CN1146152C - Automatic monitor system for optical fibre network - Google Patents
Automatic monitor system for optical fibre network Download PDFInfo
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- CN1146152C CN1146152C CNB991220358A CN99122035A CN1146152C CN 1146152 C CN1146152 C CN 1146152C CN B991220358 A CNB991220358 A CN B991220358A CN 99122035 A CN99122035 A CN 99122035A CN 1146152 C CN1146152 C CN 1146152C
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 40
- 238000012360 testing method Methods 0.000 claims abstract description 79
- 238000012544 monitoring process Methods 0.000 claims abstract description 67
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- 238000000034 method Methods 0.000 description 3
- 238000013523 data management Methods 0.000 description 2
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Abstract
The present invention provides an automatic monitor system for an optical fibre network, which comprises a core test module 1, a central monitoring management module 2 and a far end access module 3, wherein the core test module 1, the central monitoring management module 2 and the far end access module 3 are mutually connected by the existing telecommunication communication network. The automatic monitor system for an optical fibre network, which uses the present invention, can have the functions of an optical fibre test access interface, an alarm access interface, communication and maintenance; the monitoring range of a system can be enlarged in less expense, cost is greatly reduced, and thus, the cost performanceof the automatic monitor system for an optical fibre network of the present invention is superior to that of the current net system.
Description
Technical field
The present invention relates to the monitoring and the area of maintenance of fiber optic network.
Background technology
The existing fiber network monitor is confined to OTDR Meter Test, fibre optic transmission equipment monitoring or only more single to characteristic private network or the concentrated monitoring of arterial grid after the fault mostly, lacks to take all factors into consideration at different networkings such as arterial grid, private network, local network and even complicated the unified of Access Network and monitors; Lack supervision, test and the analysis of comprehensively considering equipment on the fiber optic network, lightguide cable link, environment all sidedly simultaneously; Lack the data processing and the statistical analysis of system simultaneously, test data is concentrated analysis, generated measured target quality analysis and predictions such as stability for a comparatively long period of time, can not provide scientific basis for maintenance management.In a word, the existing fiber network monitoring system lacks the multianalysis test to equipment, lightguide cable link, environment on the fiber optic network, be not suitable for multiple network, and do not get in touch with the service database of telecommunication service, can not do the long term monitoring statistical analysis, the foundation of management evaluation can't be provided for the communication network network operator.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art part, and provide a kind of utilization to have telecommunications network, data communication network system now, at lower cost arterial grid, private network, local network are carried out the system of comprehensive monitoring, so that the comprehensive examination and evaluation foundation of lightguide cable link monitoring system and network reliability is provided for telecommunication network management person, user, guardian.
The object of the present invention is achieved like this, a kind of automatic monitor system for optical fibre network, comprise core monitoring modular and center monitors administration module, it is characterized in that, also comprise the far-end access module, utilize existing telecom communication net to interconnect between described core monitoring modular, center monitors administration module and the far-end access module.
Implement automatic monitor system for optical fibre network of the present invention, owing to adopted the far-end access module, can light harvesting fine test access interface, alarm access interface, communicate by letter, be maintained in one, enlarged the monitoring range of system, greatly reduce cost with less cost.Automatic monitor system for optical fibre network of the present invention in addition utilizes the existing communication net, as the public resource platform, make the systemic price ratio of automatic monitor system for optical fibre network of the present invention be far superior at present online homogeneous system with postal and telecommunications service database and transmission network, data network, public network etc.
Below in conjunction with drawings and Examples automatic monitor system for optical fibre network of the present invention is described in further detail.
Description of drawings
Fig. 1 is the basic structure schematic diagram of an embodiment of automatic monitor system for optical fibre network of the present invention;
Fig. 2 A is the functional schematic of the core monitoring modular of automatic monitor system for optical fibre network shown in Figure 1;
Fig. 2 B is the block diagram of the core monitoring modular of automatic monitor system for optical fibre network shown in Figure 1;
Fig. 2 C is the monitoring station frame figure among the embodiment of core monitoring modular of automatic monitor system for optical fibre network shown in Figure 1;
Fig. 2 D is the measuring head structure chart of the monitoring station shown in Fig. 2 C;
Fig. 3 A is the block schematic diagram that the test optical fiber of embodiment one of the far-end access module of automatic monitor system for optical fibre network shown in Figure 1 inserts;
Fig. 3 B is the block schematic diagram that the warning information of embodiment two of the far-end access module of automatic monitor system for optical fibre network shown in Figure 1 inserts;
Fig. 4 is the composition block diagram of the center monitors administration module of automatic monitor system for optical fibre network shown in Figure 1;
Fig. 5 is a multicenter monitoring mode schematic diagram among the embodiment of automatic monitor system for optical fibre network of the present invention;
Fig. 6 is the automatic monitoring process chart of center monitors administration module shown in Figure 4.
