CN101018089B - Optical fiber automatic monitoring system and method - Google Patents
Optical fiber automatic monitoring system and method Download PDFInfo
- Publication number
- CN101018089B CN101018089B CN2006100074138A CN200610007413A CN101018089B CN 101018089 B CN101018089 B CN 101018089B CN 2006100074138 A CN2006100074138 A CN 2006100074138A CN 200610007413 A CN200610007413 A CN 200610007413A CN 101018089 B CN101018089 B CN 101018089B
- Authority
- CN
- China
- Prior art keywords
- test
- optical fiber
- link
- plane
- tested
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The disclosed fiber automatic monitor system comprises: a fiber network profile, an optical business profile to generate abnormal affair to trigger system testing, a detection profile, and a monitor profile to control the detection and thereby find out the fault position. This invention improves performance traditional technology obviously, and has better performance on real time and system service time.
Description
Technical field
The present invention relates to fiber optic communication field, relate in particular to a kind of optical fiber automatic monitoring system and method.
Background technology
In recent years, along with improving constantly of broadband services demand, optical fiber communication has obtained greatly developing with the plurality of advantages of himself.But meanwhile, the maintenance issues of optical cable is also outstanding day by day, therefore, implements the real-time monitoring of lightguide cable link is seemed very important.
Optical fiber automatic monitoring system is to utilize the automatic monitoring that the remote test of optical fiber back scattering curve is realized lightguide cable link, its major function is, when abnormal conditions such as optical cable generation interruption, can select the optical fiber test link automatically, and startup optical time domain reflectometer (Optical Time DomainReflectometer, OTDR) device is tested, with the position of determining that Cable's Fault takes place.Realize that the matter of utmost importance that this function faces is, how to find in time that optical cable is unusual, the definite optical cable scope that need carry out fault location test, and be that OTDR test wavelength makes up corresponding passage.The technical scheme that present optical fiber automatic monitoring system is used to address this problem mainly contains following two kinds:
One, based on the scheme of poll
Scheme based on poll is meant at each bar in the fiber cable network in the monitoring range or each group optical cable segment, select corresponding test optical fiber link one by one, starting OTDR tests, be that system selects the logic of optical fiber test link to be based on the timeslice poll, and the test result that obtains analyzed, judge whether the optical cable segment when Pretesting is in malfunction, further to obtain concrete Cable's Fault positioning result.
Polling scheme finds that the real-time of Cable's Fault is relatively poor, and especially under the certain situation of system configuration OTDR device quantity, the fiber cable network scale in the monitoring range is big more, and real-time is just poor more; And frequently switch program control optical switch and select optical fiber test link and frequent starting OTDR to test, reduced the useful life of program control optical switch and OTDR.
Two, based on the scheme of Optical Power Monitor Module (OPM) and optical splitter
Be meant at the optical fiber link of bearer service based on the scheme of OPM and optical splitter, it is the preposition optical splitter in network element device port on the optical fiber service link, tell a small-power light signal the light signal from the optical fiber service link, as 3% of gross power, monitor the situation of change of the small-power light signal of being told by OPM.If the OPM monitoring result is unusual, system thinks that then the optical cable segment of this optical fiber service link correspondence may break down, thereby select corresponding test optical fiber link according to this optical fiber service link, starting OTDR tests, promptly trigger optical fiber automatic monitoring system and test, and obtain the Cable's Fault positioning result by test result according to the optical power monitoring anomalous event.
As seen, the test optical fiber link of this scheme is corresponding with the optical fiber service link, i.e. the test link of this scheme planning is closely related with optical fiber service plane topology, is unfavorable for the popularization and the use of scheme; And the optical fiber service link that utilizes this scheme to monitor is many more, then need hardware devices such as the OPM that disposes and optical splitter just many more, thereby increase the construction cost and the dilatation cost of whole optical fiber automatic monitoring system, the OPM of the placement that distributes and operation and the maintenance cost that optical splitter also can increase system; In addition, the adaptability of this scheme is limited, under specific environment, there is integrity problem, for example for the less optical fiber service link of luminous power degree more than needed, if adopt this scheme, luminous power is low to become unusual owing to receiving then can to cause optical user equipment original working properly on this link.
Summary of the invention
In view of this, the invention provides a kind of optical fiber automatic monitoring system and method, improved shortcomings such as the conventional art real-time is poor, the system equipment life-span is short, help more promoting and using.
For achieving the above object, optical fiber automatic monitoring system provided by the invention mainly comprises fiber cable network plane, optical fiber service plane, test plane and monitoring plane.
Wherein, the fiber cable network plane comprises optical cable segment, is used to optical fiber service plane and test plane that physical medium layer path is provided;
The optical fiber service plane comprises network element device, is used to produce the anomalous event relevant with the optical fiber service link of triggering system test, and anomalous event is reported the monitoring plane;
The test plane is used to carry out the test of test link, and test result is reported the monitoring plane;
The monitoring plane is used for determining unusual optical fiber service link according to the anomalous event that the optical fiber service plane reports, and each optical cable segment on the unusual optical fiber service link route is defined as optical cable segment to be tested, determine test link to be tested by optical cable segment to be tested, and control the test plane and carry out the test of test link to be tested, obtain the Cable's Fault positioning result by test result.
Wherein, described optical fiber service plane further comprises: the webmaster that links to each other with network element device, described webmaster is used to monitor the optical fiber service link, and optical fiber service link monitoring anomalous event reported the monitoring plane, described webmaster is further used for optical fiber service link monitoring anomalous event is filtered.
Wherein, described optical fiber service plane further comprises: optical splitter and Optical Power Monitor Module, optical splitter is positioned at the network element device port, the light signal that is used for from the optical fiber service link is told a small-power light signal, Optical Power Monitor Module is used to monitor the small-power light signal of being told, and will monitor anomalous event report the monitoring plane.
The test plane comprises that strobe unit makes up test link, is used to carry out the test of test link, and test result is reported the monitoring plane;
The monitoring plane comprises the A interface, B interface, D interface and automatic optical fiber monitoring module, be used for determining unusual optical fiber service link according to the anomalous event that the optical fiber service plane reports, and each optical cable segment on the unusual optical fiber service link route is defined as optical cable segment to be tested, determine test link to be tested by optical cable segment to be tested, and the test of test link to be tested is carried out on control test plane, obtain the Cable's Fault positioning result by test result, wherein, the A interface is used to automatic optical fiber monitoring module controls test plane that passage is provided, and reports test result that passage is provided for testing the plane to the automatic optical fiber monitoring module; B interface is used to automatic optical fiber monitoring module controls strobe unit that passage is provided; D interface is used to the optical fiber service plane to report anomalous event that passage is provided; Automatic optical fiber monitoring module stores fiber cable network flat topology information, obtain optical fiber service plane topology information by D interface, and storing fiber optic service plane topology information and all optical fiber service link route related information, be used for management of optical fibers automatic monitoring system data and automatic optical fiber monitoring logic.
Wherein, described optical fiber service plane further comprises: the webmaster that links to each other with network element device, described webmaster is used to monitor the optical fiber service link, and optical fiber service link monitoring anomalous event reported the monitoring plane, described webmaster is further used for optical fiber service link monitoring anomalous event is filtered.
