CN104734775A - Optical cable communication network fault processing method and system - Google Patents

Optical cable communication network fault processing method and system Download PDF

Info

Publication number
CN104734775A
CN104734775A CN201510167814.9A CN201510167814A CN104734775A CN 104734775 A CN104734775 A CN 104734775A CN 201510167814 A CN201510167814 A CN 201510167814A CN 104734775 A CN104734775 A CN 104734775A
Authority
CN
China
Prior art keywords
fault
network
fiber optic
model
optical cable
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201510167814.9A
Other languages
Chinese (zh)
Inventor
夏志杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Tong Ruan Science And Technology Ltd
Original Assignee
Jiangsu Tong Ruan Science And Technology Ltd
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 Jiangsu Tong Ruan Science And Technology Ltd filed Critical Jiangsu Tong Ruan Science And Technology Ltd
Priority to CN201510167814.9A priority Critical patent/CN104734775A/en
Publication of CN104734775A publication Critical patent/CN104734775A/en
Pending legal-status Critical Current

Links

Landscapes

  • Monitoring And Testing Of Exchanges (AREA)
  • Optical Communication System (AREA)

Abstract

The invention discloses an optical cable communication network fault processing method which comprises the steps that a network resource model and a network resource library of a optical cable communication network are established; filtering analysis is carried out according to a correlation method based on a model, an optical cable fault source and a fault type are recognized; if the fault type is an equipment fault, fault equipment is determined, and according to the network resource model, a base station where the fault equipment is placed and the geographic position of the fault equipment are determined; if the fault type is a transmission line fault, an optical time domain reflectometer is used, optical cable breakpoint distance is obtained, and according to the network resource model, the breakpoint geographic position is determined; according to the fault type and the fault geographic position, a fault processing scheme is generated, and the processing scheme is sent to related personnel through an equipment terminal; and an electronic map for identifying the fault position is generated, and navigation service is provided for maintaining personnel. The locating accuracy of optical cable line fault determining can be improved, and accordingly the repairing time of an optical cable information transmission line network fault can be shortened greatly.