Embodiment
As shown in Figure 1, in one embodiment of the invention, automatic monitor system for optical fibre network comprises by the existing interconnective core monitoring modular 1 of telecom communication net, center monitors administration module 2 and far-end access module 3.
Shown in Fig. 2 A, core monitoring modular 1 comprises can handle the Network Interface Module 101 that multiple network connects; Accept the test assignments at different levels of automatic network, test according to priority, to the test and management scheduler module that test result is carried out intellectual analysis and sent analysis result back to the order source, the command process 102 in the corresponding diagram, testing process control 103, task control 104 regularly, tracing analysis and fault judgement 105; Can collect multiple alarm, possess the warning processing module of alarm filter, the alarm processing 106 in the corresponding diagram, alarm-monitor module (AIU) drive 107; The portable access processing module 108 that maintains easily in addition in addition.
Shown in Fig. 2 B, core monitoring modular 1 adopts bus structures, and the flexible configuration assembly is applicable to different network demands according to actual needs.Wherein, OTDR (optical time domain reflect testing module) finishes the test optical fiber function; OTAU (optical switch module) finishes the multi-channel optical fibre access function; AIU (alarm-monitor module) finishes the access of various warning information; OMPU (control module) plays the master control effect.
In one embodiment of the invention, that core monitoring modular 1 adopts is monitoring station (RTU), and shown in Fig. 2 C is monitoring station frame figure, and shown in Fig. 2 D is the measuring head structure chart of monitoring station.The measuring head of monitoring station adopts the card insert type structure, comprises power module (OPWC), control module (OMPU), test module (OTDR), optical switch module (OTAU), alarm-monitor module (OAIU), communication module and other modules.Below each module is described in detail:
Power module:
Power module OPWC adopts low noise, high accuracy, the highly reliable secondary power supply module of switch special use, produces a monitoring station optical tests required various DC power supply.OPWC has perfect overvoltage, overcurrent, short-circuit protection, and overheated and fault warning mechanism, is effective guarantee of test macro long-term stable operation.
Control module (OMPU and RTU software):
Control module OMPU and RTU software are the control cores of whole monitoring station.OMPU adopts high performance Pentium industrial computer, and the processing of giving whole test system is with powerful hardware supports.OMPU provides input/output ports such as display, keyboard, mouse, can connect at monitoring station place display, keyboard, mouse to the monitoring station be configured, maintenance and test operation.
RTU software is the core of monitoring center and test macro Business Processing, network management interface.RTU software
RTU software is the core of monitoring center and test macro Business Processing, network management interface.RTU software is operating under the Window95/98 operating system, and network environment is used the standard TCP agreement.RTU software adopts modularization and Object Oriented method design, and software has high reliability and maintainability.
The major function of OMPU and RTU software is as follows:
1. the operation of control monitoring station each module OTDR, OTAU, OAIU etc.;
2. with the communication of monitoring center and far-end optical switch, far-end AIU;
3. handle from monitoring center and local test request, resources such as scheduling OTDR and optical switch
Finish test assignment, and test result is analyzed, failure judgement is to submit to automatically;
4. handle the fixed time test task, in official hour, start the fixed time test task, in task
The optical cable of appointment is tested, and submits test result to;
5. handle alarm signal, trigger the test of corresponding lightguide cable link, carry out automatically from AIU
Trouble Report;
6. the state of each module of surveillance and monitoring station system is sent to fault and carries out fault warning and fault restoration
Work;
7. handle from monitoring center and local data configuration order, finish the data of monitor station are joined
Put work;
8. handle monitoring center and local plant maintenance operation, finish each EM equipment module of monitor station
Safeguard;
Test module:
OTDR (optical time domain reflect testing module) is the core test component of monitoring station RTU.The advanced person's that fiber optic network test macro of the present invention adopts OTDR module has the feature of high dynamic range, high measuring accuracy, low blind area.