Wherein, described optical fiber service plane further comprises: optical splitter and Optical Power Monitor Module, optical splitter is positioned at the network element device port, the light signal that is used for from the optical fiber service link is told a small-power light signal, Optical Power Monitor Module is used to monitor the small-power light signal of being told, and will monitor anomalous event report the monitoring plane.
Described test plane further comprises testing apparatus, and described testing apparatus is used for test link is tested, and test result is reported the monitoring plane.
Described A interface is used to automatic optical fiber monitoring module controls testing apparatus that passage is provided, and reports test result that passage is provided to the automatic optical fiber monitoring module for testing apparatus.
The present invention also provides a kind of automatic optical fiber monitoring method, is applied to mainly comprise the optical fiber automatic monitoring system on fiber cable network plane, optical fiber service plane, test plane and monitoring plane, and this method may further comprise the steps:
A0, automatic optical fiber monitoring module stores fiber cable network flat topology information are obtained optical fiber service plane topology information by D interface, and storing fiber optic service plane topology information and all optical fiber service link route related information;
A, determine unusual optical fiber service link, and each optical cable segment on the unusual optical fiber service link route is defined as optical cable segment to be tested by the anomalous event relevant of triggering system test with the optical fiber service link;
The optical cable segment to be tested that B, basis are determined is determined test link to be tested, the link of determining to be tested is optimized selection, and the test link to be tested after the optimized choice is tested, and obtains the Cable's Fault positioning result by test result.
When the described anomalous event of steps A was the optical power monitoring anomalous event, then described steps A was: determine unusual optical fiber service link by the optical power monitoring anomalous event, each the bar optical cable segment on the unusual optical fiber service link route is optical cable segment to be tested.
When the described anomalous event of steps A is the webmaster anomalous event, then described steps A is: the unusual network element device light mouth according to the indication of webmaster anomalous event is determined unusual optical fiber service link destination node, and determine unusual optical fiber service link by unusual optical fiber service link destination node, each the bar optical cable segment on the unusual optical fiber service link route is optical cable segment to be tested.
Also comprise before the described steps A: the network management alarm filter is set, the webmaster anomalous event is filtered.
Wherein, step B is described determines that according to optical cable segment to be tested test link to be tested comprises:
B1, inquire about all test link link roads that comprise optical cable segment to be tested by, the test link link road that obtains according to inquiry is connected by definite test link;
B2, inquire about all and comprise the test link route that definite test link connects, determine test link to be tested according to the test link route that inquiry obtains.
If described test link to be tested is via the test link control point, then the described test link route that obtains according to inquiry of step B2 determines that test link to be tested specifically comprises:
Determine the test link relation of continuing according to the test link route that inquiry obtains;
Determine the test link destination point according to the test link of the determining relation of continuing;
Determine test link control point port according to the test link destination point of determining;
Determine the test link control point according to the test link control point port of determining;
Issue the port switching command to the test link control point of determining, set up test link to be tested by the test link of the determining relation of continuing.
Step B is described to be determined also to comprise after the test link to be tested according to optical cable segment to be tested: in test link to be tested, select the test link combination to be tested of minimum number,
Then described test link to be tested is tested of step B is: the test link to be tested after selecting is tested.
As seen, optical fiber automatic monitoring system provided by the invention and method have following beneficial effect:
1. utilize equipment such as webmaster or optical splitter to monitor unusual that the optical fiber service link produces in real time, in time triggering system is tested, and determines to need not the optical cable segment that breaks down poll and wait for, has greatly strengthened the real-time of system;
2. trigger optical fiber automatic monitoring system by anomalous event and test, need not frequent starting testing apparatus or program control optical switch, prolonged the system equipment life-span, reduced system cost;
3. with optical cable segment optical fiber service link and test link are described, be that optical fiber service link and test link are associated with optical cable segment respectively, there is not direct incidence relation between optical fiber service link and the test link, thereby make the planning of test plane irrelevant, help the popularization and the use of scheme more with optical fiber service plane topology.
In addition, but the with different levels structure of optical fiber automatic monitoring system makes each level realize loose coupling stand-alone development, flexible combination, helps the analysis and the optimization of system; And further, the system or the method for testing by webmaster anomalous event triggering system, need not to increase any ancillary hardware equipment such as optical splitter or OPM, just can realize the real-time monitoring of Cable's Fault, reduced the costs such as construction, dilatation, operation or maintenance of whole optical fiber automatic monitoring system, and can not exert an influence normal optical user equipment.
Description of drawings
Fig. 1 is the optical fiber automatic monitoring system structural representation;
Fig. 2 is a fiber cable network panel data model schematic diagram;
Fig. 3 is the schematic diagram that concerns between network element light mouth and optical fiber distributing arrangement terminal;
Fig. 4 is an optical fiber service link route schematic diagram;
Fig. 5 is an optical fiber service plane data model schematic diagram;
Fig. 6 is the test link schematic diagram;
Fig. 7 is a 1:n fiber connectivity choice device schematic diagram;
Fig. 8 is that the test link link road is by schematic diagram;
Fig. 9 is test panel data model schematic diagram;
Figure 10 is the system configuration schematic diagram of the embodiment of the invention;
Figure 11 is the automatic optical fiber monitoring method flow chart of the embodiment of the invention;
Figure 12 is for determining the flow chart of test link to be tested according to optical cable segment to be tested in the embodiment of the invention;
Figure 13 is for setting up the flow chart of test link to be tested in the embodiment of the invention.
Embodiment
The present invention is a kind of optical fiber automatic monitoring system and method, and for making purpose of the present invention, technical scheme and advantage clearer, the embodiment that develops simultaneously with reference to the accompanying drawings is described in further detail the present invention.
Referring to Fig. 1, system provided by the present invention mainly comprises: fiber cable network plane, optical fiber service plane, test plane and monitoring plane.
Wherein, the fiber cable network plane comprises optical cable segment, is used to optical fiber service plane and test plane that the path of physical medium layer is provided;
The optical fiber service plane comprises network element device, is used to produce the anomalous event of triggering system test, and anomalous event is reported the monitoring plane;
The test plane is used to carry out the test of test link, and test result is reported the monitoring plane;
The monitoring plane is used for determining unusual optical fiber service link according to the anomalous event that the optical fiber service plane reports, and determine optical cable segment to be tested by unusual optical fiber service link, determine test link to be tested by optical cable segment to be tested, and control the test plane and carry out the test of test link to be tested, obtain the Cable's Fault positioning result by test result.
The present invention also provides a kind of automatic optical fiber monitoring method, and the basic thought of this method is: the anomalous event by the triggering system test is determined unusual optical fiber service link, and determines optical cable segment to be tested according to unusual optical fiber service link; Determine test link to be tested according to the optical cable segment of determining to be tested, and test link to be tested is tested, obtain the Cable's Fault positioning result by test result.Wherein, described anomalous event is the webmaster anomalous event or is the optical power monitoring anomalous event.