Description

Fiber optic cable communications network fault handling method and system
Technical field
the present invention relates to optical cable transmission field, relate more specifically to a kind of fiber optic cable communications network fault handling method and system.
Background technology
the key of network failure management is the accurate analysis to network failure, solve and how to identify the source of trouble, determine failure cause, find the geographical position of the source of trouble, there is provided network O&M personnel to carry out information required for network failure reparation and instrument, make them can repair network failure fast and efficiently.
the step that domestic existing optical cable transmission circuit is safeguarded comprises: after fault occurs, network management system sends alarm signal.After operation maintenance personnel receives alarm signal, need to judge according to artificial experience, after determining the contingent network range of fault, carry out manually seeking of network line and look into, find out the fault breakpoint of lightguide cable link, repair lightguide cable link fault.What the major defect of this method was the source of trouble seeks the experience looked into and depend on maintenance personnel, the source of trouble to seek the process of looking into for a long time consuming time, network failure is long for repair time, and O&M cost is high.
publication number is that the Chinese patent of CN 103905114 discloses a kind of lightguide cable link fault point positioning method, device and system, comprising: fault locator receives from the warning information of transmission network management for optical transport network; Several fault network elements obtaining existing in described optical transport network are determined according to the warning information received; Described fault locator is to line resource management system requesting query and obtain the attribute information of each fault network element, wherein, preserves the correlation attribute information of described optical transport network in described line resource management system; The correlation attribute information of each fault network element according to obtaining is determined to obtain several fault optical link paragraphs, and wherein, fault optical link paragraph is the lightguide cable link between two adjacent fault network elements; Described fault locator is to described line resource management system requesting query and obtain the attribute information of fault optical link paragraph described in each; The fault optical link paragraph of fault point is determined to exist according to the attribute information of each fault optical link paragraph obtained and the warning information that receives.But there is following defect:
1, lightguide cable link is often very complicated, and all warning information according to receiving process, and the data of process are often very many, affect treatment effeciency.
2, only determine the fault optical link paragraph that there is fault point, often can't locate its geographical address exactly, also need very complicated artificial search.
Summary of the invention
for above-mentioned technical problem, the present invention seeks to: a kind of fiber optic cable communications network fault handling method and system are provided, the method can set up fiber optic cable communications network model and network resources system efficiently, the fault-signal that can send network element device carries out filter analysis, identifies Cable's Fault source and fault type; The accurate geographical position of faulty equipment or optical cable with broken point fault can be determined; The processing scheme of Cable's Fault can be provided, for attendant provides navigation Service, thus greatly can reduce the repair time of fiber optic cable communications network of network fault.
technical scheme of the present invention is:
a kind of fiber optic cable communications network fault handling method, comprises the following steps:
(1) network resources model and the network resources system of fiber optic cable communications network is set up;
(2) carry out filter analysis according to the correlating method based on model, identify Cable's Fault source and fault type;
(3) if fault type is equipment fault, determine faulty equipment, according to network resources model, determine base station, faulty equipment place and geographical position thereof;
(4) if fault type is transmission line failure, use optical time domain reflectometer, obtain optical cable with broken point distance, according to network resources model, determine breakpoint geographical position;
(5) according to fault type and fault geographical position, generate troubleshooting scheme, and processing scheme is sent to related personnel by device end; The electronic chart of generating identification abort situation, for maintenance personal provides navigation Service.
preferably, described step (1) comprises, and according to network design, construction information or collection network information in maintenance process, sets up the network resources system of fiber optic cable communications network, generates the network resources model of fiber optic cable communications network; Described network resources system dynamically updates according to the network change in maintenance process.
preferably, in described step (5), troubleshooting scheme generates by calling expert system; After maintenance personal processes fault, upload fault restoration situation by device end, processing scheme is evaluated and supplements.
the invention also discloses a kind of fiber optic cable communications network fault processing system, comprising:
communication network resource administration module: on geographical information platform, according to network design, construction information or collection network information in maintenance process, sets up the network resources system of fiber optic cable communications network, generates the network model of fiber optic cable communications network; Described network resources system by dynamically updating according to network change in maintenance process;
fault-signal filter analysis module: according to network model, according to the correlating method based on model, carries out filter analysis to mass alarm signal, identifies the source of trouble and fault type;
network failure locating module: identify faulty equipment, obtains optical cable with broken point distance; According to network model, the accurate geographical position of the localization of faults;
dealing with network breakdown module: according to fault type and fault geographical position, call expert system, generates troubleshooting scheme; By device end, troubleshooting scheme is sent related personnel; According to geographical position, fault point, generate the electronic chart indicating position of failure point, for maintenance personal provides navigation Service; After maintenance personal processes fault, upload fault restoration situation by device end, processing scheme is evaluated and supplements.
advantage of the present invention is:
1. the method can identify the fiber optic cable communications network source of trouble, and the accurate geographical position of optical cable information transmission line failure can be provided, fault geographical position is transmitted through the network to the receiving terminal of related personnel, and at the enterprising line identifier of map, can fault point fast, the troubleshooting scheme of fiber optic cable communications network fault is provided, for attendant provides navigation Service, thus greatly can reduces the repair time of optical cable information transmission line network failure.
2. this method is by carrying out filter analysis to all warning information received, and identifies the source of trouble and transmission fault line segment, greatly can improve treatment effeciency.
Accompanying drawing explanation
below in conjunction with drawings and Examples, the invention will be further described:
fig. 1 is the flow chart of fiber optic cable communications network fault handling method of the present invention;
fig. 2 is that the network element of fiber optic cable communications network fault handling method of the present invention connects logical schematic.
Embodiment
for making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with embodiment also with reference to accompanying drawing, the present invention is described in more detail.Should be appreciated that, these describe just exemplary, and do not really want to limit the scope of the invention.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring concept of the present invention.
embodiment:
with reference to figure 1, the step of fiber optic cable communications network fault handling method of the present invention is as follows:
s101, sets up the network resources model of fiber optic cable communications network.
according to network design, construction information or in maintenance process collection network information set up the network resources system of fiber optic cable communications network, generate the network resources model of fiber optic cable communications networks.According to network change in maintenance process, network resources system is dynamically updated.
s102, according to the correlating method based on model, carries out filter analysis to mass alarm signal according to the correlating method based on model, identifies the source of trouble and fault type.
s1031, for equipment fault, determines faulty equipment, according to base station, network model determination faulty equipment place and geographical position thereof.
s1032, for transmission line failure, obtains optical cable with broken point distance, determines breakpoint geographical position.
s104, according to fault type and fault geographical position, calls expert system, generates troubleshooting scheme, and processing scheme is sent to related personnel by mobile phone application.The electronic chart of generating identification abort situation, for attendant is provided to the navigation Service of fault point.
after maintenance personal processes fault, applied by mobile phone, processing scheme evaluated and supplements, and submitting to expert system.
fiber optic cable communications network fault processing system of the present invention comprises:
communication network resource administration module: on geographical information platform, according to network design, construction information or collection network information in maintenance process, sets up the network resources system of fiber optic cable communications network, generates the network model of fiber optic cable communications network.According to network change in maintenance process, upload network change information, network resources system is dynamically updated.
fault-signal filter analysis module: according to network model, according to the correlating method based on model, carries out filter analysis to mass alarm signal.Identify the source of trouble and fault type.
network failure locating module: according to network model and alarm signal filter result, determine fault type, identifies faulty equipment, obtains optical cable with broken point distance.According to network model, the accurate geographical position of the localization of faults.
dealing with network breakdown module: according to fault type and fault geographical position, call expert system, generates troubleshooting scheme; By mobile Internet and mobile phone application, troubleshooting scheme is sent related personnel; According to geographical position, fault point, generate the electronic chart indicating position of failure point, for maintenance personal provides navigation Service; After maintenance personal processes fault, applied by mobile phone, upload fault restoration situation, processing scheme is evaluated and supplements.
optical cable transmission circuit fault location system of the present invention is applicable to optical cable information transmission system.
with reference to figure 2, use the example of the inventive method.Fig. 2 lists a kind of cable system example.Network element 1 is connected by optical cable line segment 1 with network element 2.Network element 2 and network element 3, network element 4, network element 5, network element 6 is by optical cable line segment 2, and optical cable line segment 3, optical cable line segment 4, optical cable line segment 5 is connected.
suppose sometime, system produces the ALM as following table:
according to method step in Fig. 1:
according to the duct size information of network element each in network and connection thereof, set up network model.
numbering 3 is filtered, numbering 4, numbering 5, the alarm signal of numbering 6 according to network model.
determine that fault type is transmission line failure.
use optical time domain reflectometer, the breakpoint distance obtaining optical cable 1 is 8328 meters, the link information of the optical cable 1 had according to network model and the people's well passed through thereof, pipeline, cable information more than the many places of lightguide cable link, according to the annexation of network element 1 to network element 2, accumulative cable line segment distance piecemeal, when cumulative distance is breakpoint physical distance 8328 meters, this actual geographic position on map, thus the accurate geographical position obtaining optical cable with broken point.
when behind the geographical position obtaining optical cable with broken point, according to fiber cable type, generate troubleshooting scheme.
applied by mobile phone, troubleshooting scheme is comprised the equipment that needs carry, melting welding step etc. sends to related personnel.
generate the electronic chart indicating optical cable with broken point position, for field maintenance person provides navigation Service.Attendant arrives in fault breakpoint location, to the Hang Rong weldering of disconnected cable Jin, repairs fault.
attendant uploads troubleshooting situation, evaluates and supplement malfunction approach.
according to this example, can application the present invention, fiber optic cable communications fault can be processed rapidly, thus greatly can shorten Cable's Fault repair time.
should be understood that, above-mentioned embodiment of the present invention only for exemplary illustration or explain principle of the present invention, and is not construed as limiting the invention.Therefore, any amendment made when without departing from the spirit and scope of the present invention, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.In addition, claims of the present invention be intended to contain fall into claims scope and border or this scope and border equivalents in whole change and modification.