OTDR has multiple model, can select according to wavelength and dynamic range.Supported wavelength has: 131Onm, 1550nm, 1625nm or 1310/1550nm, supported dynamic range is from 35dB to 40dB.
Optical switch module:
Optical switch module adopts 1 * N exchanged form, provide the monitoring station test module to a plurality of optical line by the access test.
Optical switch module can provide multiple model such as 1 * 8,1 * 16,1 * 32,1 * 64,1 * 96, can satisfy optical line that quantity do not wait by access.
The light shutter device that optical switch module adopts high life, high reliability, high stability, low switch to postpone.
The alarm-monitor module:
OAIU alarm-monitor module provides the collection of electric alarm signal and luminous power alarm signal, is that monitoring system realizes the fiber optic network visual plant of monitoring automatically.
Each OAIU module provides four road electric alarm signals collecting ports, and every road electric alarm is gathered port can select working voltage amount, switching value or magnitude of current signals collecting mode, and every kind of mode all can be provided with alarm level, alarm signal weight range etc.Electric alarm signals collecting port can be connected with the electric alarm delivery outlet of SDH (Synchronous Digital Hierarchy) (SDH) equipment or optical transceiver, gathers the alarm output of optical transceiver.
Each OAIU module can provide 16 tunnel luminous powers to detect the alarm collection port at most, each road luminous power detection port links to each other with monitored light path, promptly can gather the No Light Alarm signal, also can gather fault situation of change general in the optical cable by the variable power alarming threshold is set.Luminous power detects the alarm port can be according to actual monitoring fiber count flexible configuration.
Each OAIU module is furnished with one road secondary light source can assist to be equipped with the collection that the luminous power of fine mode detects alarm.
Communication module:
Fiber optic network test macro of the present invention monitoring station by DDN, X.25, multiple wide area network mode and monitoring center and the communications of test macro remote equipment such as PSTN, ATM, system has been equipped with the communication module realization specially for this reason.Communication module has DCN (PSPDN or DDN) and two kinds of communication interfaces of PSTN simultaneously, and system preferentially adopts the DCN communication interface to connect, and when DCN disconnected, system can become the communication interface of an opening automatically.
Other modules:
Fiber optic network Auto-Test System of the present invention has also adopted some other equipment such as wavelength division multiplexer WDM, filter, splitter etc. for realizing a complete fiber optic network monitoring scheme.
Wavelength division multiplex device and filter are mainly used in the on-line testing of fiber optic network, will test light wave and be synthesized on the tested optical fiber with the work light wave.
The luminous power that splitter is mainly used in optical fiber detects alarm collection.
The plug-in card frame of monitoring station provides 10 plate positions altogether, and wherein power panel, OMPU plate are in the fixed position, and the OTDR plate can be inserted 2 at most, if do not have, also can insert optical switch or AIU plate, and all the other plate positions can mixed insertion AIU and optical switch.
As seen, compared with prior art, the characteristics of the core monitoring modular 1 of fiber optic network Auto-Test System of the present invention are:
1. have open Network Interface Module 101, can be in many ways insert with the far-end of other points
Equipment connects;
2. have the test assignments at different levels that can accept automatic network, according to priority test is carried out test result
Intellectual analysis, and the test and management scheduler module of test result being sent back to the order source;
3. the alarm-monitor module that has multiple alarm collection mode has the electrical information alarm at transmission equipment
Fiber optical power alarm collection and SDH network management interface are collected, are equipped with in collection, the alarm of online optical power monitoring
Alarm is collected;
4. adopt the card insert type structure, be applicable to arterial grid, local network, but smooth expansion.
Far-end access module 3 comprises control section and remote equipment, and its composition is similar with the monitoring station in the core monitoring modular 1, does not just need to install the OTDR card.Described remote equipment mainly comprises far-end optical switch, far-end AIU and both combinations.Below remote equipment is elaborated:
The far-end optical switch:
The far-end optical switch is the same with the purpose of monitoring station optical switch module, be used to provide many optical line of far-end by access.
The far-end optical switch uses ICP/IP protocol to carry out communication with the monitoring station by wide area network, equally has DCN and two kinds of communication interface automatic shifting function of PSTN with the monitoring station, has fully guaranteed the reliability of equipment.
The optical switch module of monitoring station makes test macro utilize the mode incoming fiber optic test route of optical switch cascade with the far-end optical switch.The cascade of optical switch has guaranteed that fully test macro finishes the requirement of all Test Networkings.Fiber optic network Auto-Test System of the present invention allows optical fiber cascade progression can reach 4 grades.
