CN106130627B - Optical access network faulty section makes a decision a method and system - Google Patents
Optical access network faulty section makes a decision a method and system Download PDFInfo
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- CN106130627B CN106130627B CN201610642220.3A CN201610642220A CN106130627B CN 106130627 B CN106130627 B CN 106130627B CN 201610642220 A CN201610642220 A CN 201610642220A CN 106130627 B CN106130627 B CN 106130627B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
- H04B10/0771—Fault location on the transmission path
Abstract
It makes a decision a method and system the present invention relates to a kind of optical access network faulty section.The method includes the steps：Obtain network element alarming；If getting ONU power fail warnings, the device resource of alarm ONU is obtained, detects whether alarm ONU is MDU according to the device resource, if so, determining that the MDU is power down failure；If get PON mouthfuls receive No Light Alarms, ONU alert offline, any one or a few in the alarm of ONU light-pathes poor signal quality and the alarm of ONU webmasters off-grid, obtain effective ONU, whether it is power down failure according to the condition adjudgement of effective ONU and determines preliminary failure paragraph, final failure paragraph is determined according to the judging result of power down failure and preliminary failure paragraph.The present invention can accurately monitor the failure of the passive facility of optical access network, be truly realized optical access network failure and be accurately positioned end to end, effectively expand the coverage that preliminary examination is repaiied in advance.
Description
Technical field
The present invention relates to fields of communication technology, fall localization method more particularly to a kind of optical access network faulty section and light connects
Networking faulty section falls alignment system.
Background technology
With the arrival of Internet era, profound change all has occurred in user's communication requirement and industry development, to traditional electricity
Letter industry operation brings great challenge.Traditional copper wire broadband network is limited to the deficiency of the network equipment and information system ability, difficult
Include user modem (modem) and the monitoring covering of circuit total quality to realize, troubleshooting is even more passively to tackle
Client Shen is accused based on maintenance, and means are single and inefficient.Towards the broadband product in optical internet epoch, user and network, fortune
Battalion's maintenance system will not only adapt to broadband network to be changed from " copper " to the access way of " light ", but also it is big more to focus on internet
Under its development, user, which perceives, promotes the demand of business end-to-end quality guarantee.
Based on the pipe of optical access network network element, pass through the real-time discovering device event of network element alarming associated NE information
Barrier, for example, OLT (optical line terminal, optical line terminal) off-grid, PON (Passive Optical Network,
Passive optical-fiber network) mouth receives the network element level failures such as unglazed, ONU (Optical Network Unit, optical network unit) is offline, it pushes away
Into network Breakdown Maintenance from the passive maintenance pattern by subscriber complaint, the pre- of active maintenance is realized to by system discovery failure
The transformation of the pre- formula that repairs a die of inspection can perceive failure so as to reduce user, improve user and perceive.
The overlayable scope of optical access network failure monitoring is only limited to active equipment (such as OLT, ONU) at present.For ODN
The failure of the network of (Optical Distribution Network, Optical Distribution Network) passive device and circuit composition, still
Lack effective means and realize analysis and positioning.And due to lacking the effective monitoring to passive facility, on the one hand, affect light and connect
The larger range of popularization that networking fault pretest is repaiied in advance constrains the internet transition of network operation；On the other hand, in circuit event
The barrier of looking into of barrier repairing needs maintenance personnel to be tested and analyzed one by one between numerous jumper connection points in the process, this will be consumed largely
Human cost and time cost.
The content of the invention
Based on this, it is necessary to make a decision a method and system, realize in view of the above-mentioned problems, providing a kind of optical access network faulty section
To the failure monitoring of the passive facility of optical access network.
In order to achieve the above object, the technical solution that the present invention takes is as follows：
A kind of optical access network faulty section falls localization method, including step：
Network element alarming is obtained, the network element alarming includes ONU power fail warnings, PON mouthful receipts No Light Alarms, ONU are alerted offline,
ONU light-pathes poor signal quality alerts any one or a few in being alerted with ONU webmasters off-grid；
If getting ONU power fail warnings, the device resource of alarm ONU is obtained, alarm ONU is detected according to the device resource
Whether it is MDU, if so, determining that the MDU is power down failure；
If getting PON mouthfuls of receipts No Light Alarms, the effective ONU of the PON mouthfuls of second lines of a couplet of alarm is obtained, according to effective ONU's
Whether condition adjudgement is power down failure and determines preliminary failure paragraph, according to the judging result of power down failure and preliminary failure
Paragraph determines final failure paragraph；
If it gets ONU alert offline, is in the alarm of ONU light-pathes poor signal quality and the alarm of ONU webmasters off-grid arbitrary
One or more, obtain alarm ONU where the PON mouthfuls of second lines of a couplet effective ONU, according to the condition adjudgement of effective ONU whether be
Power down failure and definite preliminary failure paragraph determine final event according to the judging result of power down failure and preliminary failure paragraph
Hinder paragraph.
A kind of optical access network faulty section falls alignment system, including：
Network element alarming acquisition module, for obtaining network element alarming, the network element alarming includes ONU power fail warnings, PON mouthfuls of receipts
No Light Alarm, ONU are alerted offline, ONU light-pathes poor signal quality alarm and ONU webmasters off-grid alarm in any one or it is several
Kind；
ONU power fail warning failure analysis modules, for when getting ONU power fail warnings, obtaining the equipment money of alarm ONU
Source detects whether alarm ONU is MDU according to the device resource, if so, determining that the MDU is power down failure；
PON mouthfuls of receipts No Light Alarm failure analysis modules, for when getting PON mouthfuls of receipts No Light Alarms, obtaining alarm PON
Whether the effective ONU of mouthful second line of a couplet be power down failure according to the condition adjudgement of effective ONU and determine preliminary failure paragraph,
Final failure paragraph is determined according to the judging result of power down failure and preliminary failure paragraph；
ONU Analysis of Network Malfunction modules, for get ONU alert offline, ONU light-pathes poor signal quality alarm and
ONU webmasters off-grid alarm in any one or a few when, obtain alarm ONU where the PON mouthfuls of second lines of a couplet effective ONU, according to
Whether the condition adjudgement of effective ONU is power down failure and determines preliminary failure paragraph, according to the judging result of power down failure
And preliminary failure paragraph determines final failure paragraph.