For ease of understanding, respectively above-mentioned four planes are elaborated below:
1, fiber cable network plane
Referring to Fig. 1, the fiber cable network plane mainly is made of terrestrial reference and optical cable segment, terrestrial reference be meant have longitude, the entity of geography information such as latitude, as ground markstone, Ren Jing, hand well, line bar, fiber cable cross connection box, fibre distribution frame, machine building, machine room etc.Description ground calibration method has a variety of, and use GM# represents # terrestrial reference on the fiber cable network plane in the present embodiment, as first terrestrial reference on the fiber cable network plane among Fig. 1 is designated as GM1.Optical cable segment is meant physically or one section complete in logic optical cable that two end points of optical cable segment are called the optical cable segment destination node, and there are relation one to one in optical cable segment destination node and terrestrial reference.The method of describing optical cable segment has a variety of, describes optical cable segment by terrestrial reference in the present embodiment, on the fiber cable network plane among Fig. 1, represents optical cable segment between GM1 and the GM2 with GM1-GM2.
As shown in Figure 2, the relation on the fiber cable network plane between terrestrial reference, optical cable segment and the optical cable segment destination node is as follows: an optical cable segment comprises 2 optical cable segment destination nodes, the corresponding terrestrial reference of optical cable segment destination node.
2, optical fiber service plane
Referring to Fig. 1, the optical fiber service plane mainly is made of network element device, network element device is meant and need uses optical fiber to send to far-end, maybe needs to use optical fiber to receive the equipment of the communicate optical signal that far-end sends, and is that optical interface or light mouth are connected with optical fiber by equipment interface.The method of description network element device has a variety of, uses NE# to describe network element device in the present embodiment, and # network element device on the expression optical fiber service plane is as being designated as NE1 with first network element device on the optical fiber service plane among Fig. 1.
Between the network element device light mouth end to end the optical signal transmission medium channel be called the optical fiber service link, two end points of optical fiber service link are called optical fiber service link destination node, wherein, the optical signal transmission medium channel abbreviates light path usually as.The method of describing the optical fiber service link has a variety of, by network element device the optical fiber service link is described in the present embodiment, on the optical fiber service plane among Fig. 1, there is the optical fiber service link between NE1 and NE2 and NE1 and the NE3, can be expressed as NE1-NE2, NE1-NE3 respectively.
In fact, the physical medium layer path of optical fiber service link provided by the fiber cable network plane, referring to Fig. 3, the corresponding optical fiber distributing arrangement terminal of network element device light mouth, optical fiber service link between the network element device light mouth can be equal to the optical fiber service link of regarding as between the corresponding optical fiber distributing arrangement terminal, wherein, described optical fiber distributing equipment is the terrestrial reference on the fiber cable network plane, for example fiber cable cross connection box, fibre distribution frame etc.The foundation of optical fiber service link be one at fiber cable network plane scheduling fiber resource, create optical fiber service link route, the process of end-to-end light path be provided.Optical fiber service link route is the route that the optical fiber service link is realized on the fiber cable network plane, is expressed as the ordered sequence of optical cable segment on the fiber cable network plane.Referring to Fig. 4, dotted line represents that the network element device NE# on the optical fiber service plane of one side is positioned at the terrestrial reference GM# place on the fiber cable network plane of its opposite side, be that NE# has identical or very close geographical position with GM#, network element device can use corresponding target optical cable segment destination node in the same manner the fibre core in the corresponding optical cable set up the optical fiber service link.Setting up the corresponding relation of network element device and terrestrial reference, mainly is ease for use and the clarity that increases model, and concrete corresponding relation does not need very accurate.Among Fig. 4, the constructive process of NE1-NE2 optical fiber service link route is: respectively select one or a pair of optical fiber respectively on optical cable segment GM1-GM2, GM2-GM3 and GM3-GM4, with these three or the three pairs of optical fiber is fixed, semifixed or movable continuing, form the light path between the NE1 to NE2 at GM2 and GM3 place.So the route of optical fiber service link NE1-NE2 can be expressed as
Wherein, the item expression optical cable segment in the bracket.The entity of all optical fiber service link routing iinformations is called optical fiber service link routing table on the record optical fiber service plane.As shown in Figure 5, relation on the optical fiber service plane between each element is as follows: a network element device comprises a plurality of light mouths, the corresponding optical fiber service link destination node of light mouth, article one, the optical fiber service link comprises two optical fiber service link destination nodes, corresponding optical fiber service link route, article one, optical fiber service link route comprises a plurality of orderly optical cable segment, and an optical fiber service link routing table comprises many optical fiber service link routes and many optical fiber service link.
3, test plane
Referring to Fig. 1, the test plane is by working in coordination with the network that the entity of finishing test assignment constitutes, mainly comprising testing apparatus such as OTDR and strobe unit such as program control optical switch, be used to describe with the testing apparatus be root, strobe unit be node tree-shaped test link (Test Link, TL).Test link is promptly tested wavelength transmission channel end to end, the top of test link is called test link starting point (Test LinkOriginal Point, TLOP), the terminal of test link is called test link destination node (Test LinkTermination Point, TLTP), available TLOP# represents to test the test link starting point that is numbered # on the plane, and TLTP# represents to test the test link destination node that is numbered # on the plane.Generally speaking, the top of test link is OTDR, and terminal is the test link destination node, OTDR directly carries out each test assignment, obtain corresponding test result, only at the physical medium path under the situation such as unusual as interruption, the test link terminal is positioned at the interruption position of physical medium path.As shown in Figure 6, dotted portion represents with TLOP1 to be that starting point, TLTP1 and TLTP2 are two test links of destination node, these two test links can be designated as TLOP1-TLTP1 and TLOP1-TLTP2 respectively.
(Test Link Control Node is a program-controlled fiber connectivity choice device TLCN), abbreviates strobe unit here as at the test link control point.Be example with 1:n fiber connectivity choice device shown in Figure 7 below, the function at test link control point is described.1:n fiber connectivity choice device has 1+n optical fiber connectivity port and a program control interface, PA port and P1 port to Pn port is the optical fiber connectivity port, is used to connect optical fiber, wherein, the PA port is called treats communications ports, and P1 port to Pn port is called selected port.When strobe unit is worked, can assign program command to strobe unit by the program control interface, select one from the P1 port to the Pn port, set up the PA port, control strobe unit by B interface as the monitoring plane among Fig. 1 to the fiber connectivity between this selected port.Selected port among Fig. 7 is P1, and optical fiber A is continued with optical fiber 1 to be communicated with.
Test link connects (Test Link Conneciton, TLC) be meant link between test link starting point direct neighbor, that possess connectivity relationship and test link control point, test link control point and test link control point and test link control point and the test link destination node, as existing three test links to connect among Fig. 8, be respectively TLOP1-TLCN1.PA, TLCN1.Px-TLTP1 and TLCN1.Py-TLTP2, wherein, TLCN1.PA, TLCN1.Px and TLCN1.Py represent PA, Px and the Py port of test link control point TLCN1 respectively.Two end points that test link connects are called the test link destination point.Monitoring system is selected to connect test link by control test link control point and is connected, and forming with OTDR is that starting point, test link destination node are the test link of terminal point.
