CN105227230A - A kind of electric power monitoring system based on Optical Distribution Network - Google Patents
A kind of electric power monitoring system based on Optical Distribution Network Download PDFInfo
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Abstract
The invention discloses a kind of electric power monitoring system based on Optical Distribution Network, this system comprises: intelligent optical fiber distribution frame iODF equipment, network management device, diagnostic optical fiber device and movable-type intelligent office terminal; Described iODF equipment, plays the physical connection of the optical fiber between transmission equipment, between OLT and ONU, and realizes the intelligent management to fiber resource; Described network management device, function comprises device management unit, Port Management unit, Data Collection administrative unit, equipment routing inspection unit, iField administrative unit, alarm module etc.; Described diagnostic optical fiber device, for fiber fault diagnosis, fault type judges can be realized, fault divide duty and alarm function; Described portable office terminal, the same network management device of function, when network management device directly can not manage remote station iODF equipment, replaces network management device temporarily to iODF equipment control.System can realize the visual management of fiber resource end to end, business is provided fast and fault is accurately located.
Description
Art
The present invention relates to power monitoring field, be specifically related to a kind of electric power monitoring system based on Optical Distribution Network.
Background technology
At present, ultra-high-tension power transmission line monitoring demand is strong, but implements and still have many problems to need to solve.
The advantage of transmission line is by power line and key optical cable (OPGW, ADSS) parallel erection, (core) optical cable in the OPGW connector box at several kilometers, interval can be taked to extract out, as the communication port of monitoring, form EPON (EPON).At present, the application of EPON technology in power transmission network makes transmission of electricity communication network reliable and stable, and more at a high speed, safeguard simple, cost reduces relatively, very saves fiber resource, and therefore the application of EPON technology greatly reduces initial cost and operating cost.
Passive optical network is made up of EMS (NM server), OLT (optical line terminal), ODN (Optical Distribution Network) and several PON terminals, and wherein PON terminal comprises ONU (optical network unit), ONT (Optical Network Terminal) etc.For ONU, passive optical network networking structure is formed as follows: OLT connects the multiple ONU equipment of convergence as central office side equipment by ODN network, and ONU equipment realizes the access of customer service, thus realizes the function such as data service and configuration management.In prior art, ODN's (Optical Distribution Network) belongs to passive network, and passive network only has simple, original control measures at present, namely in stock control system, store the information such as copper cash, optical fiber, pipeline, distributing frame, in service fulfillment, maintenance process, call these information.At present, along with the foundation on a large scale of traditional ODN, for the information management of flood tide optical fiber, consume a large amount of man power and materials.Present urgent need is a kind of can the system of intelligent management ODN network, i.e. intelligent ODN system (iODN).
Summary of the invention
The invention provides a kind of electric power monitoring system based on Optical Distribution Network, this system can realize the visual management of fiber resource end to end, business is provided fast and fault is accurately located.
To achieve these goals, the invention provides a kind of electric power monitoring system based on Optical Distribution Network, this system comprises:
Intelligent optical fiber distribution frame iODF equipment, network management device, diagnostic optical fiber device and movable-type intelligent office terminal;
Described iODF equipment, plays the physical connection of the optical fiber between transmission equipment, between OLT and ONU, and realizes the intelligent management to fiber resource;
Described network management device, comprises device management unit, Port Management unit, Data Collection administrative unit, equipment routing inspection unit, iField administrative unit, alarm module etc.;
Described diagnostic optical fiber device, for fiber fault diagnosis, fault type judges can be realized, fault divide duty and alarm function;
Described portable office terminal, the same network management device of function, when network management device directly can not manage remote station iODF equipment, replaces network management device temporarily to iODF equipment control.
Preferably, network management device provides the northbound interface (NBI) of standard, provides resource information accurately by this interface network management device to OSS (OSS), realizes the automation transmission of work order information.Northbound interface function is provided under the scene having resource management system, realizes and resource management system and WorkForm System real-time exchange information.
Preferably, network management device provides snmp protocol and directly manages iODF equipment, the Main Processor Unit MPU (MainProcessUnit) of iODF equipment collects iODF device configuration information, port resource, jumping fiber jumper connection relation, optical fiber link and optical fiber state, by Internet protocol (IP) through Network Synchronization information to network management device.
Preferably, in described network management device, GIS map is housed, described diagnostic optical fiber device utilizes the information resources of network management, and complete optical-fiber line fault diagnosis, GIS map positions, by means of GIS map locating resource, as node device, optical cable segment, staff well, the details of resource by visual, and can be checked in the position at these resource places.