Optical access network faulty section of the present invention makes a decision a method and system, by network element alarming associate device resource, for obtaining
The different network element alarmings got carry out different accident analyses, and the failure of the passive facility of optical access network accurately can be monitored,
The accurate positionin of optical access network failure end-to-end (including active facility and passive facility) is truly realized, effectively expands preliminary examination
The coverage repaiied in advance.
Description of the drawings
Fig. 1 is the structure diagram of secondary light-splitting network specific embodiment；
Fig. 2 is that optical access network faulty section of the present invention makes a decision the flow diagram of an embodiment of the method；
Fig. 3 is the flow diagram of MDU power down accident analysis of the present invention；
Fig. 4 is the flow diagram of PON alarm failures of the present invention analysis；
Fig. 5 is alerted offline for ONU of the present invention, the alarm of ONU light-pathes poor signal quality and ONU webmaster off-grids alarm failure divide
The flow diagram of analysis；
Fig. 6 is the flow diagram of skin fibre breakdown judge of the present invention；
Fig. 7 is the flow diagram that MDU fiber cut failures of the present invention judge；
Fig. 8 is the flow diagram of black and white lists of the present invention analysis；
Fig. 9 is the failure interface schematic diagram that main optical path of the present invention breaks；
Figure 10 is the failure interface schematic diagram that branch's light path of the present invention is broken；
Figure 11 is the fine disconnected failure interface schematic diagram of skin of the present invention；
Figure 12 be MDU of the present invention break fibre failure interface schematic diagram；
Figure 13 is the failure interface schematic diagram of MDU power down of the present invention.
Specific embodiment
Under Internet era background, the operation of light broad network should place customer service usage experience above the other things, pay close attention to business
Fault detect is extended to soft exchange circuit and optical terminus (passive facility and active facility) by bearer network end-to-end quality.PON
Network beam-splitting structure and E8-C optical terminus pipes, then be accurately positioned for optical access network failure and provide feasible scheme.Below
Optical access network communication association principle is simply introduced.
Optical access network is beam-splitting structure, if first line of a couplet light path or first line of a couplet facility break down, all network elements of lower band will be logical
Letter interrupts.As shown in Figure 1, it is secondary light-splitting network.One level-one optical splitter OBD (Optical of some PON mouthfuls of lower band in OLT
Branching device, optical branching device) under the secondary light-splitting of 1, OBD1 lower bands two device OBD2 and OBD3, secondary light-splitting device OBD2
Two optical network unit ONUs 1 of band and ONU2, three optical network unit ONUs 3 of secondary light-splitting device OBD3 lower bands, ONU4 and ONU5.Such as
The PON mouths of fruit OLT to the light path between OBD1 breaks down, then all ONU of OBD1 lower bands can communication disruption；If OBD1
It breaks down to the light path between OBD2, the ONU1 and ONU2 of OBD2 lower bands can communication disruptions；Similarly, if OBD1 to OBD3
Between light path break down, ONU3, ONU4 and ONU5 of OBD3 lower bands can communication disruptions.
Optical access network webmaster can check that network element signal intelligence generates network element alarming, in Fig. 1, the failure of OLT and ONU,
Webmaster can detect abnormality and generate and accordingly alert in real time, for all points between passive facility OLT and ONU
Light device and light path, at present webmaster cannot monitor, the failure paragraph of passive facility can not be navigated to.And scheme provided by the invention can
To be accurately positioned the failure paragraph of passive facility, realize that optical access network failure is accurately positioned end to end.
It is below in conjunction with the accompanying drawings and preferably real further to illustrate the effect of the technological means of the invention taken and acquirement
Example is applied, to technical scheme, carries out clear and complete description.
As shown in Fig. 2, a kind of optical access network faulty section falls localization method, including step：
S110, network element alarming is obtained, the network element alarming is offline including ONU power fail warnings, PON mouthfuls of receipts No Light Alarms, ONU
Alarm, ONU light-pathes poor signal quality alarm and ONU webmasters off-grid alarm in any one or a few；
If S120, getting ONU power fail warnings, the device resource of alarm ONU is obtained, is detected and accused according to the device resource
Whether alert ONU is MDU, if so, determining that the MDU is power down failure；
If S130, getting PON mouthfuls of receipts No Light Alarms, the effective ONU of the PON mouthfuls of second lines of a couplet of alarm is obtained, according to effective
Whether the condition adjudgement of ONU is power down failure and determines preliminary failure paragraph, according to the judging result of power down failure and just
Step failure paragraph determines final failure paragraph；
If S140, get ONU alert offline, ONU light-pathes poor signal quality alarm and ONU webmasters off-grid alarm in
Any one or a few, the effective ONU of the PON mouthfuls of second lines of a couplet, the condition adjudgement according to effective ONU are where obtaining alarm ONU
It is no to be power down failure and determine preliminary failure paragraph, it is determined most according to the judging result of power down failure and preliminary failure paragraph
Whole failure paragraph.
Equipment in network element, that is, network, network element alarming includes ONU power fail warnings, PON mouthfuls of receipts No Light Alarms, ONU are accused offline
In alert, ONU light-pathes poor signal quality alarm and the alarm of ONU webmasters off-grid etc..When receiving substantial amounts of alarm, in order to true
Protect alarm compression reliability, improve the efficiency of fault diagnosis, it is necessary to all kinds of fault diagnosis queues according to priority sequentially into
Row analysis, concrete reason are as follows：
Network element alarming a is alerted as entrance and is carried out failure A diagnosis, is the discovery that in the analysis process by other failures B (entrances
Alerting what is be derived for network element alarming b), then network element alarming a should be compressed to B failures, and on ANISS failures interface
It is recorded under B failures (deployable).If A failures are first diagnosed compared with B failures, network element alarming a can not be compressed under B failures,
A failures is accuse by mistake at this time, to ensure that B failure ratio A failures are first completed to diagnose, therefore in troubleshooting queue, B type fault queues
Priority should be higher than that type-A failed Queue priority, with the upper priority processing of time as far as possible.