On the path from the test link starting point to the test link destination node, the ordered sequence that connects of all test links of process constitute the test link route, route as test link TLOP1-TLTP1 among Fig. 8 can be expressed as the ordered sequence that following two test links connect, promptly
And the route of test link TLOP1-TLTP2 can be expressed as
The information entity of all test link routes is called the test link routing table on the record test plane.
In the test link route
On,＜TLOP1-TLCN1.PA〉with＜TLCN1.Px-TLTP1〉these two test links are connected need be at the connection PA of TLCN1 place and these two test link control point ports of Px, and this connectivity relationship on the test link route is called the test link relation of continuing.From the angle at test link control point, the test link relation of continuing can be understood as, and is purpose to form certain bar test link, at the matching relationship for the treatment of on the test link control point between communications ports and the specific selected port that is connected.
Similar with optical fiber service link route, the test link link road is by being meant that test link is connected the route that realizes on the fiber cable network plane, is expressed as the ordered sequence of optical cable segment on the fiber cable network plane.Referring to Fig. 8, the test plane entity that dotted line is represented the one side has identical or very close geographical position with terrestrial reference on the fiber cable network plane of its opposite side, lay respectively at GM1, GM3, GM4 and GM5 as TLOP1, TLCN1, TLTP1, TLTP2, then the route of test link connection TLOP1-TLCN1.PA can be expressed as
The route of TLCN1.Px-TLTP1 can be expressed as＜GM3-GM4 〉, the route of TLCN1.Py-TLTP2 can be expressed as＜GM3-GM5 〉.The entity of all test links connection routing iinformations is called test link and connects routing table on the record test plane.The test link link road connects the route of TLOP1-TLCN1.PA by the last splicing point that also exists as test link
There is the relation of continuing at the GM2 place, like this continue generally forever to continue with optical fiber continues as welding, activity that operation realizes as manual types such as optical fiber distributing equipment jumper connections, continue differently with the gating at link test control point place, do not possess the characteristics of the program-controlled gating at link test control point.
As shown in Figure 9, relation on the test plane between each element is as follows: a test link comprises a test link starting point and a test link destination node, corresponding test link route, the corresponding OTDR of test link starting point, article one, the test link route comprises a plurality of test links relation of continuing and comprises many orderly test links and be connected, corresponding two the test link destination points of the test link relation of continuing, the corresponding test link control point port of test link destination point, a test link control point comprises a plurality of test links control point port, a test link routing table comprises many test links and many test link routes, article one, test link connects and comprises two test link destination points, test link connect that routing table comprises that many test links connect and many test link link roads by, a test link link road is by corresponding test link connection, comprise a plurality of orderly optical cable segment.
4, monitoring plane
Referring to Fig. 1, the monitoring plane mainly comprises A interface, B interface, D interface and automatic optical fiber monitoring module, is used to manage the communication of the data of whole system, responsible whole system and controls whole automatic monitoring logic.Respectively each element of monitoring the plane is introduced below:
1) A interface
The A interface is an automatic monitoring modular of optical fiber and the information interactive interface of testing between test link starting point equipment on the plane such as the OTDR on the monitoring plane, the automatic optical fiber monitoring module is by A interface control test link starting point equipment, the test plane reports test result by the A interface, comprises in the information of A interactive interfacing:
1. the parameter management of test link starting point is as setting, inquiry and the modification etc. of parameter;
2. the management of single test assignment is as starting test, obtaining test result etc.
2) B interface
B interface is an automatic monitoring modular of optical fiber and the information interactive interface of testing between test link control point equipment on the plane such as the program control optical switch on the monitoring plane, the automatic optical fiber monitoring module is by B interface control test link control point, and the information mutual at B interface comprises:
1. the parameter management of test link control point port is as setting, inquiry and the modification etc. of parameter;
2. the gating control between communications ports and the selected port is treated at the test link control point;
3. the gating operation acknowledgement between communications ports and the selected port is treated at the test link control point.
3) D interface
D interface is the information interactive interface between the automatic monitoring modular of optical fiber and the optical fiber service plane on the monitoring plane, and the optical fiber service plane reports triggering system to start the anomalous event of testing by D interface, and the information mutual at D interface comprises:
1. optical fiber service plane topology comprises information such as network element device and fiber topology connection;
2. optical fiber service plane incident refers to that the triggering system that the optical fiber service plane is produced starts the anomalous event of testing.
4) automatic optical fiber monitoring module
The automatic optical fiber monitoring module is mainly used in Management System Data and monitoring logic, and is specific as follows:
1. information data management
Information data management is meant fiber cable network flat topology information, optical fiber service plane and test flat topology information and routing iinformation, and the management of monitoring plane self information, as input, modification, the deletion of information, inquire about, present and storage etc.Also comprise test data management in addition, the presenting, analyzes, file of the test result data of returning after promptly test assignment being finished stores and inquiry etc.
2. test link management
The test link management refers to the foundation of test link, the optimized choice of test link, the startup test of test link and the dismounting of test link etc.
The foundation of test link is meant by automatic optical fiber monitoring module controls dependence test controlling links point, and all test links on the connection test link route connect.
The optimized choice of test link, be meant to be generally optical cable segment when one or one group of tested object, when having some test links, according to optimized choice principle such as test link minimum number principle, in alternative test link, select the test link combination of suitable minimum number.For example, one time test assignment need be tested two optical cable segment A, B, according to optical cable segment inquiry test optical fiber link, suppose that Query Result is that optical cable segment A can test by a test link or c test link, optical cable segment B can test by a test link or b test link, then have two test link selection schemes this moment at least, a scheme is to use test link a, another scheme is to use test link c, b, test link quantity in the former scheme is 1, test link quantity in latter's scheme is 2, and the test link minimum number that the former scheme need be used is so select the former scheme.Be optimized selection according to test link minimum number principle, can make the same optical cable segment of test, testing apparatus starts the least number of times of test, finishes test fast, help prolonging testing apparatus useful life, reduce the operation and maintenance cost of system.
3. test assignment management
The execution of test assignment need expend certain hour, when some anomalous events take place in the optical fiber service plane, may need to carry out a plurality of test assignments, these test assignments form task queue in software systems, test assignment management is meant carries out controls such as additions and deletions and ordering to the test assignment in the task queue.
The monitoring plane also comprises communication network, and communication network can be by optical fiber automatic monitoring system main frame, network interface unit or physical communication interface, communication protocol such as TCP/IP etc., and structure such as communication protocol conversion device forms, but is not limited to this type of structure.Communication network is used to provide the communication link that can carry out information interaction between optical fiber service plane and the automatic optical fiber monitoring module, and can carry out the communication link of information interaction between test plane and the automatic optical fiber monitoring module.
More than each part of optical fiber automatic monitoring system has been done detailed description, system starts test according to the anomalous event control test plane that the optical fiber service plane reports, and the anomalous event that the present invention adopts is webmaster anomalous event or optical power monitoring anomalous event.
