CN107294595A - A kind of detection method for growing luminous optical network unit, device and optical line terminal - Google Patents
A kind of detection method for growing luminous optical network unit, device and optical line terminal Download PDFInfo
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- CN107294595A CN107294595A CN201610190882.1A CN201610190882A CN107294595A CN 107294595 A CN107294595 A CN 107294595A CN 201610190882 A CN201610190882 A CN 201610190882A CN 107294595 A CN107294595 A CN 107294595A
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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
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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
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0791—Fault location on the transmission path
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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
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0793—Network aspects, e.g. central monitoring of transmission parameters
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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
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0795—Performance monitoring; Measurement of transmission parameters
- H04B10/07953—Monitoring or measuring OSNR, BER or Q
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/08—Time-division multiplex systems
Abstract
The present invention provides a kind of detection method for growing luminous optical network unit, device and optical line terminal, solves because ONU uplink authorization time slot dynamic changes cause the problem of long luminance ONU positioning is difficult.The method of the present invention includes：Detect after ONU fault warnings, be each time slot of ONU fixed allocations one communicated to connect with OLT, record the corresponding relation between each ONU ONU marks and the ONU assigned slots；Long hair optical signal detecting processing is carried out to ONU, slot range corresponding with the long luminous signals of ONU is obtained；Slot range corresponding with corresponding relation and the long luminous signals of ONU between the ONU assigned slots is identified according to ONU, determines that suspected fault ONU gathers；Long luminance ONU is detected in suspected fault ONU set.The present invention is by for ONU fixed allocation time slots, solving because ONU uplink authorization time slot dynamic changes cause the problem of long luminance ONU positioning is difficult.
Description
Technical field
The present invention relates to the technical field of communications applications, a kind of detection for growing luminous optical network unit is particularly related to
Method, device and optical line terminal.
Background technology
In the xPON networks of EPON, common group network system is general by Element management system (Element
Management System, EMS), optical line terminal (optical line terminal, OLT), light distribution
Network (Optical Distribution Network, ODN) and several optical network units (Optical Network
Unit, ONU) constitute, OLT converges multiple ONU by ODN network connections as central office side equipment and set
Standby, ONU equipment realizes the access of customer service, so as to realize the functions such as data service and configuration management.xPON
Network as " point-to-multipoint " topological structure：Transmission direction from OLT to ONU is down direction, descending
Direction sends data using broadcast mode, judges whether data are effective and determine to connect according to Data Identification by ONU
Receive or abandon；Transmission direction from ONU to OLT is up direction, and up direction is connect using time division multiple acess
Enter mode (Time Division Multiple Access, TDMA), it is upper that ONU must be distributed according to OLT
Row bandwidth time slots (Bandwidth Map, Bwmap) send uplink burst Burst signals.
It is that each ONU distributes one only in units of PON mouthfuls under OLT controls in xPON networks
One mark is used as ONU link identification, such as ethernet passive optical network (Ethernet Passive Optical
Network, EPON) made using logical links mark (Logical Link Identifier, LIID) in system
For ONU unique mark, such as passive multi-plexing light accessing system (Gigabit-Capable PON, GPON) is middle to be used
ONU marks (ONU Identifier, ID) are used as ONU unique mark.There is upstream data in ONU
When needing to send, xPON local side apparatus is designated ONU distribution according to the ONU and authorizes time slot.
In above-mentioned xPON networks, ONU OLT control distribution (being identified based on ONU) not ibid
Row time slot sends independent mutually between data, each time slot.Some ONU works under PON mouthfuls of OLT
Make abnormal, when sending data in the mandate time slot for being not belonging to oneself, normal allocation will be used to the PON mouthfuls
The ONU uplink data sendings of time slot work are interfered.Lead to not recover normal data, and then produce
Up packet loss；And ranging may be caused abnormal, there is loop time delay drift；Cause correlation be disturbed ONU from
Line.
Because xPON OLT are using dynamic bandwidth allocation mode and ONU marks are typically also dynamically distributes,
Therefore ONU is caused to authorize time slot to be dynamic change so that the coverage of long luminance ONU is uncertain
, and then cause detection positioning long luminance ONU very difficult.
The content of the invention
It is an object of the invention to provide a kind of detection method for growing luminous optical network unit, device and optical link
Terminal, to solve in xPON systems because ONU uplink authorization time slot dynamic changes cause long luminance ONU
The problem of positioning is difficult.
To achieve these goals, should the invention provides a kind of detection method for growing luminous optical network unit
For optical line terminal OLT, the detection method includes：
Detect after optical network unit ONU fault warning, be each ONU communicated to connect with the OLT
The time slot of fixed allocation one, and record each ONU ONU marks and the ONU assigned slots it
Between corresponding relation；
Long hair optical signal detecting processing is carried out to the ONU, when obtaining corresponding with the long luminous signals of ONU
Gap scope；
The corresponding relation and the ONU length between the ONU assigned slots are identified according to the ONU
The corresponding slot range of luminous signal, determines that suspected fault ONU gathers；
Long luminance ONU is detected in suspected fault ONU set.
Wherein, corresponding relation and the institute identified according to the ONU between the ONU assigned slots
The corresponding slot range of the long luminous signals of ONU is stated, determines that suspected fault ONU gathers, including：
In the time slot of institute's fixed allocation, the long luminous signal time slot in the slot range is obtained；
Corresponding relation between the ONU assigned slots is identified according to the ONU, obtained and the length
The corresponding ONU marks of luminous signal time slot；
Identified according to ONU corresponding with the long luminous signal time slot, determine that suspected fault ONU gathers.
Wherein, it is described detect optical network unit ONU fault warning after, be and the OLT communication links
The each time slot of ONU fixed allocations one connect, and record each ONU ONU marks and the ONU
Before the step of corresponding relation between assigned slot, the detection method also includes：
According to each ONU of preset recording periodic recording upper offline information and ONU error code information.
Wherein, it is described to detect long luminance ONU in suspected fault ONU set, specifically include：
According to each ONU upper offline information and ONU are missed in the exception record cycle and in the normal recordings cycle
Code information, long luminance ONU, the exception record cycle are detected in suspected fault ONU set
To detect the record period of the long luminous signals of ONU, the normal recordings cycle is to be not detected by ONU length
The record period of luminous signal.
Wherein, the upper offline information according to each ONU in the exception record cycle and in the normal recordings cycle
With ONU error code information, long luminance ONU is detected in suspected fault ONU set, including：
It will be somebody's turn to do in the ONU error codes information of ONU in the normal recordings cycle and the exception record cycle
Processing is compared in ONU ONU error code information, and ONU is obtained in suspected fault ONU set
The first ONU that error code information gap value is less than the first predetermined threshold value gathers；
According to offline information on the ONU in the normal recordings cycle and in the exception record cycle, in institute
State to obtain in suspected fault ONU set and reached the standard grade within the normal recordings cycle and within the exception record cycle
Keep the 2nd ONU set of presence and gone offline within the normal recordings cycle and all in exception record
The 3rd ONU set of off-line state is kept in phase；
According to the first ONU set, the 2nd ONU set and the 3rd ONU set, obtain
To doubtful long luminance ONU；
If repeatedly in doubtful long luminance ONU detection, the doubtful long luminance ONU detected is same ONU
Number of times be more than the second predetermined threshold value, regard the doubtful long luminance ONU as long luminance ONU.
Wherein, it is described according to the first ONU set, the 2nd ONU set and the 3rd ONU
Set, obtains doubtful long luminance ONU, including：
If the first ONU collection is combined into sky, the ONU during the 3rd ONU is gathered is as doubtful
Long luminance ONU；
If the first ONU set and the 2nd ONU intersection of sets collection are not sky, by described first
ONU gathers and the 2nd ONU intersection of sets collection is used as doubtful long luminance ONU.
Wherein, it is described after long luminance ONU is detected during the suspected fault ONU gathers, the inspection
Survey method also includes：
The long luminance ONU is reported into Element management system, makes the Element management system to the long hair
Light ONU carries out troubleshooting.
Present invention also offers a kind of detection means for growing luminous optical network unit, applied to optical line terminal
OLT, the detection means includes：
Distribute module, is to be communicated with the OLT for detecting after optical network unit ONU fault warning
Each time slot of ONU fixed allocations one of connection, and record each ONU ONU marks and the ONU
Corresponding relation between assigned slot；
Acquisition module, for carrying out long hair optical signal detecting processing to the ONU, is obtained and ONU long hairs
The corresponding slot range of optical signal；
Determining module, for identifying the corresponding relation between the ONU assigned slots according to the ONU
And the corresponding slot range of the long luminous signals of ONU, determine that suspected fault ONU gathers；
First detection module, for detecting long luminance ONU in suspected fault ONU set.
Wherein, the determining module includes：
First acquisition submodule, in the time slot of institute's fixed allocation, obtaining in the slot range
Long luminous signal time slot；
Second acquisition submodule, for identifying pair between the ONU assigned slots according to the ONU
It should be related to, obtain ONU marks corresponding with the long luminous signal time slot；
First determination sub-module, for being identified according to ONU corresponding with the long luminous signal time slot, it is determined that
Suspected fault ONU gathers.
Wherein, the detection means also includes：
Logging modle, is missed for the upper offline information according to each ONU of preset recording periodic recording and ONU
Code information.
Wherein, the first detection module is specifically for according in the exception record cycle and in the normal recordings cycle
Each ONU upper offline information and ONU error code information, is detected in suspected fault ONU set
Go out long luminance ONU, the exception record cycle is the record period for detecting the long luminous signals of ONU, institute
It is the record period for being not detected by the long luminous signals of ONU to state the normal recordings cycle.
Wherein, the first detection module includes：
3rd acquisition submodule, for by the ONU error codes information of ONU in the normal recordings cycle and institute
Processing is compared in the ONU error code information for stating the ONU exception record cycle Nei, in the suspected fault
The first ONU set that ONU error code information gaps value is less than the first predetermined threshold value is obtained in ONU set；
4th acquisition submodule, for according in the normal recordings cycle and in the exception record cycle
The upper offline informations of ONU, are obtained within the normal recordings cycle in suspected fault ONU set
Line and within the exception record cycle keep presence the 2nd ONU set and in the normal recordings cycle
Inside go offline and kept within the exception record cycle the 3rd ONU set of off-line state；
Second determination sub-module, for according to the first ONU set, the 2nd ONU set and institute
The 3rd ONU set is stated, doubtful long luminance ONU is obtained；
3rd determination sub-module, if in for repeatedly doubtful long luminance ONU to be detected, the doubtful long hair detected
Light ONU for same ONU number of times be more than the second predetermined threshold value, using the doubtful long luminance ONU as
Long luminance ONU.
Wherein, second determination sub-module includes：
First determining unit, if being combined into sky for the first ONU collection, the 3rd ONU is gathered
In ONU be used as doubtful long luminance ONU；
Second determining unit, if for the first ONU set and the 2nd ONU intersection of sets collection not
For sky, then the first ONU set and the 2nd ONU intersection of sets collection are lighted as doubtful length
ONU。
Wherein, the detection means also includes：
Sending module, long hair is detected for the first detection module in suspected fault ONU set
After light ONU, the long luminance ONU is reported into Element management system, makes the Element management system
Troubleshooting is carried out to the long luminance ONU.
Present invention also offers a kind of optical line terminal, include the inspection of long luminous optical network unit as described above
Survey device.
The embodiment of the present invention has the advantages that：
The detection method of the luminous optical network unit of the length of the embodiment of the present invention, is detected after ONU fault warnings,
For each time slot of ONU fixed allocations one communicated to connect with OLT, and record each ONU ONU marks
Know the corresponding relation between the ONU assigned slots；Long hair optical signal detecting processing is carried out to ONU,
Obtain slot range corresponding with the long luminous signals of ONU；According to above-mentioned corresponding relation and slot range, it is determined that
Suspected fault ONU collection merges detects long luminance ONU in suspected fault ONU set.The present invention is implemented
Example is ONU fixed allocation time slots so that the relation that ONU is identified between time slot is relatively fixed, so as to
It is enough to determine to be gathered by the ONU of fault impact, and then can be convenient fast in by the ONU of fault impact set
The detection and positioning of long luminance ONU are realized promptly, are solved in xPON systems due to ONU uplink authorizations
Time slot dynamic change causes the problem of long luminance ONU positioning is difficult.
Brief description of the drawings
Fig. 1 is the first workflow diagram of the detection method of the luminous optical network unit of length of the embodiment of the present invention；
Fig. 2 is the second workflow diagram of the detection method of the luminous optical network unit of length of the embodiment of the present invention；
Fig. 3 is the 3rd workflow diagram of the detection method of the luminous optical network unit of length of the embodiment of the present invention；
Fig. 4 is the structured flowchart of the detection means of the luminous optical network unit of length of the embodiment of the present invention.
Embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with tool
Body embodiment and accompanying drawing are described in detail.Here, the present invention illustrative examples and illustrate be used for explain
The present invention, but it is not as a limitation of the invention.
It is whole that embodiments of the invention provide a kind of detection method for growing luminous optical network unit, device and optical link
End, to solve in xPON systems because ONU uplink authorization time slot dynamic changes cause long luminance ONU
The problem of positioning is difficult.
First embodiment：
The detection method of optical network unit as shown in figure 1, the length of the embodiment of the present invention lights, including：
Step 11：Detect after optical network unit ONU fault warning, be to be communicated to connect with the OLT
Each time slot of ONU fixed allocations one, and record each ONU ONU marks and divided with the ONU
With the corresponding relation between time slot.
In the embodiment of the present invention, OLT can carry out fault detect according to the predetermined detection cycle to ONU, in detection
To after ONU fault warnings, fixed and divided by PON mouthfuls of each ONU connected of fault warning ONU correspondences
With a time slot.Here fault warning can be specially the up error code alarms of ONU, round-trip delay RTT drifts
Or other default warning information.
Here, it can be distributed according to default allocation strategy for each ONU and fix time slot, wherein, this is preset
Allocation strategy includes but is not limited to：Each ONU distributes the corresponding bandwidth value of time slot more than the ONU history
Average discharge is recorded, and same PON mouthfuls is distributed the thing that the corresponding bandwidth total value of time slot is no more than the PON mouthfuls
Reason limitation etc..
In addition, the corresponding relation between ONU marks and the ONU assigned slots may particularly include：EPON
In corresponding relation and GPON systems in system between LLID and assigned slot ONUID with it is allocated when
Corresponding relation between corresponding relation between gap, and ONU marks and the ONU assigned slots is in long hair
Keep fixing during optical signal detecting.
Certainly, when ONU fault detects need not be carried out, the Dynamic Bandwidth Allocation that OLT is used can be recovered
Mode.
Step 12：Long hair optical signal detecting processing is carried out to the ONU, obtained and the long luminous signals of ONU
Corresponding slot range.
After above-mentioned each time slot of ONU fixed allocations one, start long hair optical signal detecting, according to PON
Periodic scan photoreceiver reception indication signal (include but is not limited to PON optical modules SD signals,
Or long luminous detection is counted), obtain the slot range that the long luminous signals of ONU are related to.
Step 13：Corresponding relation and described between the ONU assigned slots is identified according to the ONU
The corresponding slot range of the long luminous signals of ONU, determines that suspected fault ONU gathers.
First, in the time slot of institute's fixed allocation, when obtaining the long luminous signal in the slot range
Gap；Then the corresponding relation between the ONU assigned slots is identified according to the ONU, obtained and institute
State the corresponding ONU marks of long luminous signal time slot；Finally according to corresponding with the long luminous signal time slot
ONU is identified, and determines that suspected fault ONU gathers.
Above-mentioned suspected fault ONU set includes long luminance ONU and the ONU by long luminous fault impact.
Step 14：Long luminance ONU is detected in suspected fault ONU set.
Specifically, can according in advance according to specified periodic recording ONU upper offline information and ONU error codes
Information, long luminance ONU is detected in suspected fault ONU set.
The detection method of the luminous optical network unit of the length of the embodiment of the present invention, is detected after ONU fault warnings,
For each time slot of ONU fixed allocations one communicated to connect with OLT, and record each ONU ONU marks
Know the corresponding relation between the ONU assigned slots；Long hair optical signal detecting processing is carried out to ONU,
Obtain slot range corresponding with the long luminous signals of ONU；According to above-mentioned corresponding relation and slot range, it is determined that
Suspected fault ONU collection merges detects long luminance ONU in suspected fault ONU set.The present invention is implemented
Example is ONU fixed allocation time slots so that the relation that ONU is identified between time slot is relatively fixed, so as to
It is enough to determine to be gathered by the ONU of fault impact, and then can be convenient fast in by the ONU of fault impact set
The detection and positioning of long luminance ONU are realized promptly, are solved in xPON systems due to ONU uplink authorizations
Time slot dynamically distributes cause the problem of long luminance ONU positioning is difficult.
Second embodiment：
The detection method of optical network unit as shown in Fig. 2 the length of the embodiment of the present invention lights, including：
Step 21：According to each ONU of preset recording periodic recording upper offline information and ONU error code information.
In a particular embodiment of the present invention, OLT local side apparatus cocoa is according to the preset recording cycle and with PON
Mouth records ONU upper offline information and online ONU error codes information for unit.Preferably, can be according to long hair
The testing result of optical signal records ONU upper offline information and ONU error code information.Specifically, current
When being not detected by long luminous signal in record period, correlation ONU information in this cycle is included in normal cycle letter
Breath；When detecting long luminous signal, correlation ONU information in this cycle is included in abnormal period information.And
Can be formulated in the embodiment of the present invention according to preset strategy and update the ONU relevant informations in the normal recordings cycle and
ONU relevant informations in the exception record cycle, the preset strategy includes but is not limited in multiple record periods not
When detecting long luminous signal, the ONU relevant informations in normal cycle are updated, e.g., newest normal cycle are used
ONU relevant informations before interior ONU relevant informations are replaced it in normal cycle；Detect long luminous signal
When, the ONU relevant informations in the update abnormal cycle e.g., are believed with the ONU correlations in newest abnormal period
ONU relevant informations before breath is replaced it in abnormal period.By above-mentioned recording method, can be with minimum
System resource record is likely to require the historical information used, so as to reach the purpose for saving memory headroom.
Step 22：Detect after optical network unit ONU fault warning, be to be communicated to connect with the OLT
Each time slot of ONU fixed allocations one, and record each ONU ONU marks and divided with the ONU
With the corresponding relation between time slot.
Step 23：Long hair optical signal detecting processing is carried out to the ONU, obtained and the long luminous signals of ONU
Corresponding slot range.
Step 24：Corresponding relation and described between the ONU assigned slots is identified according to the ONU
The corresponding slot range of the long luminous signals of ONU, determines that suspected fault ONU gathers.
Wherein, the step 22-24 of the present embodiment and the step 11-13 of first embodiment are identical, no longer go to live in the household of one's in-laws on getting married herein
State.
Step 25：According to each ONU upper offline information in the exception record cycle and in the normal recordings cycle and
ONU error code information, detects long luminance ONU, the abnormal note in suspected fault ONU set
The record cycle is the record period for detecting the long luminous signals of ONU, and the normal recordings cycle is to be not detected by
The record period of the long luminous signals of ONU.
Specifically, first by the ONU error codes information of ONU in the normal recordings cycle and the abnormal note
Processing is compared in the ONU error code information of the ONU in the record cycle, in suspected fault ONU set
The first ONU that middle acquisition ONU error code information gaps value is less than the first predetermined threshold value gathers.
Herein, if ONU ONU error codes information in the exception record cycle with being somebody's turn to do in the normal recordings cycle
The ONU error code information gaps value of ONU ONU error code information is more than the first predetermined threshold value, then explanation should
ONU is non-long luminance ONU.
Then, according to offline information on the ONU in the normal recordings cycle and in the exception record cycle,
Obtain and reached the standard grade within the normal recordings cycle and in exception record week in suspected fault ONU set
The 2nd ONU of presence is kept to gather and gone offline within the normal recordings cycle in phase and in abnormal note
The 3rd ONU set of off-line state is kept in the record cycle.
Here, if judging suspected fault ONU collection according to offline information on the ONU in the exception record cycle
A certain ONU in conjunction goes offline within the exception record cycle, then illustrates that the ONU is luminous for non-length
ONU。
Then, according to the first ONU set, the 2nd ONU set and the 3rd ONU collection
Close, obtain doubtful long luminance ONU.
If specifically, the first ONU collection is combined into sky, by the ONU in the 3rd ONU set
It is used as doubtful long luminance ONU；If the first ONU set and the 2nd ONU intersection of sets collection are not
Sky, then regard the first ONU set and the 2nd ONU intersection of sets collection as doubtful long luminance ONU.
Finally, if repeatedly in doubtful long luminance ONU detection, the doubtful long luminance ONU detected is same
ONU number of times is more than the second predetermined threshold value, regard the doubtful long luminance ONU as long luminance ONU.
Further,, can be by long luminance ONU after long luminance ONU is determined in the embodiment of the present invention
And other ONU in the suspected fault ONU set report NE management by alarm or notification message
System (or webmaster and other operation platforms), and carry its ONU history registries certification letter under PON mouthfuls
Cease the information in table so that Element management system is according to certain strategy and combines user account information, actively remote
Particular location and in-situ processing are isolated or searched to journey.Wherein, above-mentioned ONU history registries authentication information table by
OLT is safeguarded that its content includes but is not limited to LLID/ONUID, ONU type, mac addresses, sequence
Row number (Serial Number, SN), LLID (logical onu identifier, Loid).
In the embodiment of the present invention, OLT is safeguarded safeguards that ONU reaches the standard grade history information table in units of PON mouthfuls,
Long luminous detection is started by RTT drifts or the up error code alarms of ONU, ascending time slot point is changed by OLT
Long luminous fault incidence is relatively fixed with mode, and long luminance ONU, solution are positioned by corresponding strategies
The long luminance ONU coverage determined under current xPON dynamic slots licensing scheme is not known, and causes length
The problem of luminous ONU location difficulties.Further, since the detection method of the present invention is on existing software and hardware basis
On software mode is taken to realize the detection positioning to long luminance ONU, therefore simpler and flexible, solution
The cost of problem is relatively low.
Illustrate the specific detection stream of the luminous optical network unit ONU of length of the embodiment of the present invention with reference to Fig. 3
Journey, step is as follows：
Step 31：OLT according to each ONU of preset recording periodic recording upper offline information and ONU error codes
Information.
Step 32：If detecting ONU fault warnings, by fault warning ONU correspondences, PON mouthfuls connect
The each time slot of ONU fixed allocations one connect, and record each ONU ONU marks and the ONU
Corresponding relation between assigned slot.
Step 33：Start long hair optical signal detecting, indicated according to the reception of PON periodic scan photoreceivers
Signal, records the slot range that long luminous signal is related to.
Step 34：According to above-mentioned corresponding relation and the corresponding slot range of the long luminous signals of the ONU, it is determined that
Suspected fault ONU gathers.
Step 35：According to each ONU upper offline information in the exception record cycle and in the normal recordings cycle and
ONU error code information, doubtful long luminance ONU is detected in suspected fault ONU set.
Step 36：Judge whether doubtful long luminance ONU detection number of times reaches predetermined threshold value；
Step 37：If reaching predetermined threshold value, number of times of the doubtful long luminance ONU for same ONU is judged
More than the second predetermined threshold value, then using the doubtful long luminance ONU as long luminance ONU, if not up to default
Threshold value, then jump to step 32.
Step 38：Above-mentioned long luminance ONU is reported into webmaster or other operation platforms by alarm or notification message.
The detection method of the luminous optical network unit of the length of the embodiment of the present invention, is detected after ONU fault warnings,
For each time slot of ONU fixed allocations one communicated to connect with OLT, and record each ONU ONU marks
Know the corresponding relation between the ONU assigned slots；Long hair optical signal detecting processing is carried out to ONU,
Obtain slot range corresponding with the long luminous signals of ONU；According to above-mentioned corresponding relation and slot range, it is determined that
Suspected fault ONU collection merges detects long luminance ONU in suspected fault ONU set.The present invention is implemented
Example is ONU fixed allocation time slots so that the relation that ONU is identified between time slot is relatively fixed, so as to
It is enough to determine to be gathered by the ONU of fault impact, and then can be convenient fast in by the ONU of fault impact set
The detection and positioning of long luminance ONU are realized promptly, are solved in xPON systems due to ONU uplink authorizations
Time slot dynamic change causes the problem of long luminance ONU positioning is difficult.
3rd embodiment：
As shown in figure 4, embodiments of the invention additionally provide a kind of detection means for growing luminous optical network unit,
Applied to optical line terminal OLT, the detection means includes：
Distribute module 41, is logical with the OLT for detecting after optical network unit ONU fault warning
Believe each time slot of ONU fixed allocations one connected, and record each ONU ONU marks with being somebody's turn to do
Corresponding relation between ONU assigned slots；
Acquisition module 42, for carrying out long hair optical signal detecting processing to the ONU, is obtained and ONU length
The corresponding slot range of luminous signal；
Determining module 43, for being closed according to ONU marks are corresponding between the ONU assigned slots
System and the corresponding slot range of the long luminous signals of the ONU, determine that suspected fault ONU gathers；
First detection module 44, for detecting long luminance ONU in suspected fault ONU set.
The detection means of the luminous optical network unit of the length of the embodiment of the present invention, the determining module 43 includes：
First acquisition submodule 431, in the time slot of institute's fixed allocation, obtaining and being in the slot range
Interior long luminous signal time slot；
Second acquisition submodule 432, for according between ONU marks and the ONU assigned slots
Corresponding relation, obtain ONU marks corresponding with the long luminous signal time slot；
First determination sub-module 433, for being identified according to ONU corresponding with the long luminous signal time slot,
Determine that suspected fault ONU gathers.
The detection means of the luminous optical network unit of the length of the embodiment of the present invention, the detection means also includes：
Logging modle 45, for the upper offline information and ONU according to each ONU of preset recording periodic recording
Error code information.
The detection means of the luminous optical network unit of the length of the embodiment of the present invention, the first detection module 44 is specific
For according to each ONU upper offline information and ONU are missed in the exception record cycle and in the normal recordings cycle
Code information, long luminance ONU, the exception record cycle are detected in suspected fault ONU set
To detect the record period of the long luminous signals of ONU, the normal recordings cycle is to be not detected by ONU length
The record period of luminous signal.
The detection means of the luminous optical network unit of the length of the embodiment of the present invention, the first detection module 44 includes：
3rd acquisition submodule 441, for by the ONU error code information of ONU in the normal recordings cycle
Processing is compared with the ONU error code information of the ONU in the exception record cycle, in the suspicious event
Hinder and the first ONU set that ONU error code information gaps value is less than the first predetermined threshold value is obtained in ONU set；
4th acquisition submodule 442, for according in the normal recordings cycle and in the exception record cycle
ONU on offline information, the suspected fault ONU set in obtain within the normal recordings cycle
Reach the standard grade and keep the 2nd ONU of presence to gather and in normal recordings week within the exception record cycle
The 3rd ONU set of off-line state is gone offline and kept within the exception record cycle in phase；
Second determination sub-module 443, for being gathered according to the first ONU set, the 2nd ONU
With the 3rd ONU set, doubtful long luminance ONU is obtained；
3rd determination sub-module 444, if in repeatedly doubtful long luminance ONU detection, what is detected to be doubtful
Long luminance ONU is more than the second predetermined threshold value for same ONU number of times, by the doubtful long luminance ONU
It is used as long luminance ONU.
The detection means of the luminous optical network unit of the length of the embodiment of the present invention, second determination sub-module 443
Including：
First determining unit 4431, if being combined into sky for the first ONU collection, by the 3rd ONU
ONU in set is used as doubtful long luminance ONU；
Second determining unit 4432, if for the first ONU set and the 2nd ONU intersection of sets
Collection is not sky, then regard the first ONU set and the 2nd ONU intersection of sets collection as doubtful long hair
Light ONU.
The detection means of the luminous optical network unit of the length of the embodiment of the present invention, the detection means also includes：
Sending module 46, length is detected for the first detection module in suspected fault ONU set
After luminous ONU, the long luminance ONU is reported into Element management system, makes the NE management system
System carries out troubleshooting to the long luminance ONU.
It should be noted that the device is device corresponding with above method embodiment, above method embodiment
In all implementations suitable for the embodiment of the device, can also reach identical technique effect.
Embodiments of the invention additionally provide a kind of optical line terminal, including long luminous optical-fiber network as described above
The detection means of unit.
Detection method, device and the optical line terminal of the luminous optical network unit of the length of the embodiment of the present invention, detection
It is each time slot of ONU fixed allocations one communicated to connect with OLT, and record to after ONU fault warnings
Corresponding relation between each ONU ONU marks and the ONU assigned slots；ONU is grown
Luminous signal detection process, obtains slot range corresponding with the long luminous signals of ONU；Closed according to above-mentioned correspondence
System and slot range, determine that suspected fault ONU collection merges and detect long hair in suspected fault ONU set
Light ONU.The embodiment of the present invention is ONU fixed allocation time slots so that ONU identifies the pass between time slot
System is relatively fixed, so as to determine the ONU set by fault impact, and then can be by fault impact
The detection and positioning of long luminance ONU are conveniently and efficiently realized in ONU set, is solved in xPON systems
Because ONU uplink authorization time slot dynamic changes cause the problem of long luminance ONU positioning is difficult.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in this hair
Within bright spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in this hair
Within bright protection domain.
Claims (15)
1. a kind of detection method for growing luminous optical network unit, applied to optical line terminal OLT, its feature exists
In the detection method includes：
Detect after optical network unit ONU fault warning, be each ONU communicated to connect with the OLT
The time slot of fixed allocation one, and record each ONU ONU marks and the ONU assigned slots it
Between corresponding relation；
Long hair optical signal detecting processing is carried out to the ONU, when obtaining corresponding with the long luminous signals of ONU
Gap scope；
The corresponding relation and the ONU length between the ONU assigned slots are identified according to the ONU
The corresponding slot range of luminous signal, determines that suspected fault ONU gathers；
Long luminance ONU is detected in suspected fault ONU set.
The detection method of optical network unit 2. length according to claim 1 lights, it is characterised in that institute
State the corresponding relation and the ONU long hairs identified according to the ONU between the ONU assigned slots
The corresponding slot range of optical signal, determines that suspected fault ONU gathers, including：
In the time slot of institute's fixed allocation, the long luminous signal time slot in the slot range is obtained；
Corresponding relation between the ONU assigned slots is identified according to the ONU, obtained and the length
The corresponding ONU marks of luminous signal time slot；
Identified according to ONU corresponding with the long luminous signal time slot, determine that suspected fault ONU gathers.
The detection method of optical network unit 3. length according to claim 1 lights, it is characterised in that
It is described to detect after optical network unit ONU fault warning, it is each ONU communicated to connect with the OLT
The time slot of fixed allocation one, and record each ONU ONU marks and the ONU assigned slots it
Between corresponding relation the step of before, the detection method also includes：
According to each ONU of preset recording periodic recording upper offline information and ONU error code information.
The detection method of optical network unit 4. length according to claim 3 lights, it is characterised in that institute
State and detect long luminance ONU in suspected fault ONU set, specifically include：
According to each ONU upper offline information and ONU are missed in the exception record cycle and in the normal recordings cycle
Code information, long luminance ONU, the exception record cycle are detected in suspected fault ONU set
To detect the record period of the long luminous signals of ONU, the normal recordings cycle is to be not detected by ONU length
The record period of luminous signal.
The detection method of optical network unit 5. length according to claim 4 lights, it is characterised in that institute
State the upper offline information and ONU error codes according to each ONU in the exception record cycle and in the normal recordings cycle
Information, long luminance ONU is detected in suspected fault ONU set, including：
It will be somebody's turn to do in the ONU error codes information of ONU in the normal recordings cycle and the exception record cycle
Processing is compared in ONU ONU error code information, and ONU is obtained in suspected fault ONU set
The first ONU that error code information gap value is less than the first predetermined threshold value gathers；
According to offline information on the ONU in the normal recordings cycle and in the exception record cycle, in institute
State to obtain in suspected fault ONU set and reached the standard grade within the normal recordings cycle and within the exception record cycle
Keep the 2nd ONU set of presence and gone offline within the normal recordings cycle and all in exception record
The 3rd ONU set of off-line state is kept in phase；
According to the first ONU set, the 2nd ONU set and the 3rd ONU set, obtain
To doubtful long luminance ONU；
If repeatedly in doubtful long luminance ONU detection, the doubtful long luminance ONU detected is same ONU
Number of times be more than the second predetermined threshold value, regard the doubtful long luminance ONU as long luminance ONU.
The detection method of optical network unit 6. length according to claim 5 lights, it is characterised in that institute
State according to the first ONU set, the 2nd ONU set and the 3rd ONU set, obtain
Doubtful long luminance ONU, including：
If the first ONU collection is combined into sky, the ONU during the 3rd ONU is gathered is as doubtful
Long luminance ONU；
If the first ONU set and the 2nd ONU intersection of sets collection are not sky, by described first
ONU gathers and the 2nd ONU intersection of sets collection is used as doubtful long luminance ONU.
The detection method of optical network unit 7. length according to claim 1 lights, it is characterised in that institute
State after long luminance ONU is detected during the suspected fault ONU gathers, the detection method also includes：
The long luminance ONU is reported into Element management system, makes the Element management system to the long hair
Light ONU carries out troubleshooting.
8. a kind of detection means for growing luminous optical network unit, applied to optical line terminal OLT, its feature exists
In the detection means includes：
Distribute module, is to be communicated with the OLT for detecting after optical network unit ONU fault warning
Each time slot of ONU fixed allocations one of connection, and record each ONU ONU marks and the ONU
Corresponding relation between assigned slot；
Acquisition module, for carrying out long hair optical signal detecting processing to the ONU, is obtained and ONU long hairs
The corresponding slot range of optical signal；
Determining module, for identifying the corresponding relation between the ONU assigned slots according to the ONU
And the corresponding slot range of the long luminous signals of ONU, determine that suspected fault ONU gathers；
First detection module, for detecting long luminance ONU in suspected fault ONU set.
The detection means of optical network unit 9. length according to claim 8 lights, it is characterised in that institute
Stating determining module includes：
First acquisition submodule, in the time slot of institute's fixed allocation, obtaining in the slot range
Long luminous signal time slot；
Second acquisition submodule, for identifying pair between the ONU assigned slots according to the ONU
It should be related to, obtain ONU marks corresponding with the long luminous signal time slot；
First determination sub-module, for being identified according to ONU corresponding with the long luminous signal time slot, it is determined that
Suspected fault ONU gathers.
The detection means of optical network unit 10. length according to claim 8 lights, it is characterised in that
The detection means also includes：
Logging modle, is missed for the upper offline information according to each ONU of preset recording periodic recording and ONU
Code information.
The detection means of optical network unit 11. length according to claim 10 lights, it is characterised in that
The first detection module is specifically for according to each ONU in the exception record cycle and in the normal recordings cycle
Upper offline information and ONU error code information, long luminance ONU is detected in suspected fault ONU set,
The exception record cycle is the record period for detecting the long luminous signals of ONU, and the normal recordings cycle is
It is not detected by the record period of the long luminous signals of ONU.
The detection means of optical network unit 12. length according to claim 11 lights, it is characterised in that
The first detection module includes：
3rd acquisition submodule, for by the ONU error codes information of ONU in the normal recordings cycle and institute
Processing is compared in the ONU error code information for stating the ONU exception record cycle Nei, in the suspected fault
The first ONU set that ONU error code information gaps value is less than the first predetermined threshold value is obtained in ONU set；
4th acquisition submodule, for according in the normal recordings cycle and in the exception record cycle
The upper offline informations of ONU, are obtained within the normal recordings cycle in suspected fault ONU set
Line and within the exception record cycle keep presence the 2nd ONU set and in the normal recordings cycle
Inside go offline and kept within the exception record cycle the 3rd ONU set of off-line state；
Second determination sub-module, for according to the first ONU set, the 2nd ONU set and institute
The 3rd ONU set is stated, doubtful long luminance ONU is obtained；
3rd determination sub-module, if in for repeatedly doubtful long luminance ONU to be detected, the doubtful long hair detected
Light ONU for same ONU number of times be more than the second predetermined threshold value, using the doubtful long luminance ONU as
Long luminance ONU.
The detection means of optical network unit 13. length according to claim 12 lights, it is characterised in that
Second determination sub-module includes：
First determining unit, if being combined into sky for the first ONU collection, the 3rd ONU is gathered
In ONU be used as doubtful long luminance ONU；
Second determining unit, if for the first ONU set and the 2nd ONU intersection of sets collection not
For sky, then the first ONU set and the 2nd ONU intersection of sets collection are lighted as doubtful length
ONU。
The detection means of optical network unit 14. length according to claim 8 lights, it is characterised in that
The detection means also includes：
Sending module, long hair is detected for the first detection module in suspected fault ONU set
After light ONU, the long luminance ONU is reported into Element management system, makes the Element management system
Troubleshooting is carried out to the long luminance ONU.
15. a kind of optical line terminal, it is characterised in that including the length as described in claim any one of 8-14
The detection means of luminous optical network unit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610190882.1A CN107294595B (en) | 2016-03-30 | 2016-03-30 | Detection method and device for long-luminescence optical network unit and optical line terminal |
| PCT/CN2016/091619 WO2017166546A1 (en) | 2016-03-30 | 2016-07-25 | Method and device for detecting continuously emitting optical network unit and optical line terminal |
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| CN201610190882.1A CN107294595B (en) | 2016-03-30 | 2016-03-30 | Detection method and device for long-luminescence optical network unit and optical line terminal |
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| CN107294595B CN107294595B (en) | 2020-09-04 |
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| CN112188326A (en) * | 2020-09-09 | 2021-01-05 | 中盈优创资讯科技有限公司 | Method and device for checking and remedying rogue ONU |
| WO2021093185A1 (en) * | 2020-01-31 | 2021-05-20 | Zte Corporation | Fast detection and recovery of a rogue optical network unit using a reset signal |
| CN114374900A (en) * | 2022-01-04 | 2022-04-19 | 烽火通信科技股份有限公司 | Distribution identifier abnormal occupation processing method, device, equipment and storage medium |
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| CN114374900B (en) * | 2022-01-04 | 2023-05-12 | 烽火通信科技股份有限公司 | Method, device, equipment and storage medium for processing abnormal occupation of allocation identifier |
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| WO2017166546A1 (en) | 2017-10-05 |
| CN107294595B (en) | 2020-09-04 |
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