So in one embodiment, further included after the step of obtaining network element alarming：Include in the network element alarming more
During a alarm, alarm is analyzed successively according to default priority orders, default priority orders are：ONU power down is accused
Alert highest priority, the priority of PON mouthfuls of receipts No Light Alarms is medium, and ONU is alerted offline, ONU light-pathes poor signal quality is accused
The priority of alert and ONU webmasters off-grid alarm is minimum.For example, receive simultaneously ONU power fail warnings, PON mouthfuls receive No Light Alarms and
ONU is alerted offline, then first carries out accident analysis to ONU power fail warnings, and then receiving No Light Alarm to PON mouthfuls carries out accident analysis,
Finally alert carry out accident analysis offline to ONU.And PON mouthfuls are received with No Light Alarm accident analysis or the analysis of ONU classes alarm failure
When can further relate to the judgement of skin fibre failure, skin fibre breakdown judge can further relate to MDU and break fine judgement.
Specifically, time of all kinds of failed Queues and the priority of corresponding entrance alarm that the present invention defines from high to low
Sequence is as follows：
MDU 1. (Multiple Dwelling Unit, multiuser residential unit) power down：FTTB(Fiber to The
Building, fiber to the floor) type ONU power fail warnings【Note：FTTH (Fiber To The Home,
Telecommunication optical fiber is to family) power fail warning directly abandon, either have a power failure or user close terminal because
Not telecommunication bureau side's failure】；
2. main optical path breaks：PON mouthfuls of receipts No Light Alarms, and the alarm is (such as 15 points before diagnosis starts in preset time
In clock) generate, otherwise abandon；
3. branch's light path is broken：(such as in 15 minutes) unrecovered ONU is alerted offline in preset time, ONU light-pathes are believed
Alarm number of poor quality and the alarm of ONU webmasters off-grid；
4. skin fibre failure：Alarm is from the fault diagnosis flow scheme that main optical path breaks, branch's light path is broken；
The fibre 5. MDU breaks：Alarm is from the diagnostic process of skin fibre failure.
It should be noted that the order of all kinds of failed Queues defined above and the priority of corresponding entrance alarm is fitted
For same local network.
Since accident analysis is triggered by network element alarming (PON mouthfuls of receipts are unglazed, ONU is offline, ONU off-grids etc.),
In order to avoid failure wrong diagnosis caused by some mistake alarms, moment alarm or associated alarm is, it is necessary to recognize effective ONU
It is fixed, so as to carry out accident analysis according to effective ONU, ensure that faulty section makes a decision the accuracy of position.So in one embodiment
In, effective ONU meets the following conditions：It can be inquired by OLT, i.e. system can lead to OLT and inquire the ONU；State is
Online, i.e. current state has offline or power down record, example for online ONU or in the preset range of alarm time of origin
Such as on accident analysis time point, before and after time of origin is alerted in 10 minutes, which has offline or power down record.If
Meet above-mentioned two condition, then assert ONU for effective ONU, include in this accident analysis judgement, otherwise do not consider.It needs
It is noted that other conditions for assert effective ONU can also be set as needed in user, the present invention does rising limit not to this
It is fixed.
The reason for breaking down in view of optical access network has optical cable to break and have a power failure, in order to exclude power-off fault cause it is unnecessary
Manpower waste, needed when carrying out fault location consideration power failure factor.Since current part ONU cannot report power fail warning,
So invention also defines having a power failure to associate effect doctrine, it is specially：
1. PON mouthfuls are received in No Light Alarm triggering main optical path fault diagnosis flow scheme, all effective ONU meet under PON mouthfuls same
Offline condition simultaneously, and there is at least one ONU to report power fail warning, then it is assumed that all offline reasons of ONU are fallen under the PON mouthfuls
Electricity；
2. ONU is alerted offline, ONU light-pathes poor signal quality alerts and the event of ONU webmaster off-grid alarm triggered branch's light paths
Hinder in diagnostic process, all effective ONU meet while offline condition under same OBD, and have at least one ONU that power down is reported to accuse
It is alert, then it is assumed that all offline reasons of ONU are power down under the OBD.
Therefore, in one embodiment, if getting PON mouthfuls of receipts No Light Alarms, the condition adjudgement according to effective ONU is
It is no to include for the step of power down failure：If all effective ONU meet while offline condition under PON mouthfuls of alarm, and have at least one
A effective ONU reports power fail warning, then it is assumed that all effective offline reasons of ONU are power down under PON mouthfuls of the alarm；
And/or it alerts offline if getting ONU, is in the alarm of ONU light-pathes poor signal quality and the alarm of ONU webmasters off-grid any one
Kind or it is several, the step of according to the condition adjudgement of effective ONU whether being power down failure, includes：If institute under OBD where alerting ONU
There is effective ONU to meet while offline condition, and there is at least one effective ONU to report power fail warning, then it is assumed that under the OBD
All offline reasons of effective ONU are power down.
Failure caused by order to effectively determine whether power down, the present invention are also provided with ONU black and white lists identifications, use black and white
List distinguishes whether the ONU possesses the ability for reporting power down, is defined as follows：
1. ONU white lists：As long as there is the ONU of power failure alarm reporting whithin a period of time；
2. ONU blacklists：Under PON mouthfuls same or under same OBD, simultaneously (or approximation is simultaneously：It is offline earliest and most
The offline time difference was set in the time afterwards, such as in 10 seconds) it is to fall if there is state offline or in multiple ONU of power down
The ONU of electricity, then other states are that the ONU of LOS is denoted as blacklist.
According to optical access network communication association principle, whether normal to ONU communications deduce and derive first line of a couplet light path or divide
Light device whether there is failure, and show in particular following passive facility (light path and optical splitter) accident analysis location algorithm：
1. some PON mouthfuls under same OLT, the equal communication disruptions of all ONU of the second line of a couplet are diagnosed as main optical path upwards nearby
It is disconnected, i.e., the light path failure between the PON of OLT mouths to level-one optical splitter；
2. under same OBD, all equal communication disruptions of ONU, but can communicate with there are ONU under PON mouthfuls, illustrate main optical path
It is normal, then it is diagnosed as branch's light path upwards nearby and breaks, i.e. light path failure between level-one OBD to two level OBD；
3. under same OBD, have and only there are one ONU communication disruptions, be diagnosed as skin fibre failure downwards nearby, i.e. final stage is divided
Device is to the light path failure between the ONU.
So in one embodiment, the step of whether preliminary failure paragraph is normally determined according to the communication of effective ONU
Including：If all equal communication disruptions of effective ONU of some PON mouthfuls of second line of a couplet under same OLT, the PON mouthfuls of OLT is generated
Break failure to the main optical path between level-one optical splitter；If all equal communication disruptions of effective ONU under same OBD, but with institute
The lower ONU that there is communication of same PON mouthfuls of OBD are stated, then generates branch's light path between the OBD to upper level OBD and breaks failure；If
Have under same OBD and only there are one effective ONU communication disruptions, then generate the skin fibre failure between the OBD to the ONU.