If described anomalous event is the webmaster anomalous event, then described optical fiber service plane further comprises the webmaster that links to each other with network element device, and whether be used to monitor the optical fiber service link normal, if unusual, then will monitor anomalous event and report the monitoring plane.Because the optical fiber link of optical fiber service link physical medium layer is provided by fiber cable network, therefore when generation in the fiber cable network as interruption of optical cables, optical cable in during fault such as optical fiber property deterioration, corresponding net element equipment light mouth will take place unusually on the optical fiber service plane, as producing corresponding alarm, performance event or performance change etc., webmaster can report the monitoring plane by D interface with these anomalous events that receive.But not all network element device light mouth is unusually all caused unusually by the optical cable segment on the optical fiber service link route of correspondence, therefore webmaster need further possess the function of unusual filtration, the webmaster anomalous event that reports by D interface is filtered, make to have only just to be reported the monitoring plane of optical fiber automatic monitoring system with the unusual relevant webmaster anomalous event of optical cable or received that the monitoring plane is tested according to the webmaster anomalous event triggering system that receives by the monitoring plane of optical fiber automatic monitoring system.
If described anomalous event is the optical power monitoring anomalous event, then described optical fiber service plane further comprises optical splitter and Optical Power Monitor Module OPM, optical splitter is positioned at the network element device port, the light signal that is used for from the optical fiber service link is told a small-power light signal, OPM is used to monitor the situation of change of the small-power light signal of being told, if optical power monitoring is unusual, then OPM reports the monitoring plane by D interface with the optical power monitoring anomalous event, and the monitoring plane is tested according to the optical power monitoring anomalous event triggering system that receives.
If adopt the anomalous event of webmaster anomalous event as the triggering system test, then the present invention need not to increase any ancillary hardware equipment such as optical splitter and OPM, can realize the function of automatic optical fiber monitoring.
Adopt optical fiber automatic monitoring system model provided by the invention, can form the multiple optical fiber automatic monitoring system that triggers based on the webmaster anomalous event, wherein, described webmaster can be transmission network management or data network management etc., is that example describes with the optical fiber automatic monitoring system that triggers based on the transmission network management anomalous event below.
Referring to Figure 10, optical fiber service plane, test plane and monitoring plane can be integrated into system by adopting following assembly, finish the automatic optical fiber monitoring function:
1. optical fiber service plane assembly
Adopt to support the transmission network management of TMF CORBA northbound interface, as the T2000/T2100 of Huawei, in emerging E300/N100, the transmission network management such as TNMS of Siemens.
2. test planar module
Adopt to support the OTDR and the program control optical switch of 1:N of SCPI interface, can adopt or make up as OTDR adopt that Agilent, peace are upright, the Related product of manufacturers such as A Ke Tener or EXFO, the program control optical switch of 1:N can adopt the Related product of manufacturer such as JDS.
3. monitor planar module
The A interface adopts the SCPI interface, and wherein, the SCPI interface is an interface general between computer and the testing equipment, and the SCPI standard is based on the standard code of IEEE-488.2 and form;
B interface adopts the control interface of program control optical switch;
D adopts the TMF corba interface, and wherein, the TMF corba interface is meant the CORBA northbound interface standard in the multi-technology networks management MTNM solution of Tele Management Forum TMF exploitation;
Communication network can ICP/IP protocol be a fundamental construction;
The automatic optical fiber monitoring module can realize based on system model and fiber cable network plane, optical fiber service plane, test plane and synergistic mechanism.
Wherein, optical fiber service plane, the adoptable assembly in test plane and monitoring plane are not limited to foregoing, also can adopt the control interface of other type as the A interface.
About Figure 10, have following some need be illustrated:
A, dotted line are represented the communication link based on communication network;
B, heavy line represent that test link connects entity, test link connects the realization of entity can adopt dark fine scheme, promptly there is not the mode that is equipped with fibre, adopts flexible connection at the convergent point of different optical cable segment in the optical cable segment selection, with the jumping fiber connection etc., test link connects the realization of entity also can adopt bright fine scheme as the flexible connection distribution area of fiber cable cross connection box or GPZ;
C, optical fiber automatic monitoring system allow the existence and the distribution of a plurality of transmission network management, a plurality of OTDR, a plurality of program control optical switches;
D, optical fiber automatic monitoring system need meet the following conditions:
Communication network can cover the position at automatic optical fiber monitoring module, transmission network management, OTDR, program control optical switch place, and corresponding communication links can be provided;
The optical fiber service link that transmission network forms can cover needs the fiber cable network of location anomalous event in real time;
Test link connects can cover the fiber cable network that need monitor.
Below in conjunction with system provided by the present invention, automatic optical fiber monitoring method is elaborated.Before carrying out automatic optical fiber monitoring method provided by the present invention, need carry out following configuration in advance:
A, with fiber cable network flat topology information stores in the automatic optical fiber monitoring module, wherein, described fiber cable network flat topology information comprises the composition information on fiber cable network plane etc.
B, automatic optical fiber monitoring module are obtained optical fiber service plane topology information automatically by D interface, and the information of carrying out correction, as removing not the optical fiber service link within system's limit of consideration etc.; Then, at each the bar optical fiber service link on the optical fiber service plane, practical topology and fiber cable network flat topology according to the optical fiber service plane, according to the pairing optical fiber distributing arrangement terminal of optical fiber service link destination node, dispose optical fiber service link route one by one, all optical fiber service link routing iinformations are formed optical fiber service link routing table, and optical fiber service plane topology information and all optical fiber service link route related information are stored in the automatic optical fiber monitoring module.
If the anomalous event of described triggering system test is the webmaster anomalous event, then need set in advance the network management alarm filter, will with the unusual relevant alarm type of optical cable, alarm object attributes such as content are as filtercondition, as receive only network element device light mouth at transmission medium layer (PHY), the light of the regenerator section (RS) of SDH (Synchronous Digital Hierarchy) (SDH) system correspondence and multiplex section (MS) layer or wavelength division multiplexing (WDM) system correspondence transmits the alarm of section (OTS) and optical multiplexing section (OMS) layer, performance event or performance change etc., the webmaster anomalous event that reports by D interface is filtered, make to have only just to be reported, and triggering system is tested with the unusual relevant webmaster anomalous event of optical cable.
For example, the present invention is as follows respectively to the processing of optical fiber service link exceptional cast and optical cable cleft grafting incident:
Optical fiber service link exceptional cast can be expected the incident that takes place, can trigger the optical fiber automatic monitoring system test in the brainchild, as the replacing of optical interface dish, transport service cutover etc.The exceptional event handling of optical fiber service link, be meant that alarm, performance event or performance change that optical fiber service link exceptional cast is produced can not trigger optical fiber automatic monitoring system and test, be specially: system specifies the optical fiber service link of exceptional cast generation and the period that exceptional cast takes place, and the alarm filter device is set automatically at the pairing network element device of optical fiber service link of appointment, make that system does not receive, do not handle alarm, performance event or the performance change that this network element port reports in the exception period.If optical fiber service link exceptional cast makes the corresponding relation between optical fiber service link destination node and the optical fiber distributing arrangement terminal that change take place, then system need reconfigure optical fiber service link route.