Claims (4)

1. a fiber optic cable communications network fault handling method, is characterized in that, comprises the following steps:
(1) network resources model and the network resources system of fiber optic cable communications network is set up;
(2) carry out filter analysis according to the correlating method based on model, identify Cable's Fault source and fault type;
(3) if fault type is equipment fault, determine faulty equipment, according to network resources model, determine base station, faulty equipment place and geographical position thereof;
(4) if fault type is transmission line failure, use optical time domain reflectometer, obtain optical cable with broken point distance, according to network resources model, determine breakpoint geographical position;
(5) according to fault type and fault geographical position, generate troubleshooting scheme, and processing scheme is sent to related personnel by device end; The electronic chart of generating identification abort situation, for maintenance personal provides navigation Service.
2. fiber optic cable communications network fault handling method according to claim 1, it is characterized in that, described step (1) comprises, according to network design, construction information or collection network information in maintenance process, set up the network resources system of fiber optic cable communications network, generate the network resources model of fiber optic cable communications network; Described network resources system dynamically updates according to the network change in maintenance process.
3. fiber optic cable communications network fault handling method according to claim 1, is characterized in that, in described step (5), troubleshooting scheme generates by calling expert system; After maintenance personal processes fault, upload fault restoration situation by device end, processing scheme is evaluated and supplements.
4. a fiber optic cable communications network fault processing system, is characterized in that, comprising:
Communication network resource administration module: on geographical information platform, according to network design, construction information or collection network information in maintenance process, sets up the network resources system of fiber optic cable communications network, generates the network model of fiber optic cable communications network; Described network resources system by dynamically updating according to network change in maintenance process;
Fault-signal filter analysis module: according to network model, according to the correlating method based on model, carries out filter analysis to mass alarm signal, identifies the source of trouble and fault type;
Network failure locating module: identify faulty equipment, obtains optical cable with broken point distance; According to network model, the accurate geographical position of the localization of faults;
Dealing with network breakdown module: according to fault type and fault geographical position, call expert system, generates troubleshooting scheme; By device end, troubleshooting scheme is sent related personnel; According to geographical position, fault point, generate the electronic chart indicating position of failure point, for maintenance personal provides navigation Service; After maintenance personal processes fault, upload fault restoration situation by device end, processing scheme is evaluated and supplements.
CN201510167814.9A 2015-04-10 2015-04-10 Optical cable communication network fault processing method and system Pending CN104734775A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510167814.9A CN104734775A (en) 2015-04-10 2015-04-10 Optical cable communication network fault processing method and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510167814.9A CN104734775A (en) 2015-04-10 2015-04-10 Optical cable communication network fault processing method and system

Publications (1)

Publication Number Publication Date
CN104734775A true CN104734775A (en) 2015-06-24

Family

ID=53458257

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510167814.9A Pending CN104734775A (en) 2015-04-10 2015-04-10 Optical cable communication network fault processing method and system

Country Status (1)

Country Link
CN (1) CN104734775A (en)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106341836A (en) * 2016-08-26 2017-01-18 国脉科技股份有限公司 Mobile network assistant maintenance method
CN106357326A (en) * 2016-08-31 2017-01-25 国脉科技股份有限公司 Positioning and navigation system for fault point of transmission optical cable line
CN107947996A (en) * 2017-12-14 2018-04-20 广州讯联通信科技股份有限公司 A kind of mobile network's Security routing wireless network operational system
CN108123751A (en) * 2016-11-28 2018-06-05 ***通信集团辽宁有限公司 Method, equipment and the system that Cable's Fault quickly positions
CN108540218A (en) * 2018-04-24 2018-09-14 国家电网公司 Electric power optical cable safety failure processing method and processing device
CN108809409A (en) * 2018-04-13 2018-11-13 国网山西省电力公司信息通信分公司 A kind of optical cable attenuation type diagnostic system and method based on attenuation graphic feature point
CN108923847A (en) * 2018-08-09 2018-11-30 平湖波汇通信科技有限公司 A kind of Cable's Fault monitoring and accurate positioning method based on GIS
CN110505581A (en) * 2019-08-29 2019-11-26 国网河北省电力有限公司 Electric power operational system based on communication shaft tower location navigation
CN111200506A (en) * 2018-11-19 2020-05-26 中兴通讯股份有限公司 Fault sensing method and device and controller
CN113810771A (en) * 2021-09-18 2021-12-17 海信视像科技股份有限公司 Display device and display method of network connection diagnosis result
CN114374597A (en) * 2021-12-27 2022-04-19 浪潮通信信息***有限公司 Fault processing method, device, equipment and product of network event
CN114938325A (en) * 2022-06-13 2022-08-23 上海信辉科技有限公司 Automatic analysis device for alarm message of core network switch
WO2023010823A1 (en) * 2021-08-03 2023-02-09 华为技术有限公司 Network fault root cause determining method and apparatus, device, and storage medium
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
CN117388632A (en) * 2023-10-24 2024-01-12 广东电网有限责任公司 Power grid fault alarm method, device, system and medium