It should be noted that after assert effective ONU, when carrying out accident analysis according to effective ONU, if be power down
The analysis of caused failure and light path whether there is the analysis of failure there is no sequencing, and user can first judge event occur
The light path of barrier, then checks whether the failure has power down to cause, if power down causes, above the result of breakdown judge give up,
If not failure caused by power down, then assert that the light path of corresponding position is broken；User can also first failure judgement whether by power down
Cause, if not failure caused by power down, then carry out light path and break the positioning of failure.
After row positioning is dropped into faulty section, technical staff can drop into capable reparation to corresponding faulty section, make communication extensive
It is multiple normal.Fault recovery is assert in the case of following two kinds general：
1. receiving the communication recovery information for the ONU that the fault object of the diagnosis of webmaster transmission influences, then correspondence is diagnosed to be
Fault recovery.
2. timing direct-connected device carries out taking turn, there is the ONU online when being diagnosed to be under fault object, then to determine that failure is extensive
It is multiple.
Process for a better understanding of the present invention, below in conjunction with the accompanying drawings and specific embodiment describes in detail.Under
In the attached drawing of face * 1 for asynchronous process flow (serious hindrance information processing associates impacted business information and is judged, if
It is that serious failure then identifies catastrophe failure at failure), * 2 be that (black and white lists background maintenance, that is, update asynchronous process flow
Black and white lists), * 3 be that (doubtful light path faulty tag, that is, the ONU that the failure generated is related to is not in white name for asynchronous process flow
In list, it is impossible to which the reason for clearly determining to cause communication disruption is light path failure or power down failure, then sticks doubtful light path failure
Label).It is the program queue for carrying out alarm failure analysis to alert entrance.
As shown in figure 3, for the flow diagram of MDU power down accident analyses, comprise the following steps：
Whether can associate device resource, device resource, that is, network topology, status information of equipment etc., can basis
The resource information stored in the prior art obtains；
If can associate, whether detection ONU is MDU, and otherwise Discard alarm, is not handled；
When the ONU is MDU, detects and whether there is unrecovered MDU power down failure under the MDU first line of a couplet OBD,
When ONU is not MDU, Discard alarm is not handled；
If in the presence of, ONU power fail warnings are compressed to existing MDU power down failure, otherwise determine the MDU as power down therefore
Barrier.
As shown in figure 4, for the flow diagram of PON alarm failures analysis, comprise the following steps：
The state of the ONU of the PON mouthfuls of second lines of a couplet of query warning；
If inquiry is unsuccessful, PON mouthfuls of generation is without receipts light failure；
If successful inquiring, whether the quantity that detection state is online ONU is 0；
If the quantity of online ONU is 0, obtain in the first preset range of PON mouthfuls of receipts No Light Alarm time of origins simultaneously
The first not online ONU lists；
Whether the quantity for detecting the ONU that state is POWER OFF in the first ONU lists is 0；
If the quantity of the ONU of POWER OFF is 0, obtain in PON mouthfuls of the second preset ranges for receiving No Light Alarm time of origin
The 2nd ONU lists of LOS simultaneously；
The quantity for the ONU that state is LOS is obtained according to the 2nd ONU lists；
If the quantity for the ONU that state is LOS is 1, skin fibre breakdown judge is carried out, final failure is determined according to the result of judgement
Paragraph；
If the quantity that state is the ONU of LOS is more than 1, ONU has been detected whether in white list, the ONU in white list refers to
The ONU of power down ability can be reported；
If without ONU in white list, whether detection ONU is whether the quantity of FTTH types and ONU is less than the first setting
Value；
If ONU is for FTTH types, either if the quantity of ONU is more than or equal to and the first setting value or has ONU in white list
It is interior, detect whether all ONU under same two level OBD；
If all ONU under same two level OBD, generate branch light path failure, otherwise generate main optical path and break failure.
In order to improve the efficiency of accident analysis, in one embodiment, if as shown in figure 4, getting PON mouthfuls receives unglazed announcement
It is alert, before the state of the ONU of the PON mouthfuls of second lines of a couplet of query warning, further include step：The use of the detection alarm associated OLT devices of PON
State；If use state is normal use or does not check and accept, whether PON mouthfuls of detection alarm has unrecovered failure, if so, will
No Light Alarms are received for PON mouthfuls to be integrated into generated PON failures, otherwise into the query warning PON mouthfuls of second lines of a couplet ONU state
Step.
As shown in figure 5, it is alerted offline for ONU, ONU light-pathes poor signal quality alerts and ONU webmaster off-grid alarm failures
The flow diagram of embodiment is analyzed, is comprised the following steps：
The state and Offtime of the ONU of the PON mouthfuls of second lines of a couplet where query warning ONU；
Whether the state that alarm ONU is determined according to the state of the ONU of inquiry and Offtime is LOS；
If alerting the state of ONU as LOS, whether the quantity for the effective ONU that detection state is POWER OFF is 0；
If the ONU quantity of POWER OFF is not 0, skin fibre breakdown judge is carried out, final failure is determined according to the result of judgement
Paragraph；
If the ONU quantity of POWER OFF is 0, detect whether the quantity that same PON mouthfuls lower state is online ONU is 0；
If the quantity of online ONU is 0, whether the quantity for the effective ONU that detection state is LOS is more than 1；
If the quantity of the ONU of LOS is not more than 1, skin fibre breakdown judge is carried out, final faulty section is determined according to the result of judgement
Fall；
If the quantity of the ONU of LOS is more than 1, detect whether effective ONU of all states for LOS same two
Under grade OBD；
If the ONU of LOS under same two level OBD, has detected whether ONU in white list, if having ONU in white list
Interior, generation branch light path is broken failure, if without ONU in white list, whether detection ONU is that the quantity of FTTH types and ONU is
It is no to be less than the second setting value, if ONU is not more than or equal to the second setting value, generation branch light for FTTH types or the quantity of ONU
Road is broken failure；
If the ONU unevenness of LOS has detected whether ONU in white list under same two level OBD, if having ONU in white name
In list, generation main optical path breaks failure, if without ONU in white list, whether detection ONU is that the quantity of FTTH types and ONU is
It is no to be less than the 3rd setting value, if ONU is not more than or equal to the 3rd setting value for FTTH types or the quantity of ONU, generate main optical path
Disconnected failure；
If the quantity of online ONU is not 0, whether ONU is under two level OBD for detection alarm；
If alerting ONU not under two level OBD, skin fibre breakdown judge is carried out, final faulty section is determined according to the result of judgement
Fall；
If alerting ONU under two level OBD, the effective ONU under two level OBD where obtaining alarm ONU；
It detects whether stateful for online effective ONU under two level OBD；
If stateful is online effective ONU, skin fibre breakdown judge is carried out, final faulty section is determined according to the result of judgement
Fall；
If being online effective ONU without state, whether the quantity for the effective ONU that detection state is LOS is more than 1, if
The quantity of the ONU of LOS is more than 1, has detected whether ONU in white list, if having ONU in white list, generation branch light path is broken
Failure, if without ONU in white list, whether detection ONU is whether the quantity of FTTH types and ONU is less than the second setting value,
If ONU is not more than or equal to the second setting value for the quantity of FTTH types or ONU, generation branch light path is broken failure.
