fault screening unit (102), it is compared by the optical fiber relevant fault information of fault warning information and optical fiber link relevant fault memory cell (103) storage that EPON fault warning acquiring unit (101) is obtained, and whether discovery failure cause is the fibercuts reason fault that is associated; The appearance of the fault warning information that is associated with fibercuts if find that there is, enters the judgement of optical fiber link fault;
One optical fiber link resource information memory cell (105), it is for composition and the geographic paths information of storing fiber optic link; Can obtain by it the OLT equipment PON light mouth that optical fiber link is corresponding, thus notice optical fiber link light time domain test unit (104);
One optical fiber link light time domain test unit (104), it is received after test notice, optical switch is switched under OLT equipment PON light mouth optical fiber link, squeeze into the test light different from equipment emission wavelength, merge by waveform wave multiplexer part, obtain the up-to-date shape information of link, compare with normal waveform, find fibercuts point interval and position; The analysis that mutually combines of optical fiber link resource information memory cell (105) and optical fiber link light time domain test unit (104), obtains the nearest optical splitter at breakaway poing place and the length apart from optical splitter;
One optical fiber link fault shows that it can will obtain the nearest optical splitter at breakaway poing place and become geographical position to be shown on geographic paths figure apart from the length transition of optical splitter with positioning unit (106), prompting user fibercuts location point.
6. device according to claim 5, is characterized in that the networking or be connected and carry out work with EPON NM server in port mapping mode from another network in one network of described EPON fault warning acquiring unit (101) and EPON NM server.
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| CN104734775A (en) * | 2015-04-10 | 2015-06-24 | 江苏通软科技有限公司 | Optical cable communication network fault processing method and system |
| CN106647594A (en) * | 2017-03-07 | 2017-05-10 | 国网新疆电力公司疆南供电公司 | Sensor device for blocking information of optical cable line |
| CN107529101A (en) * | 2016-06-21 | 2017-12-29 | 中兴通讯股份有限公司 | Mobile terminal, passive optical network information collection method and device |
| CN114584472A (en) * | 2020-11-30 | 2022-06-03 | 中移(苏州)软件技术有限公司 | Method, device, electronic equipment and medium for determining connectivity of optical splitter |
| CN115296731A (en) * | 2022-08-02 | 2022-11-04 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Fault positioning method and system for optical fiber loop of intelligent substation |
| CN115426036A (en) * | 2022-07-15 | 2022-12-02 | 卓信通信股份有限公司 | Intelligent optical fiber link disposal system and method |
| CN116192245A (en) * | 2022-12-27 | 2023-05-30 | 湖北华网控股集团有限公司 | PON network-based fault diagnosis method, system, equipment and storage medium |
| CN116436522A (en) * | 2023-06-14 | 2023-07-14 | 国网天津市电力公司蓟州供电分公司 | Fault positioning device and positioning method for power communication access network |
| CN116886186A (en) * | 2023-08-21 | 2023-10-13 | 山邮数字科技(山东)有限公司 | GIS-based optical fiber fault detection system, application method thereof and electronic equipment |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104734775A (en) * | 2015-04-10 | 2015-06-24 | 江苏通软科技有限公司 | Optical cable communication network fault processing method and system |
| CN107529101A (en) * | 2016-06-21 | 2017-12-29 | 中兴通讯股份有限公司 | Mobile terminal, passive optical network information collection method and device |
| CN106647594A (en) * | 2017-03-07 | 2017-05-10 | 国网新疆电力公司疆南供电公司 | Sensor device for blocking information of optical cable line |
| CN114584472B (en) * | 2020-11-30 | 2023-11-03 | 中移(苏州)软件技术有限公司 | Method, device, electronic equipment and medium for determining connectivity of optical splitter |
| CN114584472A (en) * | 2020-11-30 | 2022-06-03 | 中移(苏州)软件技术有限公司 | Method, device, electronic equipment and medium for determining connectivity of optical splitter |
| CN115426036A (en) * | 2022-07-15 | 2022-12-02 | 卓信通信股份有限公司 | Intelligent optical fiber link disposal system and method |
| CN115296731A (en) * | 2022-08-02 | 2022-11-04 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Fault positioning method and system for optical fiber loop of intelligent substation |
| CN115296731B (en) * | 2022-08-02 | 2024-07-02 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Fault positioning method and system for optical fiber loop of intelligent substation |
| CN116192245A (en) * | 2022-12-27 | 2023-05-30 | 湖北华网控股集团有限公司 | PON network-based fault diagnosis method, system, equipment and storage medium |
| CN116436522B (en) * | 2023-06-14 | 2023-08-15 | 国网天津市电力公司蓟州供电分公司 | Fault positioning device and positioning method for power communication access network |
| CN116436522A (en) * | 2023-06-14 | 2023-07-14 | 国网天津市电力公司蓟州供电分公司 | Fault positioning device and positioning method for power communication access network |
| CN116886186A (en) * | 2023-08-21 | 2023-10-13 | 山邮数字科技(山东)有限公司 | GIS-based optical fiber fault detection system, application method thereof and electronic equipment |
| CN116886186B (en) * | 2023-08-21 | 2024-05-28 | 尹寒 | GIS-based optical fiber fault detection system and application method thereof |
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Application publication date: 20141001 |