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101225532A (en) * 2007-10-31 2008-07-23 北京华深中色科技发展有限公司 Power supply safety on-line monitoring system for electrolytic aluminum production
CN101605278A (en) * 2009-03-04 2009-12-16 北京邮电大学 Adaptive signaling implementation method in the distributed control collaborative optical networks
CN101753207A (en) * 2008-12-16 2010-06-23 华为技术有限公司 Fiber link fault recognition method, device and system
CN102098100A (en) * 2010-12-29 2011-06-15 武汉光迅科技股份有限公司 Method for automatically monitoring and maintaining optical cable
CN103064895A (en) * 2012-12-17 2013-04-24 福建省电力有限公司 Communication source management system computer generating method based on Geographic Information System (GIS)
CN103124105A (en) * 2012-03-27 2013-05-29 湖南大学 Wireless intelligent sensor network system for monitoring states of intelligent substation devices
CN103684582A (en) * 2013-12-27 2014-03-26 云南电网公司玉溪供电局 Distribution network communication optical cable fault location method and device
WO2014113966A1 (en) * 2013-01-25 2014-07-31 华为技术有限公司 Alarm inhibition method and optical network device
CN104079346A (en) * 2014-07-23 2014-10-01 国家电网公司 Remote judging and positioning method and device for EPON (Ethernet Passive Optical Network) multi-level non-average optical fiber link circuit failures
CN104202086A (en) * 2014-09-26 2014-12-10 国家电网公司 Optical cable fault location method
CN104333417A (en) * 2014-09-23 2015-02-04 国网安徽省电力公司阜阳供电公司 Electric power communication optical cable fault positioning technology

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101225532A (en) * 2007-10-31 2008-07-23 北京华深中色科技发展有限公司 Power supply safety on-line monitoring system for electrolytic aluminum production
CN101753207A (en) * 2008-12-16 2010-06-23 华为技术有限公司 Fiber link fault recognition method, device and system
CN101605278A (en) * 2009-03-04 2009-12-16 北京邮电大学 Adaptive signaling implementation method in the distributed control collaborative optical networks
CN102098100A (en) * 2010-12-29 2011-06-15 武汉光迅科技股份有限公司 Method for automatically monitoring and maintaining optical cable
CN103124105A (en) * 2012-03-27 2013-05-29 湖南大学 Wireless intelligent sensor network system for monitoring states of intelligent substation devices
CN103064895A (en) * 2012-12-17 2013-04-24 福建省电力有限公司 Communication source management system computer generating method based on Geographic Information System (GIS)
WO2014113966A1 (en) * 2013-01-25 2014-07-31 华为技术有限公司 Alarm inhibition method and optical network device
CN103684582A (en) * 2013-12-27 2014-03-26 云南电网公司玉溪供电局 Distribution network communication optical cable fault location method and device
CN104079346A (en) * 2014-07-23 2014-10-01 国家电网公司 Remote judging and positioning method and device for EPON (Ethernet Passive Optical Network) multi-level non-average optical fiber link circuit failures
CN104333417A (en) * 2014-09-23 2015-02-04 国网安徽省电力公司阜阳供电公司 Electric power communication optical cable fault positioning technology
CN104202086A (en) * 2014-09-26 2014-12-10 国家电网公司 Optical cable fault location method