Preferably, described network management device possess optical line by and the visual display unit that identifies fast of fault, by showing the title on required light path and user's sidelight road, help attendant's quick position failure cause and positional information.
Preferably, network management device possesses workform management administrative unit, for work order configuration, download and upload, realize provide work order automatically to manage, work order process management and work order abnormal state monitoring, guarantee correct construction.
Preferably, described network management device device, also possesses security managing unit, and described security managing unit is by user management, and operational administrative and log management and safety policy scope, guarantee the network security management of network management device.
Preferably, described network management device also possesses monitoring and the log management unit of system management, can record the critical event to occurring in the operation of system and system, thus the object of the monitoring reached system and maintenance.
Preferably, described movable-type intelligent office terminal comprises Intelligent optical fiber office terminal iFieldBox and iField software two assemblies, intelligent optical fiber distribution frame iODF and the bridge communicated between network management device NMSU2000-O, the smart mobile phone being provided with iField software is responsible for the annexation of collection and upper load port, to guarantee that port information data can be uploaded to network management device in real time, iFieldBox is an Intelligent optical fiber office terminal, be responsible for providing temporary source to inactive component, and communicated by USB or RJ485 telecommunication cable with equipment, mobile phone is by bluetooth and iFieldBox communication, the information collected is completed passback.
Preferably, in described supervisory control system running and maintenance process, diagnostic optical fiber device can pass through Optical Distribution Network performance evaluation, realize the fault diagnosis and location of optical fiber, timely discriminating fault types and confirmation position of failure point, the accurate positioning function that diagnostic optical fiber device provides fault warning, fault divides duty and fault, ensures Effec-tive Function and the maintenance of Optical Distribution Network.
Preferably; described intelligent optical fiber distribution frame iODF equipment is for realizing connection and the scheduling of optical cable and optical fibres; for the connection of optical fiber between optical transport network and optical transmission device and between OLT and ONU, for realizing the fixing of optical cable and the function such as protection, optical cable welding Cheng Duan, fused fiber splice point protection and device port Cheng Duan.
The present invention has the following advantages and beneficial effect: (1) visual management of fiber resource end to end, by intelligent optical fiber distribution frame iODF, we by the intelligent management of network management device realization to fiber resource, can comprise port resource, equipment, fiber topology etc. and check and operational administrative in management by network management device objective interface; (2) business is provided fast, based on 100% port information, FDDI FDM Fiber Duct pipeline information accurately, on optical routing topology information basis, network management device can pass through Intelligent routing algorithm, generate rapidly optimum end-toend lightpath by, and generation electronic work order distributes automatically, thus activate the service fast; (3) fault is accurately located, and automatically can recognize the generation of fiber failure, accurate fault point position, the type of Judging fault, thus guidance repairs fiber failure fast.
Accompanying drawing explanation
Fig. 1 shows the network architecture diagram of a kind of electric power monitoring system based on Optical Distribution Network of the present invention.
Fig. 2 shows the structure chart of the network management device of a kind of electric power monitoring system based on Optical Distribution Network of the present invention.
Fig. 3 shows the security mechanism of the network management device of a kind of electric power monitoring system based on Optical Distribution Network of the present invention.
Fig. 4 shows the networking structure of the diagnostic optical fiber device of a kind of electric power monitoring system based on Optical Distribution Network of the present invention
Fig. 5 shows the method for supervising of a kind of electric power monitoring system based on Optical Distribution Network of the present invention.
Embodiment
Fig. 1 shows the network architecture diagram of a kind of electric power monitoring system based on Optical Distribution Network of the present invention.This system comprises: mechanical floor: iODF equipment, plays the physical connection of the optical fiber between transmission equipment, between OLT and ONU, and realizes the intelligent management to fiber resource; Management level: network management device NMSU2000-O, function comprises equipment control, Port Management, Data Collection management, equipment routing inspection, iField management, alarm module etc.; Diagnostic optical fiber device N2510: fiber fault diagnosis, fault type judges, fault divides duty, abundant alarm; Portable office terminal iField: the same network management device of function, when a remote station network management device directly can not manage iODF equipment, replaces network management device temporarily to iODF equipment control.