In order to improve the efficiency of accident analysis, in one embodiment, if as shown in figure 5, get ONU alert offline,
ONU light-pathes poor signal quality alerts any one or a few in being alerted with ONU webmasters off-grid, PON where query warning ONU
Before the state and Offtime of the ONU of the mouth second line of a couplet, step is further included：It detects correlated resources and whether there is alarm ONU；If it deposits
The OBD information for alerting the ONU first line of a couplet is being obtained according to correlated resources；The light path according to where the OBD infomation detections of acquisition alert ONU
With the presence or absence of unrecovered light path failure, if in the presence of alarm being converged under the light path failure, otherwise into query warning ONU
The step of state and Offtime of the ONU of the place PON mouthfuls of second line of a couplet.
As shown in fig. 6, it is the flow diagram of skin fibre breakdown judge, including step：
Obtain corresponding ONU resources；
Determine whether ONU has generated skin fibre failure or MDU fiber cut failures according to the ONU resources, if so, alarm is compressed
Into existing failure, whether the type for otherwise detecting ONU is FTTB；
If the type of ONU is FTTB, MDU fiber cut failure judgements are carried out, final failure paragraph is determined according to the result of judgement；
If the type of ONU is not FTTB, whether detection ONU be stateful under PON mouthfuls of white list and ONU places
For effective ONU of POWER OFF；
If ONU is the ONU of no POWER OFF under white list and PON mouthfuls, skin fibre failure is generated.
As shown in fig. 7, it is the flow diagram that MDU fiber cut failures judge, including step：
Whether has fiber cut failure under PON mouthfuls of detection；
If having fiber cut failure, MDU fiber cut failures alarm being merged under the PON mouthfuls；
If without fiber cut failure, the effective ONU under PON mouthfuls is obtained；
Whether the quantity that detection state is effective ONU of POWER OFF is more than 0；
If the quantity of the ONU of POWER OFF is not more than 0, MDU fiber cut failures are generated；
Whether if the quantity of the ONU of POWER OFF is more than 0, detecting under the PON mouthfuls has unrecovered MDU power down failure；
If there is unrecovered MDU power down failure, alarm is compressed to existing MDU power down failure；
If without unrecovered MDU power down failure, MDU power down failures are generated.
As shown in figure 8, to carry out the flow diagram of black and white lists analysis, comprise the following steps respectively：
If getting ONU power fail warnings, alarm ONU is identified as white list, ONU status informations is then updated and adds up
ONU state conversion frequencies；
And/or
If getting PON mouthfuls of receipts No Light Alarms, if the quantity of online effective ONU is not 0, ONU status informations are updated
And cumulative ONU state conversion frequencies；If the quantity of effective ONU of the quantity of the effective ONU of POWER OFF more than 0 and LOS
More than 0, the effective ONU of POWER OFF is arranged to white list, the effective ONU of LOS is arranged to blacklist, Ran Hougeng
New ONU status informations and cumulative ONU state conversion frequencies；If the quantity of the effective ONU of POWER OFF is no more than 0 or LOS's
The quantity of effective ONU updates ONU status informations and cumulative ONU state conversion frequencies no more than 0；Blacklist is on not possessing
Report the ONU of power fail warning function；
And/or
If it gets ONU alert offline, is in the alarm of ONU light-pathes poor signal quality and the alarm of ONU webmasters off-grid arbitrary
One or more, the ONU of the PON mouthfuls of second lines of a couplet where query warning ONU；Detecting the quantity that the PON mouthfuls of lower state is online ONU is
No is 0, if so, obtaining the effective ONU under alarm ONU first line of a couplet OBD, otherwise updates ONU status informations and cumulative ONU states turn
Change number；Detect whether the quantity that state is online ONU in the effective ONU under OBD is 0, if so, detection state is
Whether the quantity for the ONU that whether the ONU quantity of POWER OFF is more than 0 and state is LOS is more than 0, otherwise updates ONU states letter
It ceases and the ONU state conversion frequencies that add up；It, will if the quantity of ONU of the quantity of the ONU of POWER OFF more than 0 and LOS is more than 0
The ONU of POWER OFF is arranged to white list, and the ONU of LOS is arranged to blacklist, then updates ONU status informations and adds up
ONU state conversion frequencies；If the quantity of ONU of the quantity of the ONU of POWER OFF no more than 0 or LOS updates ONU no more than 0
Status information and cumulative ONU state conversion frequencies.
In addition, as shown in figure 8, the present invention can also realize the timing update of black and white lists.
Specific faulty section is oriented according to the present invention to fall behind, it can also be in malfunction coefficient interface by specific failure paragraph
It is shown with corresponding light path coding, while the different conditions of ONU mark out to come with different colors.Based on as shown in figure 9,
The failure interface schematic diagram that light path is broken, in the position mark corresponding optical path coding that main optical path breaks.As shown in Figure 10, it is branch's light path
Disconnected failure interface schematic diagram, in the position mark corresponding optical path coding that branch's light path is broken.As shown in figure 11, it is the fine disconnected event of skin
Hinder interface schematic diagram, in the corresponding light path coding of position mark that light path is broken.As shown in figure 12, break for MDU fine failure interface
Schematic diagram, in the corresponding light path coding of position mark that light path is broken.As shown in figure 13, it is the failure interface schematic diagram of MDU power down,
Only need the MDU with different colour codes, such as grey.According to malfunction coefficient interface, user can be according to the event of display
Barrier paragraph and corresponding light path coding are quickly found out abort situation, and abort situation is quickly repaired, ensures optical access network
Normal operation.