Remote alarm is collected (AIU):
The alarm-monitor module of far-end AIU and monitoring station is the same, and main purpose is the collection that is used to finish optical transceiver electric alarm signal and luminous power detection alarm signal.
In order to realize that the luminous power that is equipped with fine mode detects the collection of alarming, far-end AIU can be furnished with the far-end secondary light source.
The combination of far-end AIU and monitoring station alarm collection module, the alarm-monitor network of having formed fiber optic network Auto-Test System of the present invention, finish the automatically timely discovery of test macro, formed complete alarm-monitor network optical fiber transmission network any point, arbitrary time Cable's Fault.
Be to realize the networking schematic diagram that test optical fiber inserts among the embodiment one of remote access device as shown in Figure 3A.
Be depicted as Fig. 3 B and realize the networking schematic diagram that warning information inserts among the embodiment two of remote access device.
Utilize remote access device, can also not only realize the test optical fiber access but also realize that warning information inserts.
As seen, compared with prior art, the characteristics of the far-end access module 3 of fiber optic network Auto-Test System of the present invention are: utilize existing telecom communication net, finish distal fiber test access and remote alarm collection access by described core monitoring modular 1 and center test and management module 2, thereby the light harvesting fibre is tested access interface, alarm access interface, is communicated by letter, is maintained in one, utilization concerns with the host of described core monitoring modular, finishes the fiber-optic monitoring that oneself can not finish separately.
Center monitors administration module 2 is made up of hardware devices such as software and microcomputer, servers, as shown in Figure 4, the data management and the maintenance module that comprise the management that can provide safe and reliable and configuration native system all devices, promptly the database that is used for store test data, alarm data, system configuration data 201 that connects with local area network (LAN) and being used to is safeguarded and the turnkey console 202 of configuration-system; The monitor station 203 that is used for the operation of optical cable test service, service management; Be used to generate and inquire about the form platform 204 of various forms; What be used to control all service desk and database, monitoring station serves control centre 205; The external interface 206 that is used for system extension as 112 interfaces, SDH network management interface, Access Network interface or the like, is surveyed with the integrated dimension that forms telecommunications network.
For long distance line net or ultra-large local network, according to the capacity and the characteristics of fiber cable network, can set up the multiple management pattern, form multistage monitoring center.Be illustrated in figure 5 as an embodiment of this multicenter mode: system is divided into triode reason pattern, and on the monitoring station, monitoring center can be divided into one-level monitoring center, secondary monitoring center, three grades of monitoring center etc. according to rank.Can adopt wide area network mode networkings such as DCN, PSTN between the monitoring center at different levels.
As shown in Figure 6, the auto-real-time monitoring flow process of center monitors administration module 2 is as follows:
1. Cable's Fault produces alarm signal;
2. the alarm collection unit of test macro collects the alarm signal generation, selects corresponding light path to test;
3. test optical fiber discovery fault is alarmed to monitoring center;
4. monitoring center receives that fault warning is single to lightguide cable link administrative staff and maintenance personal report, alarm, group;
5. the maintenance personal repairs lightguide cable link;
6. the optical cable reparation causes alarm signal to disappear;
7. the alarm collection unit of test macro collects the alarm signal disappearance, selects corresponding light path to test;
8. the reparation of test optical fiber discovery Cable's Fault is reported to monitoring center;
9. monitoring center receives that fault restoration report is to lightguide cable link administrative staff and the optical cable maintenance personal notice barrier that disappears.
As seen, compared with prior art, the characteristics of the centre management monitoring modular of fiber optic network Auto-Test System of the present invention are:
1. the data management and the maintenance module that have safe and reliable management and configuration native system all devices;
2. have the performance that is used to add up tested optical cable, generate form and conclusion, and the combining geographic information system, the form platform 204 of comprehensive examination and evaluation network data is provided for related telecommunications net management personnel;
3. for long distance line net and ultra-large local network,, can set up the multiple management pattern, form multistage monitoring center according to the capacity and the characteristics of fiber cable network; (multicenter)
4. the characteristics at the Access Network fiber optic network can form the integrated dimension of communication network and survey with 112 system interfaces; (112 interface)
Through evidence, automatic monitor system for optical fibre network of the present invention and prior art can be listed as follows in the comparison aspect systematic function and the cost:
| Project | Existing system | The present invention | |
| The integrated test of Access Network | Do not have | Have | |
| Test to the distal fiber network | Use test equipment, the cost height | Use the far-end access unit, insert the test of core testing equipment, cost is low | |
| Collection to remote alarm | Do not have | The far-end access module accesses to the core testing equipment | |
| Optical power | Online mode | 1, each cable section all need access device, insertion equipment on high by 2, the original transmission line of cost, potential faults | Online mode+be equipped with |
| Join fine system | Do not have | Have | |
| Autgmentability | Difficulty, though or can expand, capacity is little, is not suitable for the big capacity requirement of local network | Expansion is easy, and capacity is big, is fit to big capacity requirement of local network and development later on |
Claims (8)
1. automatic monitor system for optical fibre network, comprise core monitoring modular (1) and center monitors administration module (2), it is characterized in that, also comprise far-end access module (3), utilize existing telecom communication net to interconnect between described core monitoring modular (1), center monitors administration module (2) and the far-end access module (3).
2. automatic monitor system for optical fibre network according to claim 1 is characterized in that: described far-end access module (3) comprises control section and remote equipment.
3. automatic monitor system for optical fibre network according to claim 2 is characterized in that: the remote equipment of described far-end access module (3) comprises the far-end optical switch.
4. automatic monitor system for optical fibre network according to claim 2 is characterized in that: the remote equipment of described far-end access module (3) comprises far-end AIU.
5. automatic monitor system for optical fibre network according to claim 4 is characterized in that: the far-end AIU of described far-end access module (3) comprises the far-end secondary light source.
6. automatic monitor system for optical fibre network according to claim 1 is characterized in that: described core monitoring modular (1) comprising: open Network Interface Module (101); Can accept the test assignments at different levels of automatic network, according to priority test is carried out intellectual analysis to test result, and test result is sent back to the test and management scheduler module in order source; And have comprise that electrical information alarm is collected, the alarm of online optical power monitoring collects, is equipped with that the fiber optical power alarm is collected and the alarm-monitor module of SDH network management interface alarm collection mode.
7. automatic monitor system for optical fibre network according to claim 6 is characterized in that: the alarm-monitor module of described core monitoring modular (1) comprises the secondary light source that is used for being equipped with fiber optical power alarm collection.
8. automatic monitor system for optical fibre network according to claim 6 is characterized in that: described core monitoring modular (1) adopts and not only is applicable to arterial grid but also be applicable to local network, but the card insert type structure of smooth expansion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB991220358A CN1146152C (en) | 1999-10-26 | 1999-10-26 | Automatic monitor system for optical fibre network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB991220358A CN1146152C (en) | 1999-10-26 | 1999-10-26 | Automatic monitor system for optical fibre network |
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| Publication Number | Publication Date |
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| CN1294455A CN1294455A (en) | 2001-05-09 |
| CN1146152C true CN1146152C (en) | 2004-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB991220358A Expired - Lifetime CN1146152C (en) | 1999-10-26 | 1999-10-26 | Automatic monitor system for optical fibre network |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100401661C (en) * | 2004-03-03 | 2008-07-09 | 华为技术有限公司 | Optical fibre fault monitoring and positioning system for communication network and method thereof |
| PL2261714T3 (en) * | 2004-11-03 | 2016-09-30 | Optical fiber drop terminal | |
| CN101383660B (en) * | 2008-10-15 | 2011-05-04 | 北京航空航天大学 | Real-time monitoring platform and monitoring method for optical fiber channel network |
| CN102111217B (en) * | 2009-12-28 | 2015-04-22 | 中国神华能源股份有限公司 | Alarm monitoring device for synchronous digital hierarchy (SDH) equipment |
| CN101951291A (en) * | 2010-09-17 | 2011-01-19 | 淄博思科电子技术开发有限公司 | Optical fiber on-line automatic monitoring system |
| CN105591691B (en) * | 2016-02-29 | 2018-03-13 | 国网河南省电力公司南阳供电公司 | A kind of fault point positioning method of the communications optical cable based on GIS |
| CN111510800B (en) * | 2020-05-11 | 2021-12-10 | 安徽民生信息股份有限公司 | SDH transmission network safety monitoring system |
| CN111934754A (en) * | 2020-06-05 | 2020-11-13 | 国网江苏省电力有限公司南京供电分公司 | Optical cable on-line monitoring alarm management calling system |
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