Fig. 2 shows the structure chart of the network management device NMSU2000-O of a kind of electric power monitoring system based on Optical Distribution Network of the present invention.Network management device NMSU2000-O is the most important part of the electric force monitoring apparatus based on Optical Distribution Network, directly realize iODF device real-time monitoring by snmp protocol, or realize the non real-time monitoring to iODF equipment by the mode of movable-type intelligent office terminal iField collecting device information back.Realize resource information by internal interface between network management device and diagnostic optical fiber device N2510 to share, if there is GIS map system, Network Topology for Real-Time and fault location information can be shown in GIS map.
NMSU2000-O network management device can to fiber resource intelligent management, and webmaster contributes to increasing work efficiency in fiber optic network operation and maintenance (O & M) and reducing costs.Network management device NMSU2000-O supports browser/server (B/S pattern) and client/server (C/S's) framework.
Network management device NMSU2000-O provides the northbound interface (NBI) of standard.There is provided resource information accurately by this interface network management device NMSU2000-O to OSS (OSS), realize the automation transmission of work order information.
Northbound interface function is provided under the scene having resource management system, realizes and resource management system and WorkForm System real-time exchange information.
Network management device NMSU2000-O provides snmp protocol and directly manages iODF equipment, the Main Processor Unit MPU (MainProcessUnit) of iODF equipment collects iODF device configuration information, port resource, jumping fiber jumper connection relation, optical fiber link and optical fiber state, by Internet protocol (IP) through Network Synchronization information to network management device.
In described network management device, GIS map is housed, described diagnostic optical fiber device utilizes the information resources of network management, complete optical-fiber line fault diagnosis, GIS map positions, by means of GIS map locating resource, as node device, optical cable segment, staff well, the details of resource by visual, and can be checked in the position at these resource places.
Described network management device possess optical line by and the visual display unit that identifies fast of fault, by showing the title on required light path and user's sidelight road, help attendant's quick position failure cause and positional information.
Manual configuration optical routing: keeper's manual configuration optical routing, wizard-like guides, from the port of initial plant, the port of next equipment is selected one by one from its all possible connection light path (office is to optical fiber, jumper connection, the fine optical splitter jumper connection of whipping), until arrive the port of expection termination device, thus complete the configuration of whole light path jumper connection.
Inquiry standby port: client can check the standby port of certain port, and when this port failure, workmen job site changes fibre, uses standby port to open light path.
Inquiry optical routing: user can inquire about optical routing by modes such as input ONU, port title, optical routing classifications (comprising optical routing numbering, business information).
Network management device possesses workform management administrative unit, for work order configuration, download and upload, realize provide work order automatically to manage, work order process management and work order abnormal state monitoring, guarantee correct construction.
Described network management device, also possesses security managing unit, and described security managing unit is by user management, and operational administrative and log management and safety policy scope, guarantee the network security management of network management device.The implementation status of security managing unit is as shown in 3 figure
Network management device NMSU2000-O provides unified alarm monitoring, as the alarm panel in network range and Browse Alarm.It can help user to determine the real-time running state of network.It also provides alarm casebook, gathers the rule searching of general alarm, is conducive to inquiry in the future and supervision.
Network management device NMSU2000-O provides various different alarm notification mode.The alarm remote of optical distribution network at any time can be informed to Maintenance Engineer by it.Therefore, Maintenance Engineer can rapidly and effectively localizing faults.
Described network management device also possesses monitoring and the log management unit of system management, can record the critical event to occurring in the operation of system and system, thus the object of the monitoring reached system and maintenance.
Described movable-type intelligent office terminal iField comprises Intelligent optical fiber office terminal iFieldBox and iField software two assemblies, intelligent optical fiber distribution frame iODF and the bridge communicated between network management device NMSU2000-O, the smart mobile phone being provided with iField software is responsible for the annexation of collection and upper load port, to guarantee that port information data can be uploaded to network management device in real time, iFieldBox is an Intelligent optical fiber office terminal, be responsible for providing temporary source to inactive component, and communicated by USB or RJ485 telecommunication cable with equipment, mobile phone is by bluetooth and iFieldBox communication, the information collected is completed passback.At the construction field (site) wirelessly, iField downloads work order from network management device NMSU2000-O system, collect the port information of iODF equipment, on-the-spot testing also generates differentiation report, port connection relationship is sent to network management device NMSU2000-O system in real time.
In construction, iField compares traditional manual operations and has larger advantage, is mainly reflected in account management, intelligentized workform management, site operation instructs, the management of iODF equipment, automatic detection, resource are collected and passback, the many aspects such as optical routing inquiry.