Based on same inventive concept, the present invention also provides a kind of optical access network faulty sections to fall alignment system, which includes：
Network element alarming acquisition module, for obtaining network element alarming, the network element alarming includes ONU power fail warnings, PON mouthfuls of receipts
No Light Alarm, ONU are alerted offline, ONU light-pathes poor signal quality alarm and ONU webmasters off-grid alarm in any one or it is several
Kind；
ONU power fail warning failure analysis modules, for when getting ONU power fail warnings, obtaining the equipment money of alarm ONU
Source detects whether alarm ONU is MDU according to the device resource, if so, determining that the MDU is power down failure；
PON mouthfuls of receipts No Light Alarm failure analysis modules, for when getting PON mouthfuls of receipts No Light Alarms, obtaining alarm PON
Whether the effective ONU of mouthful second line of a couplet be power down failure according to the condition adjudgement of effective ONU and determine preliminary failure paragraph,
Final failure paragraph is determined according to the judging result of power down failure and preliminary failure paragraph；
ONU Analysis of Network Malfunction modules, for get ONU alert offline, ONU light-pathes poor signal quality alarm and
ONU webmasters off-grid alarm in any one or a few when, obtain alarm ONU where the PON mouthfuls of second lines of a couplet effective ONU, according to
Whether the condition adjudgement of effective ONU is power down failure and determines preliminary failure paragraph, according to the judging result of power down failure
And preliminary failure paragraph determines final failure paragraph.
Other technical characteristics of present system are identical with the method for the present invention, and it will not be described here.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and description is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that come for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of optical access network faulty section falls localization method, which is characterized in that including step：
Network element alarming is obtained, the network element alarming includes ONU power fail warnings, PON mouthful receipts No Light Alarms, ONU are alerted offline, ONU
Light-path poor signal quality alerts any one or a few in being alerted with ONU webmasters off-grid；
If getting ONU power fail warnings, the device resource of alarm ONU is obtained, whether alarm ONU is detected according to the device resource
For MDU, if so, determining that the MDU is power down failure；
If getting PON mouthfuls of receipts No Light Alarms, the effective ONU of the PON mouthfuls of second lines of a couplet of alarm is obtained, according to the state of effective ONU
Determine whether power down failure and determine preliminary failure paragraph, according to the judging result of power down failure and preliminary failure paragraph
Determine final failure paragraph；The effective ONU meets the following conditions：It can be inquired by OLT；State is online or is accusing
There is offline or power down record in the preset range of alert time of origin；
If get ONU alert offline, ONU light-pathes poor signal quality alarm and ONU webmasters off-grid alarm in any one
Or it is several, whether the effective ONU of the PON mouthfuls of second lines of a couplet, be power down according to the condition adjudgement of effective ONU where obtaining alarm ONU
Failure and definite preliminary failure paragraph, final faulty section is determined according to the judging result of power down failure and preliminary failure paragraph
Fall.
2. optical access network faulty section according to claim 1 falls localization method, which is characterized in that obtains the step of network element alarming
It is further included after rapid：When the network element alarming includes multiple alarms, alarm is carried out successively according to default priority orders
Analysis, default priority orders are：The highest priority of ONU power fail warnings, the priority of PON mouthfuls of receipts No Light Alarms is medium,
ONU is alerted offline, ONU light-pathes poor signal quality alerts and the priority of ONU webmasters off-grid alarm is minimum.
3. optical access network faulty section according to claim 1 or 2 falls localization method, which is characterized in that
Wherein,
If the step of getting PON mouthfuls of receipts No Light Alarms, according to the condition adjudgement of effective ONU whether being power down failure includes：
If all effective ONU meet while offline condition under PON mouthfuls of alarm, and have at least one effective ONU to report power fail warning,
Then think that all effective offline reasons of ONU are power down under PON mouthfuls of the alarm；
And/or
If get ONU alert offline, ONU light-pathes poor signal quality alarm and ONU webmasters off-grid alarm in any one
Or it is several, the step of according to the condition adjudgement of effective ONU whether being power down failure, includes：If own under OBD where alerting ONU
Effective ONU meets while offline condition, and has at least one effective ONU to report power fail warning, then it is assumed that institute under the OBD
The effective offline reasons of ONU are power down；
Wherein,
The step of determining preliminary failure paragraph according to the state of effective ONU includes：If some PON mouthfuls of second line of a couplet under same OLT
All equal communication disruptions of effective ONU, then generate the PON mouthfuls of OLT and break failure to the main optical path between level-one optical splitter；
If all equal communication disruptions of effective ONU under same OBD, but the ONU to communicate with same PON mouthfuls time presence of the OBD, then
Branch's light path between the OBD to upper level OBD is generated to break failure；If have under same OBD and only lead to there are one effective ONU
Letter interrupts, then generates the skin fibre failure between the OBD to the ONU.
4. optical access network faulty section according to claim 3 falls localization method, which is characterized in that if getting PON mouthfuls of receipts
No Light Alarm obtains the effective ONU of the PON mouthfuls of second lines of a couplet of alarm, according to the condition adjudgement of effective ONU whether be power down failure with
And determine preliminary failure paragraph, the step of final failure paragraph is determined according to the judging result of power down failure and preliminary failure paragraph
Suddenly include：
The state of the ONU of the PON mouthfuls of second lines of a couplet of query warning；
If inquiry is unsuccessful, PON mouthfuls of generation is without receipts light failure；
If successful inquiring, whether the quantity that detection state is online ONU is 0；
If the quantity of online ONU is 0, obtains and do not exist simultaneously in the first preset range of PON mouthfuls of receipts No Light Alarm time of origins
First ONU lists of line；
Whether the quantity for detecting the ONU that state is POWER OFF in the first ONU lists is 0；
If the quantity of the ONU of POWER OFF is 0, obtain in the second preset range of PON mouthfuls of receipts No Light Alarm time of origins simultaneously
The 2nd ONU lists of LOS；
The quantity for the ONU that state is LOS is obtained according to the 2nd ONU lists；
If the quantity for the ONU that state is LOS is 1, skin fibre breakdown judge is carried out, final faulty section is determined according to the result of judgement
Fall；
If the quantity that state is the ONU of LOS is more than 1, ONU has been detected whether in white list, the ONU in white list refers to possess
Report the ONU of the ability of power down；
If without ONU in white list, whether detection ONU is whether the quantity of FTTH types and ONU is less than the first setting value；
If ONU is for FTTH types, either if the quantity of ONU is more than or equal to and the first setting value or has ONU in white list, examines
Survey whether all ONU are under same two level OBD；
If all ONU, under same two level OBD, generation branch light path is broken failure, otherwise generate main optical path and break failure.