The optical cable cleft grafting incident, it is constant but because the incident that the fiber cable network adjustment causes optical fiber service link route to interrupt or change, this class incident generally has planned and predictability to make a general reference corresponding relation between all network element ports and the optical fiber distributing arrangement terminal.The optical cable cleft grafting event handling, be meant the alarm that the optical cable cleft grafting incident is produced, performance event or performance change can not trigger optical fiber automatic monitoring system and test, be specially: system specifies the optical cable segment of optical cable cleft grafting incident generation and the period that the optical cable cleft grafting incident takes place, all comprise that the pairing optical fiber service link of optical fiber service link route of this optical cable segment all is defined as affected optical fiber service link, and the alarm filter device is set automatically at the pairing network element device of determining of optical fiber service link, make that system does not receive in the cutover period, do not handle the alarm that this network element port reports, performance event or performance change.
Article one, the optical fiber service link comprises two optical fiber service link destination nodes, and optical fiber service link destination node is corresponding with network element device light mouth, if the light mouth of optical fiber service link destination node correspondence takes place unusual, then think this optical fiber service link destination node abnormal state, if light mouth alarm clearance, then this optical fiber service link destination node state is normal; When two destination node states of optical fiber service link all just often, this optical fiber service link state is normal, otherwise this optical fiber service link is considered as unusual optical fiber service link.
C, the flat topology information stores be will test in the automatic optical fiber monitoring module, testing apparatus such as OTDR, and the mailing address information of test link control point such as program control optical switch etc. comprised; And create the test link link information according to the actual deployment of system, connect at each bar test link, according to test flat topology and fiber cable network flat topology configuration testing link link road by, all test link link roads are formed test link by information and are connected routing table, and the relevant information that will test flat topology information and the connection of all test links is stored in the automatic optical fiber monitoring module.
And, be that root, test link control point are that node, test link are connected on the tree topology of branch with the testing apparatus, automatically search is all test links of test link starting point with this testing apparatus, and create the test link route automatically and be connected the relation of continuing with test link, all test link routing iinformations are formed the test link routing table, and the relevant information of test link is stored in the automatic optical fiber monitoring module.Described automatic search is: be that root, test link control point are that node, test link are connected on the tree topology of branch with the test link starting point, from the initial link for the treatment of the leaf node end of communications ports or tree to each test link control point of test link starting point, be the test link relevant with this test link starting point.Test link is the test link route through the test link catenation sequence on the route, and on each bar test link during through the test link control point, the test link control point treats that the test link of the matching relationship formation test link of communications ports and selected port is connected the relation of continuing, and system can be connected the relation of continuing to the test link route and make amendment with test link.
For example, referring to Fig. 6, exist these three test links of TLOP1-TLCN1.PA, TLCN1.Px-TLTP1 and TLCN1.Py-TLTP2 to be connected in the system, from TLOP1, at first find TLOP1-TLCN1.PA, then TLOP1-TLCN1 is a test link, searching the test link that whether has other on the TLCN1 then connects, then find TLCN1.Px-TLTP1 and TLCN1.Py-TLTP2, then there are two test links of TLOP1-TLTP1 and TLOP1-TLTP2 herein, wherein, the route of TLOP1-TLTP1 is
The corresponding test link relation of continuing is TLCN1.PA-TLCN1.Px, and the route of TLOP1-TLTP2 is
The corresponding test link relation of continuing is TLCN1.PA-TLCN1.Py, because TLTP1, TLTP2 are the test link destination nodes, so automatically establishing procedure so far finishes.
After above-mentioned many information configuration finish, optical fiber automatic monitoring system just can have been carried out the function of automatic monitoring, Figure 11 shows that the flow chart of automatic optical fiber monitoring method in the embodiment of the invention, in conjunction with Fig. 1 and Figure 11, utilize system provided by the present invention, automatic optical fiber monitoring method of the present invention specifically comprises following step:
Step 1101: the anomalous event according to the triggering system test is determined unusual optical fiber service link;
When abnormal conditions such as fiber cable network generation interruption, the optical fiber service plane produces the anomalous event of triggering system test, and by D interface with anomalous event report the monitoring plane, after the monitoring plane receives the anomalous event that reports, preparation begins to test, and at first needs to determine unusual optical fiber service link according to anomalous event.Wherein, described anomalous event is optical power monitoring anomalous event or webmaster anomalous event, if anomalous event is the optical power monitoring anomalous event, then the unusual optical fiber service link of the generation of the current monitoring of OPM is unusual optical fiber service link; If anomalous event is the webmaster anomalous event, then describedly determine that according to anomalous event unusual optical fiber service link is: the unusual network element device light mouth according to webmaster anomalous event correspondence is determined corresponding unusual optical fiber service link destination node, and determines corresponding unusual optical fiber service link according to unusual optical fiber service link destination node.
Step 1102: determine optical cable segment to be tested according to unusual optical fiber service link;
After having determined unusual optical fiber service link, the monitoring plane obtains unusual optical fiber service link route by the optical fiber service link routing table that inquiry is stored in the automatic optical fiber monitoring module, then all might there be fault in each optical cable segment on this unusual optical fiber service link route, need test, thereby determine optical cable segment to be tested.
Step 1103: determine to treat the test link to be tested that the test optical fibre cables section is tested according to optical cable segment to be tested;
Step 1104: test link to be tested is tested, obtained the Cable's Fault positioning result by test result.
After having determined test link to be tested, the system start-up testing apparatus is tested test link to be tested, and the test result that obtains is analyzed, to obtain the Cable's Fault positioning result.The process of system start-up testing apparatus is specific as follows: the monitoring plane is according to the mailing address that is stored in the testing apparatus of the test link correspondence to be tested in the automatic optical fiber monitoring module in advance, issue test command by the A interface to testing apparatus, start testing apparatus and test.
Wherein, referring to Figure 12, step 1103 may further comprise the steps:
Step 1201: inquire about all test link link roads that comprise optical cable segment to be tested by;
After having determined optical cable segment to be tested, the test link that inquiry is stored in the automatic optical fiber monitoring module connects routing table, obtain all test link link roads that comprise optical cable segment to be tested by.
Step 1202: the test link link road that obtains according to inquiry is connected by the test link of determining correspondence;
Step 1203: inquire about all and comprise the test link route that definite test link connects;
After having determined that test link connects, inquiry is stored in the test link routing table in the automatic optical fiber monitoring module, obtains all and comprises the test link route that definite test link connects.
Step 1204: determine pairing test link to be tested according to the test link route that inquiry obtains.
Press determined all test links of said process, be the test link to be tested that to test optical cable segment to be tested.
Wherein, step 1103 further comprises: the test link to be tested that step 1103 is determined is optimized selection;
The optimized choice of test link is meant when there are some test links in one or one group of optical cable segment to be tested, according to optimized choice principle such as test link minimum number principle, selects the test link combination of suitable minimum number in alternative test link.For example, one time test assignment need be tested two optical cable segment A, B, according to optical cable segment inquiry test optical fiber link, suppose that Query Result is that optical cable segment A can test by a test link or c test link, optical cable segment B can test by a test link or b test link, then have two test link selection schemes this moment at least, a scheme is to use test link a, another scheme is to use test link c, b, test link quantity in the former scheme is 1, test link quantity in latter's scheme is 2, and the test link minimum number that the former scheme need be used is so select the former scheme.And for example, test optical fibre cables section A needs use test link a, and test optical fibre cables section B also needs use test link a, and test gets final product then only to need to carry out once to test link a, rather than twice.Promptly when all corresponding identical test link of many optical cable segment to be tested, test get final product only to need to carry out once to this test link, tests and need not carry out repeatedly repeatedly.