Account management: regularly change password, guarantees Account Security.
Intelligent work order manages: automatically download work order information from network management device NMSU2000-O, and automatically notify user.According to site location, work order is classified.Port Connection Information is passed back to automatically network management device NMSU2000-O system, construction schedule is fed back in time, improve the operating efficiency of workmen, the accuracy of Logistics networks resource data.
Site operation instructs: by visualization interface, and in conjunction with the instruction of port bright light, guide field workmen operates, to avoid mistake.
IODF equipment control: the information of configuration device by work order or manual configuration, and supports iODF equipment auto-update.
Automatic detection: download work order from network management device NMSU2000-O, automatic inspection iODF equipment, collection port information, the resource information of compare facilities information and network management device NMSU2000-O system, generates differentiation report, finally returns to network management device.
Automatic resource collect and passback: when not patrolling and examining work order, can take the initiative collect and upstream device resource information to network management device, improve service flexibility.
Optical routing is inquired about: can pass through the various ways such as port, link code, customer information, inquires about end-toend lightpath by information, to help quick position user light path fault location.
See Fig. 4, in described supervisory control system running and maintenance process, diagnostic optical fiber device can pass through Optical Distribution Network performance evaluation, realize the fault diagnosis and location of optical fiber, timely discriminating fault types and confirmation position of failure point, the accurate positioning function that diagnostic optical fiber device provides fault warning, fault divides duty and fault, ensures Effec-tive Function and the maintenance of Optical Distribution Network.
The diagnostic optical fiber device of sing on web client-access, its server is generally deployed in Electric control and administrative center's machine room.
Diagnostic optical fiber device server passes through FTU (FTTxTestUnit) FTTx test cell and OSU (OpticalSwitchUnit) the light crosspoint of each site deployment of DCN access to netwoks, controls optical link performance corresponding to its scanning by instruction.Fiber connection is passed through between FTU and OSU.
Diagnostic optical fiber device can be integrated in network management device NMSU2000-O system in the mode of module, is connected realize and the data syn-chronization of equipment management system (EMS) and information sharing by network.
Diagnostic optical fiber device has following features: (1) is point duty fast: by the state information of fast detecting OLT and iODF equipment, main frame warning, performance and historical data etc., can fast failure judgement occur region, to realize fault point duty fast.(2) OTDR test: FTU built in light time-domain reflectomer OTDR, OTDR are the precision detecting instruments based on Rayleigh scattering and Fresnel reflection principle, is mainly used to optical system for testing decay and judges ODN location of fault.(3) initiatively O&M: the performance monitoring of diagnostic optical fiber device and warning function back-up system monitor optical towpath by optical attenuation situation, when after the early warning of generation performance, can automatically or the manual diagnostic optical fiber device that triggers diagnostic test is carried out to circuit.
FTU (FTTxTestUnit) test cell is the nucleus equipment of diagnostic optical fiber device, supports to use built-in OTDR to carry out measuring fiber circuit, the test assignment that executive system issues.
OSU (OpticalSwitchUnit) light crosspoint passes through break-make and the conversion of optical channel, realizes the functions such as the Route Selection on photosphere face, Optical Add Drop Multiplexer and optical cross connect.
Described intelligent optical fiber distribution frame iODF equipment is for realizing connection and the scheduling of optical cable and optical fibres; for the connection of optical fiber between optical transport network and optical transmission device and between OLT and ONU, for realizing the fixing of optical cable and the function such as protection, optical cable welding Cheng Duan, fused fiber splice point protection and device port Cheng Duan.
Illustrate for the intelligent optical fiber distribution frame iODF3101 (full configuration 720 core) between OLT and ONU, a configuration Main Processor Unit MPU in rack, be responsible for the collection to iODF port informations all in rack and management, by iField or directly by DCN network, port information is uploaded to network management device, realize the intelligent management of network management device to iODF equipment.Molten business frame single frame of joining provides the welding of the optical fiber of 72 cores and becomes end.IODF is upwards connected with OLTPON mouth by light jumping fiber, and downward and optical cable welding, optical fiber is connected to ONU equipment.The specification of iODF3101 rack is as follows:
The specifications parameter of table 1iODF3101 rack
Fig. 5 shows the method for supervising of a kind of electric power monitoring system based on Optical Distribution Network of the present invention, and the method comprises the steps:
S1: network management device is monitored in real time and managed iODF equipment;
S2: movable-type intelligent office terminal iField guarantees that port information data can be uploaded to network management device in real time;
S3: in operation and maintenance process, diagnostic optical fiber device, by Optical Distribution Network performance evaluation, realizes the fault diagnosis and location of optical fiber, timely discriminating fault types and confirmation position of failure point.