5. optical access network faulty section according to claim 4 falls localization method, which is characterized in that if it is offline to get ONU
Any one or a few in alarm, the alarm of ONU light-pathes poor signal quality and the alarm of ONU webmasters off-grid, obtains alarm ONU institutes
In the effective ONU of the PON mouthfuls of second lines of a couplet, whether it is power down failure according to the condition adjudgement of effective ONU and determines preliminary failure
Paragraph, the step of determining final failure paragraph according to the judging result of power down failure and preliminary failure paragraph, include：
The state and Offtime of the ONU of the PON mouthfuls of second lines of a couplet where query warning ONU；
Whether the state that alarm ONU is determined according to the state of the ONU of inquiry and Offtime is LOS；
If alerting the state of ONU as LOS, whether the quantity for the effective ONU that detection state is POWER OFF is 0；
If the ONU quantity of POWER OFF is not 0, skin fibre breakdown judge is carried out, final faulty section is determined according to the result of judgement
Fall；
If the ONU quantity of POWER OFF is 0, detect whether the quantity that same PON mouthfuls lower state is online ONU is 0；
If the quantity of online ONU is 0, whether the quantity for the effective ONU that detection state is LOS is more than 1；
If the quantity of the ONU of LOS is not more than 1, skin fibre breakdown judge is carried out, final failure paragraph is determined according to the result of judgement；
If the quantity of the ONU of LOS is more than 1, detect whether effective ONU of all states for LOS in same two level OBD
Under；
If the ONU of LOS under same two level OBD, has detected whether ONU in white list, if having ONU in white list,
Generation branch light path is broken failure, if without ONU in white list, detection ONU whether be FTTH types and ONU quantity it is whether small
In the second setting value, if ONU is not more than or equal to the second setting value for FTTH types or the quantity of ONU, generation branch light path is broken
Failure；
If the ONU unevenness of LOS has detected whether ONU in white list under same two level OBD, if having ONU in white list
Interior, generation main optical path breaks failure, if without ONU in white list, detection ONU whether be FTTH types and ONU quantity whether
Less than the 3rd setting value, if ONU is not more than or equal to the 3rd setting value for FTTH types or the quantity of ONU, generation main optical path breaks
Failure；
If the quantity of online ONU is not 0, whether ONU is under two level OBD for detection alarm；
If alerting ONU not under two level OBD, skin fibre breakdown judge is carried out, final failure paragraph is determined according to the result of judgement；
If alerting ONU under two level OBD, the effective ONU under two level OBD where obtaining alarm ONU；
It detects whether stateful for online effective ONU under two level OBD；
If stateful is online effective ONU, skin fibre breakdown judge is carried out, final failure paragraph is determined according to the result of judgement；
If being online effective ONU without state, whether the quantity for the effective ONU that detection state is LOS is more than 1, if LOS
The quantity of ONU is more than 1, has detected whether ONU in white list, if having ONU in white list, generation branch light path is broken failure,
If without ONU in white list, whether detection ONU is whether the quantity of FTTH types and ONU is less than the second setting value, if ONU
The quantity for FTTH types or ONU is more than or equal to the second setting value, and generation branch light path is broken failure.
6. optical access network faulty section according to claim 4 or 5 falls localization method, which is characterized in that carries out skin fibre failure
The step of judgement, includes：
Obtain corresponding ONU resources；The corresponding ONU resources alert offline including corresponding to ONU respectively, ONU light-path signals
Alarm of poor quality or the resource of ONU webmasters off-grid alarm；
Determine whether ONU has generated skin fibre failure or MDU fiber cut failures according to the ONU resources, if so, alarm is compressed to
In some failures, whether the type for otherwise detecting ONU is FTTB；
If the type of ONU is FTTB, MDU fiber cut failure judgements are carried out, final failure paragraph is determined according to the result of judgement；
If the type of ONU for FTTB, detection ONU whether be under PON mouthfuls where white list and ONU whether stateful be
Effective ONU of POWER OFF；
If ONU is the ONU of no POWER OFF under white list and PON mouthfuls, skin fibre failure is generated.
7. optical access network faulty section according to claim 6 falls localization method, which is characterized in that carries out MDU fiber cut failures
The step of judgement, includes：
Whether has fiber cut failure under PON mouthfuls of detection；
If having fiber cut failure, MDU fiber cut failures alarm being merged under the PON mouthfuls；
If without fiber cut failure, the effective ONU under PON mouthfuls is obtained；
Whether the quantity that detection state is effective ONU of POWER OFF is more than 0；
If the quantity of the ONU of POWER OFF is not more than 0, MDU fiber cut failures are generated；
Whether if the quantity of the ONU of POWER OFF is more than 0, detecting under the PON mouthfuls has unrecovered MDU power down failure；
If there is unrecovered MDU power down failure, alarm is compressed to existing MDU power down failure；
If without unrecovered MDU power down failure, MDU power down failures are generated.
8. optical access network faulty section according to claim 5 falls localization method, which is characterized in that
If getting ONU power fail warnings, when the ONU is MDU, step is further included：Detect under the MDU first line of a couplet OBD whether
There are unrecovered MDU power down failures；If in the presence of ONU power fail warnings are compressed to existing MDU power down failure, are otherwise entered
Determine the step of MDU is power down failure；
And/or
If getting PON mouthfuls of receipts No Light Alarms, before the state of the ONU of the PON mouthfuls of second lines of a couplet of query warning, step is further included：Detection
Alert the use state of the associated OLT devices of PON；If use state is normal use or does not check and accept, PON mouthfuls of detection alarm is
It is no to have unrecovered failure, if so, PON mouthfuls of receipts No Light Alarms are integrated into generated PON failures, otherwise accused into inquiry
The step of state of the ONU of the alert PON mouthfuls of second lines of a couplet；
And/or
If get ONU alert offline, ONU light-pathes poor signal quality alarm and ONU webmasters off-grid alarm in any one
Or it is several, before the state of the ONU of the PON mouthfuls of second lines of a couplet where query warning ONU and Offtime, further include step：Detection association
Resource whether there is alarm ONU；If in the presence of according to the OBD information of the correlated resources acquisition alarm ONU first line of a couplet；According to acquisition
Light path where OBD infomation detections alarm ONU is with the presence or absence of unrecovered light path failure, if in the presence of alarm is converged in the light path
Under failure, otherwise into the state and Offtime of the ONU of the PON mouthfuls of second lines of a couplet where query warning ONU the step of.