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106341836B (en) * 2016-08-26 2019-05-21 国脉科技股份有限公司 A kind of mobile network association dimension method
CN106341836A (en) * 2016-08-26 2017-01-18 国脉科技股份有限公司 Mobile network assistant maintenance method
CN106357326A (en) * 2016-08-31 2017-01-25 国脉科技股份有限公司 Positioning and navigation system for fault point of transmission optical cable line
CN108123751A (en) * 2016-11-28 2018-06-05 ***通信集团辽宁有限公司 Method, equipment and the system that Cable's Fault quickly positions
CN107947996A (en) * 2017-12-14 2018-04-20 广州讯联通信科技股份有限公司 A kind of mobile network's Security routing wireless network operational system
CN108809409A (en) * 2018-04-13 2018-11-13 国网山西省电力公司信息通信分公司 A kind of optical cable attenuation type diagnostic system and method based on attenuation graphic feature point
CN108809409B (en) * 2018-04-13 2021-04-20 国网山西省电力公司信息通信分公司 Optical cable attenuation type diagnosis system and method based on attenuation graph characteristic points
CN108540218A (en) * 2018-04-24 2018-09-14 国家电网公司 Electric power optical cable safety failure processing method and processing device
CN108923847A (en) * 2018-08-09 2018-11-30 平湖波汇通信科技有限公司 A kind of Cable's Fault monitoring and accurate positioning method based on GIS
CN111200506B (en) * 2018-11-19 2023-08-29 中兴通讯股份有限公司 Fault sensing method and device and controller
CN111200506A (en) * 2018-11-19 2020-05-26 中兴通讯股份有限公司 Fault sensing method and device and controller
CN110505581A (en) * 2019-08-29 2019-11-26 国网河北省电力有限公司 Electric power operational system based on communication shaft tower location navigation
WO2023010823A1 (en) * 2021-08-03 2023-02-09 华为技术有限公司 Network fault root cause determining method and apparatus, device, and storage medium
CN113810771A (en) * 2021-09-18 2021-12-17 海信视像科技股份有限公司 Display device and display method of network connection diagnosis result
CN114374597A (en) * 2021-12-27 2022-04-19 浪潮通信信息***有限公司 Fault processing method, device, equipment and product of network event
CN114938325A (en) * 2022-06-13 2022-08-23 上海信辉科技有限公司 Automatic analysis device for alarm message of core network switch
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
CN117388632A (en) * 2023-10-24 2024-01-12 广东电网有限责任公司 Power grid fault alarm method, device, system and medium

Similar Documents

Publication Publication Date Title
CN104734775A (en) Optical cable communication network fault processing method and system
CN104202086B (en) A kind of Cable's Fault localization method
CN104732603A (en) Position coordinate-based method of checking attendance of outworkers
CN102324968A (en) Alarm management method and device of passive optical network terminal equipment
CN104902004A (en) Emergency rescue system and emergency rescue method for missing persons
CN106681881A (en) Data center routing inspection method and data center routing inspection device
CN103516427A (en) Online monitoring method and system for communication optical fiber cable based on GIS
CN102223252A (en) Internet of Things (IoT) terminal failure processing method, IoT platform and IoT system
CN108769184B (en) Early warning method for automatically judging personal safety of patrolman
CN105323713A (en) Technical investigation method and system based on passive positioning
CN104462402A (en) Pipe network data compilation system
WO2014205721A1 (en) Fault processing method, device and system
CN105071970A (en) Failure analysis method, failure analysis system and network management equipment
CN103812688A (en) Alarm determining method and device
CN108986556A (en) A kind of aircraft remote technology clearance method, apparatus and smart machine
CN103379623A (en) WIFI positioning method in travel
CN114205242A (en) Method and device for determining false loop
CN102520973B (en) The synchronous method of GPS terminal configuration data and system thereof
CN104009793A (en) Optical cable fault positioning method
CN104794850A (en) Manhole cover detection control method
US20190130133A1 (en) Ascertaining network devices used with anonymous identifiers
CN109391496A (en) Alarm log method for uploading and device
CN105468752B (en) A kind of data product building system
CN109981166B (en) Method and device for positioning optical fiber in error connection
CN105760402A (en) End-to-end service performance query method and end-to-end service performance query device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20150624

RJ01 Rejection of invention patent application after publication