The optimized choice of test link can make the same optical cable segment of test, and testing apparatus starts the least number of times of test, finishes test fast, strengthens the real-time of test, help prolonging testing apparatus useful life, reduce the operation and maintenance cost of system.
Referring to Figure 13, via the test link control point, test link promptly to be tested must could be set up by the gating at test link control point as if the determined test link to be tested of step 1103, and then step 1103 specifically comprises:
Step 1301: determine the corresponding test link relation of continuing according to the test link route that inquiry obtains;
Step 1302: determine corresponding test link destination point according to the test link of the determining relation of continuing;
Step 1303: determine corresponding test link control point port according to the test link destination point of determining;
Step 1304: determine corresponding test link control point according to the test link control point port of determining;
Step 1305: issue the port switching command to the test link control point of determining, set up test link to be tested by the test link of the determining relation of continuing.
The test link control point of having determined test link to be tested is connected the relation of continuing with test link after, the monitoring plane is according to the mailing address that is stored in the test link control point in the automatic optical fiber monitoring module in advance, issue the port switching command by B interface to the test link control point that the test link to be tested relation of continuing is determined, set up test link to be tested by the test link to be tested relation of continuing.After system receives that the switching at test link control point is confirmed, think that then test link creates successfully; Switch to confirm function if the test link control point does not possess, then can adopt the scheme of delay confirmation to confirm that test link creates whether success, promptly after issuing the port switching command, through just thinking that after a while test link creates successfully.
For ease of understanding, the present invention adopts each part of the formal description system on plane, in fact, also can not divide the plane, and each part of direct descriptive system, this does not constitute influence to principle of the present invention.
As seen, optical fiber automatic monitoring system provided by the invention and method can find in time that optical cable is unusual, and carry out the Cable's Fault location, solved shortcomings such as conventional art is poor in this field real-time, system equipment life-span weak point, cost height, more helped promoting and using.
Above-described system, method and specific embodiment; purpose of the present invention, technical scheme and beneficial effect have been done further detailed description; institute is understood that; the above is not in order to restriction the present invention; within the spirit and principles in the present invention all; any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. an optical fiber automatic monitoring system comprises the fiber cable network plane, it is characterized in that, this system also comprises: optical fiber service plane, test plane and monitoring plane, wherein,
The fiber cable network plane comprises optical cable segment, is used to optical fiber service plane and test plane that physical medium layer path is provided;
The optical fiber service plane comprises network element device, is used to produce the anomalous event relevant with the optical fiber service link of triggering system test, and anomalous event is reported the monitoring plane;
The test plane comprises that strobe unit makes up test link, is used to carry out the test of test link, and test result is reported the monitoring plane;
The monitoring plane comprises the A interface, B interface, D interface and automatic optical fiber monitoring module, be used for determining unusual optical fiber service link according to the anomalous event that the optical fiber service plane reports, and each optical cable segment on the unusual optical fiber service link route is defined as optical cable segment to be tested, determine test link to be tested by optical cable segment to be tested, and the test of test link to be tested is carried out on control test plane, obtain the Cable's Fault positioning result by test result, wherein, the A interface is used to automatic optical fiber monitoring module controls test plane that passage is provided, and reports test result that passage is provided for testing the plane to the automatic optical fiber monitoring module; B interface is used to automatic optical fiber monitoring module controls strobe unit that passage is provided; D interface is used to the optical fiber service plane to report anomalous event that passage is provided; Automatic optical fiber monitoring module stores fiber cable network flat topology information, obtain optical fiber service plane topology information by D interface, and storing fiber optic service plane topology information and all optical fiber service link route related information, be used for management of optical fibers automatic monitoring system data and automatic optical fiber monitoring logic.
2. system according to claim 1 is characterized in that, described optical fiber service plane further comprises: the webmaster that links to each other with network element device, described webmaster is used to monitor the optical fiber service link, and optical fiber service link monitoring anomalous event is reported the monitoring plane.
3. system according to claim 2 is characterized in that, described webmaster is further used for optical fiber service link monitoring anomalous event is filtered.
4. system according to claim 1, it is characterized in that, described optical fiber service plane further comprises: optical splitter and Optical Power Monitor Module, wherein, optical splitter is positioned at the network element device port, the light signal that is used for from the optical fiber service link is told a small-power light signal, and Optical Power Monitor Module is used to monitor the small-power light signal of being told, and will monitor anomalous event and report the monitoring plane.
5. system according to claim 1 is characterized in that, described test plane further comprises testing apparatus, and described testing apparatus is used for test link is tested, and test result is reported the monitoring plane.
6. system according to claim 5 is characterized in that, described A interface is used to automatic optical fiber monitoring module controls testing apparatus that passage is provided, and reports test result that passage is provided to the automatic optical fiber monitoring module for testing apparatus.
7. an automatic optical fiber monitoring method is applied to optical fiber automatic monitoring system as claimed in claim 1, it is characterized in that, this method may further comprise the steps:
A0, automatic optical fiber monitoring module stores fiber cable network flat topology information are obtained optical fiber service plane topology information by D interface, and storing fiber optic service plane topology information and all optical fiber service link route related information;
A, determine unusual optical fiber service link, and each optical cable segment on the unusual optical fiber service link route is defined as optical cable segment to be tested by the anomalous event relevant of triggering system test with the optical fiber service link;
The optical cable segment to be tested that B, basis are determined is determined test link to be tested, the link of determining to be tested is optimized selection, and the test link to be tested after the optimized choice is tested, and obtains the Cable's Fault positioning result by test result.
8. method according to claim 7 is characterized in that, the described anomalous event of steps A is the optical power monitoring anomalous event, and then described steps A is:
Determine unusual optical fiber service link by the optical power monitoring anomalous event, each the bar optical cable segment on the unusual optical fiber service link route is optical cable segment to be tested.
9. method according to claim 7 is characterized in that, the described anomalous event of steps A is the webmaster anomalous event, and then described steps A is:
Unusual network element device light mouth according to the indication of webmaster anomalous event is determined unusual optical fiber service link destination node, and determine unusual optical fiber service link by unusual optical fiber service link destination node, each the bar optical cable segment on the unusual optical fiber service link route is optical cable segment to be tested.
10. method according to claim 9 is characterized in that, also comprises before the described steps A: the network management alarm filter is set, the webmaster anomalous event is filtered.
11. method according to claim 7 is characterized in that, step B is described to determine that according to optical cable segment to be tested test link to be tested comprises:
B1, inquire about all test link link roads that comprise optical cable segment to be tested by, the test link link road that obtains according to inquiry is connected by definite test link;
B2, inquire about all and comprise the test link route that definite test link connects, determine test link to be tested according to the test link route that inquiry obtains.
12. method according to claim 11 is characterized in that, described test link to be tested is via the test link control point, and then the described test link route that obtains according to inquiry of step B2 determines that test link to be tested specifically comprises:
Determine the test link relation of continuing according to the test link route that inquiry obtains;
Determine the test link destination point according to the test link of the determining relation of continuing;
Determine test link control point port according to the test link destination point of determining;
Determine the test link control point according to the test link control point port of determining;
Issue the port switching command to the test link control point of determining, set up test link to be tested by the test link of the determining relation of continuing.