Wherein, in step sl, also comprise the steps:
S11: network management device provides the northbound interface (NBI) of standard, provides resource information accurately by this interface network management device to OSS (OSS), realizes the automation transmission of work order information;
S12: network management device provides snmp protocol directly to manage iODF equipment, the Main Processor Unit MPU (MainProcessUnit) of iODF equipment collects iODF device configuration information, port resource, jumping fiber jumper connection relation, optical fiber link and optical fiber state, by Internet protocol (IP) through Network Synchronization information to network management device;
S13: described network management device manages optical routing equipment, specifically comprises the steps:
S131: manual configuration optical routing: keeper's manual configuration optical routing, wizard-like guides, from the port of initial plant, the port of next equipment is selected one by one from its all possible connection light path (office is to optical fiber, jumper connection, the fine optical splitter jumper connection of whipping), until arrive the port of expection termination device, thus complete the configuration of whole light path jumper connection;
S132: inquiry standby port: client can check the standby port of certain port, and when this port failure, workmen job site changes fibre, uses standby port to open light path.
S133: inquiry optical routing: user can inquire about optical routing by modes such as input ONU, port title, optical routing classifications (comprising optical routing numbering, business information);
Preferably, in described step S1, also comprise step S14, network management device is by user management, and operational administrative and log management and safety policy scope, guarantee the network security management of network management device.
Preferably, in described step S1, also comprise step S15: the critical event occurred in the operation of described network management device register system and system, thus the object of the monitoring reached system and maintenance.
Preferably, in described step S3, diagnostic optical fiber device can pass through Optical Distribution Network performance evaluation, realize the fault diagnosis and location of optical fiber, timely discriminating fault types and confirmation position of failure point, the accurate positioning function that diagnostic optical fiber device provides fault warning, fault divides duty and fault, ensures Effec-tive Function and the maintenance of Optical Distribution Network.
Preferably, in described step S3, can specifically comprise the steps:
S31: fast point duty: by the state information of fast detecting OLT and iODF equipment, main frame is reported to the police, performance and historical data etc., can the region of failure judgement generation fast, to realize fault point duty fast;
S32:OTDR tests: FTU built in light time-domain reflectomer OTDR, OTDR are the precision detecting instruments based on Rayleigh scattering and Fresnel reflection principle, is mainly used to optical system for testing decay and judges ODN location of fault;
S33: initiatively O&M: the performance monitoring of diagnostic optical fiber device and warning function back-up system monitor optical towpath by optical attenuation situation, when after the early warning of generation performance, can automatically or the manual diagnostic optical fiber device that triggers diagnostic test is carried out to circuit.
As mentioned above, although the embodiment limited according to embodiment and accompanying drawing are illustrated, various amendment and distortion can be carried out from above-mentioned record concerning the technical staff that the art has a general knowledge.Such as, carry out according to the order mutually different from method illustrated in the technology illustrated, and/or carry out combining or combining according to the form mutually different from the method illustrated by the inscape such as system, structure, device, circuit illustrated, or carry out replacing or replacing also can reaching suitable effect according to other inscapes or equipollent.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, make some equivalent to substitute or obvious modification, and performance or purposes identical, all should be considered as belonging to protection scope of the present invention.
Claims (11)
1., based on an electric power monitoring system for Optical Distribution Network, this system comprises:
Intelligent optical fiber distribution frame iODF equipment, network management device, diagnostic optical fiber device and movable-type intelligent office terminal;
Described iODF equipment, plays the physical connection of the optical fiber between transmission equipment, between OLT and ONU, and realizes the intelligent management to fiber resource;
Described network management device, comprises device management unit, Port Management unit, Data Collection administrative unit, equipment routing inspection unit, iField administrative unit, alarm module;
Described diagnostic optical fiber device, for fiber fault diagnosis, fault type judges can be realized, fault divide duty and alarm function;
Described portable office terminal, the same network management device of function, when network management device directly can not manage remote station iODF equipment, replaces network management device temporarily to iODF equipment control.
2. the system as claimed in claim 1, it is characterized in that, network management device provides the northbound interface (NBI) of standard, provides resource information accurately by this interface network management device to OSS (OSS), realizes the automation transmission of work order information.
3. the system as claimed in claim 1, it is characterized in that, network management device provides snmp protocol and directly manages iODF equipment, the Main Processor Unit MPU (MainProcessUnit) of iODF equipment collects iODF device configuration information, port resource, jumping fiber jumper connection relation, optical fiber link and optical fiber state, by Internet protocol (IP) through Network Synchronization information to network management device.
4. the system as claimed in claim 1, it is characterized in that, in described network management device, GIS map is housed, described diagnostic optical fiber device utilizes the information resources of network management, complete optical-fiber line fault diagnosis, GIS map positions, by means of GIS map locating resource, as node device, optical cable segment, staff well, the details of resource by visual, and can be checked in the position at these resource places.
5. the system as claimed in claim 1, it is characterized in that, described network management device possess optical line by and the visual display unit that identifies fast of fault, by showing the title on required light path and user's sidelight road, help attendant's quick position failure cause and positional information.
6. the system as claimed in claim 1, is characterized in that, network management device possesses workform management administrative unit, for work order configuration, download and upload, realize provide work order automatically to manage, work order process management and work order abnormal state monitoring, guarantee correct construction.
7. the system as claimed in claim 1, is characterized in that, described network management device, also possesses security managing unit, and described security managing unit is by user management, and operational administrative and log management and safety policy scope, guarantee the network security management of network management device.
8. the system as claimed in claim 1, is characterized in that, described network management device also possesses monitoring and the log management unit of system management, can record the critical event to occurring in the operation of system and system, thus the object of the monitoring reached system and maintenance.
9. the system as claimed in claim 1, it is characterized in that, described movable-type intelligent office terminal comprises Intelligent optical fiber office terminal iFieldBox and iField software two assemblies, intelligent optical fiber distribution frame iODF and the bridge communicated between network management device NMSU2000-O, the smart mobile phone being provided with iField software is responsible for the annexation of collection and upper load port, to guarantee that port information data can be uploaded to network management device in real time, iFieldBox is an Intelligent optical fiber office terminal, be responsible for providing temporary source to inactive component, and communicated by USB or RJ485 telecommunication cable with equipment, mobile phone is by bluetooth and iFieldBox communication, the information collected is completed passback.
10. the system as claimed in claim 1, it is characterized in that, in described supervisory control system running and maintenance process, diagnostic optical fiber device can pass through Optical Distribution Network performance evaluation, realize the fault diagnosis and location of optical fiber, timely discriminating fault types and confirmation position of failure point, the accurate positioning function that diagnostic optical fiber device provides fault warning, fault divides duty and fault, ensures Effec-tive Function and the maintenance of Optical Distribution Network.
11. the system as claimed in claim 1; it is characterized in that; described intelligent optical fiber distribution frame iODF equipment is for realizing connection and the scheduling of optical cable and optical fibres; for the connection of optical fiber between optical transport network and optical transmission device and between OLT and ONU, for realizing the fixing of optical cable and the function such as protection, optical cable welding Cheng Duan, fused fiber splice point protection and device port Cheng Duan.
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| CN107947858A (en) * | 2017-12-11 | 2018-04-20 | 国网新疆电力有限公司乌鲁木齐供电公司 | Service operation condition monitoring system |
| CN111082520A (en) * | 2019-11-28 | 2020-04-28 | 广东电网有限责任公司汕头供电局 | Method, equipment and storage medium for operation control of optical distribution network |
| CN112969109A (en) * | 2021-03-03 | 2021-06-15 | 北京电信规划设计院有限公司 | Digitizer system for optical distribution facilities and application thereof |
| CN113242144A (en) * | 2021-04-28 | 2021-08-10 | 烽火通信科技股份有限公司 | Method for managing passive device and network management system |
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| CN113242144A (en) * | 2021-04-28 | 2021-08-10 | 烽火通信科技股份有限公司 | Method for managing passive device and network management system |
| CN113242144B (en) * | 2021-04-28 | 2022-09-09 | 烽火通信科技股份有限公司 | Method for managing passive device and network management system |
| CN115166919A (en) * | 2022-07-27 | 2022-10-11 | 江苏亨通光电股份有限公司 | MPO high-density wiring system for optical interconnection of data center and application |
| CN116760464A (en) * | 2023-05-25 | 2023-09-15 | 江苏泽宇智能电力股份有限公司 | Optical fiber resource management system based on deep learning |
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