9. the optical access network faulty section according to claim 5 or 8 falls localization method, which is characterized in that
If getting ONU power fail warnings, alarm ONU is identified as white list, then updates ONU status informations and cumulative ONU shapes
State conversion times；
And/or
If getting PON mouthfuls of receipts No Light Alarms, if the quantity of online effective ONU is not 0, updates ONU status informations and tire out
Add ONU state conversion frequencies；It, will if the quantity of ONU of the quantity of the effective ONU of POWER OFF more than 0 and LOS is more than 0
The effective ONU of POWER OFF is arranged to white list, and the effective ONU of LOS is arranged to blacklist, then updates ONU states
Information and cumulative ONU state conversion frequencies；If the quantity of the effective ONU of POWER OFF is not more than the effective ONU of 0 or LOS
Quantity no more than 0, update ONU status informations and cumulative ONU state conversion frequencies；Blacklist reports power fail warning not possess
The ONU of function；
And/or
If get ONU alert offline, ONU light-pathes poor signal quality alarm and ONU webmasters off-grid alarm in any one
Or several, the ONU of the PON mouthfuls of second lines of a couplet where query warning ONU；Detect quantity that the PON mouthfuls of lower state is online ONU whether be
0, if so, obtaining the effective ONU under alarm ONU first line of a couplet OBD, otherwise update ONU status informations and cumulative ONU state transitions
Number；Detect whether the quantity that state is online ONU in the effective ONU under OBD is 0, if so, detection state is POWER
Whether the quantity for the ONU that whether the ONU quantity of OFF is more than 0 and state is LOS is more than 0, otherwise updates ONU status informations and tires out
Add ONU state conversion frequencies；If the quantity of ONU of the quantity of the ONU of POWER OFF more than 0 and LOS is more than 0, by POWER
The ONU of OFF is arranged to white list, and the ONU of LOS is arranged to blacklist, then updates ONU status informations and cumulative ONU states
Conversion times；If the quantity of ONU of the quantity of the ONU of POWER OFF no more than 0 or LOS updates ONU status informations no more than 0
And cumulative ONU state conversion frequencies.
10. a kind of optical access network faulty section falls alignment system, which is characterized in that including：
Network element alarming acquisition module, for obtaining network element alarming, the network element alarming includes ONU power fail warnings, PON mouthfuls of receipts are unglazed
Alarm, ONU alert offline, ONU light-pathes poor signal quality alarm and ONU webmasters off-grid alarm in any one or a few；
ONU power fail warning failure analysis modules, for when getting ONU power fail warnings, obtaining the device resource of alarm ONU,
Detect whether alarm ONU is MDU according to the device resource, if so, determining that the MDU is power down failure；
PON mouthfuls of receipts No Light Alarm failure analysis modules, for when getting PON mouthfuls of receipts No Light Alarms, obtaining under PON mouthfuls of alarm
Connection effective ONU, according to the condition adjudgement of effective ONU whether be power down failure and determine preliminary failure paragraph, according to
The judging result of power down failure and preliminary failure paragraph determine final failure paragraph；The effective ONU meets the following conditions：
It can be inquired by OLT；State is online or has offline or power down record in the preset range of alarm time of origin；
ONU Analysis of Network Malfunction modules, for get ONU alert offline, ONU light-pathes poor signal quality alarm and ONU
Webmaster off-grid alarm in any one or a few when, obtain alarm ONU where the PON mouthfuls of second lines of a couplet effective ONU, according to effective
The condition adjudgement of ONU whether be power down failure and determine preliminary failure paragraph, according to the judging result of power down failure and
Preliminary failure paragraph determines final failure paragraph.
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| CN106452571B (en) * | 2016-10-12 | 2018-11-30 | 国网江苏省电力公司徐州供电公司 | Electric power terminal communication access net topological relation faulty section determines and analysis method |
| CN108270481B (en) * | 2016-12-30 | 2020-06-05 | 中国移动通信集团北京有限公司 | Fault positioning method and device in transmission network |
| CN109120338B (en) * | 2017-06-26 | 2020-11-06 | 中国移动通信集团安徽有限公司 | Network fault positioning method, device, equipment and medium |
| CN107196699B (en) * | 2017-06-29 | 2021-10-15 | 中国电力科学研究院 | Method and system for diagnosing faults of multilayer hierarchical passive optical fiber network |
| CN109218857B (en) * | 2018-07-02 | 2021-08-13 | 北京市天元网络技术股份有限公司 | Method and system for detecting port state of network equipment |
| CN109450527B (en) * | 2018-10-24 | 2020-09-08 | 中国电信股份有限公司广东传送网络运营中心 | Fault determination method and device, computer equipment and storage medium |
| CN112422326A (en) * | 2020-11-02 | 2021-02-26 | 北京直真科技股份有限公司 | Automatic management and control method for network access quality of 5G-SPN equipment |
| CN113365164B (en) * | 2021-05-26 | 2023-02-10 | 中盈优创资讯科技有限公司 | Active identification two-stage light splitting method and device based on big data analysis |
| CN115514615A (en) * | 2021-06-07 | 2022-12-23 | 中国移动通信集团有限公司 | Fault detection method and device for broadband network |
| CN113114357B (en) * | 2021-06-16 | 2021-10-22 | 中兴通讯股份有限公司 | Passive wavelength division equipment fault detection method, device, server and storage medium |
| CN113794959B (en) * | 2021-10-20 | 2024-01-09 | 深圳市天威网络工程有限公司 | PON network fault automatic positioning method and system thereof |
| CN114884568A (en) * | 2022-06-10 | 2022-08-09 | 中国电信股份有限公司 | Method and device for determining network fault and non-volatile storage medium |
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