13. method according to claim 7 is characterized in that, step B is described to be determined also to comprise after the test link to be tested according to optical cable segment to be tested: in test link to be tested, select the test link combination to be tested of minimum number,
Then described test link to be tested is tested of step B is: the test link to be tested after selecting is tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100074138A CN101018089B (en) | 2006-02-10 | 2006-02-10 | Optical fiber automatic monitoring system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100074138A CN101018089B (en) | 2006-02-10 | 2006-02-10 | Optical fiber automatic monitoring system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101018089A CN101018089A (en) | 2007-08-15 |
| CN101018089B true CN101018089B (en) | 2010-08-04 |
Family
ID=38726872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100074138A Expired - Fee Related CN101018089B (en) | 2006-02-10 | 2006-02-10 | Optical fiber automatic monitoring system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101018089B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103873139A (en) * | 2012-12-18 | 2014-06-18 | 河南省电力公司郑州供电公司 | Method and system for assisting communication dispatching fault diagnosis |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101931462A (en) * | 2010-09-02 | 2010-12-29 | 中兴通讯股份有限公司 | Testing control method and device for optical transmission network |
| 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 |
| 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 |
| CN102932056B (en) * | 2012-11-12 | 2015-10-28 | 烽火通信科技股份有限公司 | The method and apparatus of a kind of sensed light signal performance and diagnosis optical fiber link failure |
| CN104467950B (en) | 2013-09-23 | 2018-06-08 | 南京中兴软件有限责任公司 | A kind of acquisition methods and device of luminous power data |
| CN105323002B (en) * | 2014-06-19 | 2018-01-12 | 国家电网公司 | Optical fiber running state analysis method |
| CN104796190A (en) | 2015-03-20 | 2015-07-22 | 武汉光迅科技股份有限公司 | Automatic discovery method and system for optical cable routers |
| CN105490742A (en) * | 2015-12-28 | 2016-04-13 | 上海电信工程有限公司 | Optical fiber link detection method, communication optical path tester and system |
| CN106998254A (en) * | 2016-01-22 | 2017-08-01 | 中国移动通信集团广东有限公司 | For the information processing method and device of EPON topology |
| CN107231187A (en) * | 2016-03-24 | 2017-10-03 | 中国移动通信集团陕西有限公司 | A kind of transmission cable fault judgment method, device and terminal |
| CN108880669A (en) * | 2018-08-08 | 2018-11-23 | 成都雄博科技发展有限公司 | Fault points of optical cables ground linear distance localization method and device |
| US11573152B2 (en) | 2019-09-25 | 2023-02-07 | Cisco Technology, Inc. | Optical time domain reflectometer (OTDR)-based classification for fiber optic cables using machine learning |
| CN111397848A (en) * | 2020-03-26 | 2020-07-10 | 吉林大学第一医院 | Medical optical fiber detection method for disinfection supply center |
| CN115119084B (en) * | 2021-03-22 | 2024-04-09 | 中国联合网络通信集团有限公司 | Management method, device, equipment and storage medium for optical cable cutting alarm |
| CN115396021B (en) * | 2022-10-28 | 2023-01-31 | 高勘(广州)技术有限公司 | Optical cable detection method, device, equipment and storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5790285A (en) * | 1996-05-21 | 1998-08-04 | Lucent Technologies Inc. | Lightwave communication monitoring system |
| CN2518262Y (en) * | 2002-01-18 | 2002-10-23 | 北京北邮电信科技股份有限公司 | Automatic monitor for optical cable |
| CN1665173A (en) * | 2004-03-03 | 2005-09-07 | 华为技术有限公司 | Optical fibre fault monitoring and positioning system for communication network and method thereof |
| CN1677072A (en) * | 2004-03-30 | 2005-10-05 | 华为技术有限公司 | Optical fiber fault automatic monitoring method |
-
2006
- 2006-02-10 CN CN2006100074138A patent/CN101018089B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5790285A (en) * | 1996-05-21 | 1998-08-04 | Lucent Technologies Inc. | Lightwave communication monitoring system |
| CN2518262Y (en) * | 2002-01-18 | 2002-10-23 | 北京北邮电信科技股份有限公司 | Automatic monitor for optical cable |
| CN1665173A (en) * | 2004-03-03 | 2005-09-07 | 华为技术有限公司 | Optical fibre fault monitoring and positioning system for communication network and method thereof |
| CN1677072A (en) * | 2004-03-30 | 2005-10-05 | 华为技术有限公司 | Optical fiber fault automatic monitoring method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103873139A (en) * | 2012-12-18 | 2014-06-18 | 河南省电力公司郑州供电公司 | Method and system for assisting communication dispatching fault diagnosis |
| CN103873139B (en) * | 2012-12-18 | 2017-04-26 | 国网河南省电力公司郑州供电公司 | Method for assisting communication dispatching fault diagnosis |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101018089A (en) | 2007-08-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101018089B (en) | Optical fiber automatic monitoring system and method | |
| US6005696A (en) | Backhauling test procedures for communications networks | |
| US8165466B2 (en) | Network operating system with topology autodiscovery | |
| US5680326A (en) | System and method therefor of estimating optimal spare capacity for a distributed restoration scheme | |
| US6075766A (en) | Method and apparatus for identifying restoral routes in a network | |
| US20050089027A1 (en) | Intelligent optical data switching system | |
| US8897641B2 (en) | Reachability matrices spanning multiple domains in an optical network | |
| CN100531050C (en) | Adaptive optical transmission network connecting performance optimization method and equipment | |
| CN101252393A (en) | Optic cable automatic monitoring system with optical fiber automatic switch unit | |
| US20020036988A1 (en) | Method for designing rings in telecommunications network | |
| CN101083564A (en) | Method for updating automatically optical network unit and optical line terminal | |
| US7729287B2 (en) | Methods of providing simulation for communications systems and related systems and computer program products | |
| CN107181627B (en) | Communication network light path scheduling method and device | |
| US8488471B2 (en) | Intelligent network planning and provisioning tool | |
| US7522539B2 (en) | Network management system and transmission apparatus managed by the network management system | |
| CN1996874A (en) | A device and method for upgrade to automatic switching optical network device | |
| CN101873221A (en) | Management method and system of optical network unit | |
| Alanqar et al. | Extending end-to-end optical service provisioning and restoration in carrier networks: opportunities, issues, and challenges | |
| CN103618974A (en) | Optical network expanding method | |
| US7680033B1 (en) | Network manager circuit rediscovery and repair | |
| CN101247664A (en) | System and method for implementing terminal-to-terminal call connection between optical networks | |
| Dixit et al. | Trade-off between end-to-end reliable and cost-effective TDMA/WDM Passive Optical Networks | |
| CN101635666B (en) | Method and device for communication between optical line terminal and optical network unit of GPON system | |
| Cisco | Chapter 4, Turn-Up and Test | |
| Cisco | Chapter 4, Turn-Up and Test |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100804 Termination date: 20160210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |