CN104426684B - PON system and its state updating method - Google Patents

PON system and its state updating method Download PDF

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Publication number
CN104426684B
CN104426684B CN201310365559.XA CN201310365559A CN104426684B CN 104426684 B CN104426684 B CN 104426684B CN 201310365559 A CN201310365559 A CN 201310365559A CN 104426684 B CN104426684 B CN 104426684B
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pon
sub
state
onu
card system
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CN104426684A (en
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解宇
汤勇
刘启林
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Song Yixiao
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Shanghai Feixun Data Communication Technology Co Ltd
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Abstract

The invention discloses a kind of PON system and its state updating methods, the PON system includes an OLT, and the OLT includes a user side equipment and a sub-card system, and sub-card system includes PON mouthfuls several, every a PON mouthfuls are correspondingly connected with several ONU, and the state updating method includes:S1, be directed to each PON mouthful, sub-card system judges a frequency whether higher than a first threshold, if so then execute step S2If otherwise executing step S again1, the frequency is the frequency of the state change of whole ONU corresponding to the PON mouthfuls that the sub-card system obtains;S2, sub-card system will be PON mouthfuls described corresponding to whole ONU state transfer to the user side equipment.The OLT intercommunication pressure of PON system of the present invention is small, and the performance of PON system is more reliable and more stable, while user side equipment can more rationally, accurately obtain the state of ONU.

Description

PON system and its state updating method
Technical field
The present invention relates to a kind of PON system and its state updating methods.
Background technology
PON(Passive Optical Network:Passive optical-fiber network), PON system is mainly by console for centralized control OLT(Optical Line Terminal:Optical line terminal), ODN comprising Passive Optical Components(Optical Distribution Network:Optical distribution network)And the ONU of user terminal(Optical Network Unit:Optical-fiber network list Member)Composition.
The status information of ONU is to pass through MPCP(Multi-Point Control Protocol:Multi-point Control Protocol)Disappear Breath is reported to sub-card system in OLT, OLT sub-card systems receive ONU report information after, the status information of ONU is passed It is defeated by OLT user side equipments(OLT main control units)OLT user side equipments update local display shape according to obtained status information State.The defect of this method is:High-volume ONU frequently goes up the offline channel made between OLT sub-card systems and OLT user side equipments Obstruction, OLT intercommunication pressure is huge, the linking status of ONU and OLT is unable to get in OLT user side equipment long-times, simultaneously The other functions of also resulting in OLT can not normal use.
Invention content
The technical problem to be solved by the present invention is in order to overcome in the prior art PON system can not handle intercommunication pressure The case where can not work normally caused by excessive, the poor defect of the reliability and stability of PON system provide a kind of reliable The good PON system of property and its state updating method.
The present invention is to solve above-mentioned technical problem by following technical proposals:A kind of state updating method of PON system, The PON system includes an OLT, and the OLT includes a user side equipment and a sub-card system, if the sub-card system includes PON mouthfuls dry, every a PON mouthfuls are correspondingly connected with several ONU, and the state updating method includes:
S1, be directed to each PON mouthful, whether the sub-card system judges a frequency higher than a first threshold, if so then execute Step S2If otherwise executing step S again1, the frequency is the whole corresponding to the PON mouthfuls that the sub-card system obtains The frequency of the state change of ONU;
S2, the sub-card system will be PON mouthfuls described corresponding to whole ONU state transfer to the user side equipment.
In the prior art, a sub-card system includes PON mouthfuls multiple, is correspondingly connected with multiple ONU under one PON mouthfuls, ONU and The variation of the linking status of sub-card system is ONU actively to be sent to sub-card system by MPCP message, if there are one ONU and The linking status of sub-card system changes, and the state of the ONU of variation can be sent to user side equipment by sub-card system.Once Linking status between ONU and sub-card system frequently changes, and sub-card system continually will ceaselessly report the state of ONU to believe Breath can lead to sub-card system and user side equipment channel block in this way to OLT user side equipments.Sub-card system and user side equipment Channel block will cause user side equipment to be unable to get the linking status of ONU and sub-card system for a long time, at this moment if there is When webmaster terminal request obtains the connection status of ONU, the state that user side equipment can not provide correct ONU is aobvious for webmaster terminal Show, and channel block can also cause other functions of OLT or business to be not normally functioning.
And in the present invention, it is contemplated that the frequent of 1 ONU offline does not have generation for entire large-scale PON system Table, in the sub-card system in the status information for receiving ONU and being sent by MPCP(As ONU reaches the standard grade, ONU is offline)Afterwards, it is not It is sent to user side equipment at once, but judges the frequency of all ONU variations under this PON mouthfuls that ONU is connected, such as one PON mouthfuls of lower connection 5 ONU, this 5 ONU are all offline whithin a period of time, then sub-card system can obtain the PON The frequency of the state change of whole ONU corresponding to mouthful.
Then, the frequency is compared with first threshold(First threshold can be taking human as setting)If frequency is higher than The first threshold then the sub-card system immediately by the state transfer of whole ONU under PON mouths at this time, be reported to user side Equipment adjusts the time reported according to the frequency in this way, it is ensured that channel is not between sub-card system and user side equipment It blocks, the state of ONU can be reported accurately, and not only user side equipment can obtain the state but also OLT of correct ONU Internal communication pressure reduces, and other functions of PON system or business is allow normally to operate.
Preferably, step S1Including:
S11, be directed to each PON mouthful, the sub-card system judges the frequency whether higher than a first threshold, if then holding Row step S2, S is thened follow the steps if not12
S12, the sub-card system judge whether the frequency is less than a second threshold, if so then execute step S13, if not Step S is then executed again11
S13, the sub-card system will be PON mouthfuls described corresponding to whole ONU one first time interval of state delay after, It is transmitted to the user side equipment, then terminates flow.
Step S11In, the sub-card system judges whether the frequency is sufficiently high, if it is transmits whole ONU's immediately State is to user side.It can not only ensure that the status information of user side equipment acquisition ONU was matched with virtual condition in this way, but also can keep away Exempt from sub-card system and frequently reports the defect that PON system can not work normally caused by the status information of ONU.Step S12In, institute It states sub-card system and judges whether the frequency is too low, if for a long time without variation or when not changing substantially in PON system, institute The sub-card system certain time interval that can be delayed is stated to set to state to the user side of user side equipment transmission whole ONU It is standby, ensure that the state of the user side equipment acquisition ONU is consistent with the actual states of ONU as possible, avoids the underfrequency, son Card system does not report the state of ONU for a long time.Wherein, the second threshold and the duration of first time interval can be taking human as setting Fixed, first threshold is more than second threshold.
Preferably, the sub-card system includes the state change number of whole ONU corresponding to a metering is PON mouthfuls described Counter and a timer, step S1Including:
S11, be directed to each PON mouthful, while the counter and the timer are enabled, described in the sub-card system judgement Whether the counting of counter reaches a third threshold value, if so then execute step S12, S is thened follow the steps if not13
S12, judge the timer timing whether be less than one first preset duration, if the then counting of the counter Then the timing zero of zero and the timer executes step S2If otherwise terminating flow;
S13, judge the timer timing whether be more than one second preset duration, if the then counting of the counter Then the timing zero of zero and the timer executes step S14If otherwise executing step S again11
S14, the sub-card system will be PON mouthfuls described corresponding to whole ONU state delay described in first time interval Afterwards, it is transmitted to the user side equipment, then terminates flow.
By the counter and timer, sub-card system can be made accurately to obtain the shape of described PON mouthfuls lower whole ONU The frequency of state variation.It, can by the setting to the third threshold value, first preset duration and second preset duration More reasonably setting sub-card system transmits the time of the state of ONU to user side equipment.If the counting of the counter reaches The timing of third threshold value and the timer is less than first preset duration, shows the state change of PON mouthfuls of lower whole ONU Frequency it is excessively high, sub-card system reports the state of the ONU to user side equipment immediately.If the counting of the counter does not reach Timing to third threshold value and the timer is more than second preset duration, shows the state base of PON mouthfuls of lower whole ONU This does not change, in order to more accurately reflect the state of PON mouthfuls of lower ONU, sub-card system delay first time interval as possible The state of transmission ONU is to user side equipment afterwards.Although ONU variations are very faint from the point of view of on the whole, user side equipment also can be correct Acquisition ONU state.
Preferably, step S2Including:
S21, the second time interval of delay, second time interval and the first preset duration correspond;
S22, the sub-card system will be PON mouthfuls described corresponding to whole ONU state transfer to the user side equipment.
If the counting of the counter reaches third threshold value and the timing of the timer is default less than described first Duration shows that the frequency of the state change of PON mouthfuls of lower whole ONU is relatively high, and at this moment sub-card system is no longer to report ONU immediately State, but report the state of ONU again after second time interval that is delayed, further decrease sub-card system and user side equipment Between channel block this case occur probability, the status information of more accurate ONU is obtained thereby using family side apparatus.
Second time interval is set according to the first preset duration, that is to say, that the time interval of delay is changed according to ONU Frequency and set.When described PON mouthfuls lower generation is frequent to be changed, sub-card system is set with shorter time interval to user side The standby state for reporting ONU, with should it is PON mouthful described under ONU change infrequently, then sub-card system at larger time intervals to User side equipment reports the state of ONU.Specific embodiment can be:If the first preset duration is 20 clock cycle, institute State second time interval that the first preset duration corresponds to 40 clock cycle;If the first preset duration is 40 clock weeks Phase, first preset duration correspond to second time interval of 80 clock cycle;If the first preset duration is 80 Clock period, first preset duration correspond to second time interval of 120 clock cycle;If the first preset duration is 120 clock cycle, first preset duration correspond to second time interval of 180 clock cycle.The subcard system System adjusts the time for the state for reporting ONU according to the first preset duration, the second preset duration and third threshold value, to make family side Equipment can obtain the state of correct ONU and the communication pressure inside OLT reduces, and PON system is relatively reliable.
Preferably, the PON system includes a webmaster terminal, step S2After include:
S3, the webmaster terminal send a solicited message to the OLT to ask the whole ONU's being connect with the OLT State;
S4, the user side equipment send OLT with the state of all PON mouthfuls of ONU being connect to the webmaster Terminal.
The webmaster terminal can accurately know the shape of the whole PON mouthfuls of ONU connected of OLT for managing OLT State, to facilitate staff to safeguard PON system.
The present invention also provides a kind of PON system, the PON system includes an OLT, and the OLT includes a user side equipment And a sub-card system, the sub-card system includes PON mouthfuls several, and every a PON mouthfuls are correspondingly connected with several ONU, the subcard system System further includes one first judgment module and a transmission module, and for PON mouthfuls each, first judgment module is for judging one Whether frequency is higher than a first threshold, if then calling the transmission module, the transmission module is used for described PON mouthfuls institute is right The PON mouthfuls of institutes that the state transfer of the whole ONU answered is obtained to the user side equipment, the frequency for the sub-card system The frequency of the state change of corresponding whole ONU.
The PON system of the present invention can realize that the state updating method, sub-card system judge that each PON mouthfuls lower ONU becomes Whether the frequency of change is excessively high, calls the transmission module to transmit this immediately if one PON mouthfuls lower ONU change frequencies are excessively high The state of PON mouthfuls of lower ONU, can be to avoid sub-card system and user caused by sub-card system frequent transmission information to user side equipment Channel between side apparatus blocks.More reliable and more stable, the state for the ONU that user side equipment is stored of the PON system work It can more accurately reflect the state of practical ONU.
Preferably, the sub-card system includes one second judgment module, for PON mouthfuls each, first judgment module For judging whether the frequency is higher than the first threshold, if then calling the transmission module, if otherwise calling described the Two judgment modules, second judgment module is for judging whether the frequency is less than a second threshold, if described in then calling Transmission module will be PON mouthfuls described corresponding to whole ONU one first time interval of state delay after, be transmitted to the user side Equipment.
If the change frequency under one PON mouthfuls is too low, in order to more accurately reflect the state of PON mouthfuls of lower ONU, transmission The state of ONU is transmitted after module one time interval of called delay.If the state of the ONU under PON mouthfuls does not become substantially Change, the transmission module can be according to the state of the duration periodic transfer ONU of the first time interval to user side equipment.It protects The status information and the state of actual ONU for having demonstrate,proved the ONU in user side equipment match.
Preferably, the sub-card system includes the state change number of whole ONU corresponding to a metering is PON mouthfuls described Counter, a timer, a third judgment module and the 4th judgment module, for PON mouthfuls each, the counter and described Timer enables simultaneously, and first judgment module is used to judge whether the counting of the counter reaches a third threshold value, if The counting reaches the third threshold value and then calls the third judgment module, if the counting is not up to the third threshold value The 4th judgment module is called,
The third judgment module is used to judge whether the timing of the timer to be less than one first preset duration, if then The counting of the counter is zeroed and the transmission module is zeroed and then calls in the timing of the timer;
4th judgment module is used to judge whether the timing of the timer to be more than one second preset duration, if then The counting zero of the counter and the timing zero of the timer, then call the transmission module by the PON mouthfuls of institute After first time interval described in the state delay of corresponding whole ONU, it is transmitted to the user side equipment.
By the counter and timer, sub-card system can be made accurately to obtain the shape of described PON mouthfuls lower whole ONU The frequency of state variation.Pass through setting for setting to the third threshold value, first preset duration and second preset duration It is fixed, it can more reasonably set the time that sub-card system transmits the state of ONU to user side equipment.
Preferably, when the third judgment module is used to judge that the timing of the timer to be less than first preset duration, Call the transmission module will be PON mouthfuls described corresponding to whole ONU one second time interval of state delay after, be transmitted to institute User side equipment is stated, second time interval is corresponded with the first preset duration.
If the counting of the counter reaches third threshold value and the timing of the timer is default less than described first Duration shows that the frequency of the state change of PON mouthfuls of lower whole ONU is relatively high, and at this moment sub-card system is no longer to report ONU immediately State, but call the transmission module to be delayed and report the state of ONU after one second time interval again, further decrease son Channel blocks the probability that this case occurs between card system and user side equipment, is obtained thereby using family side apparatus more accurate The status information of ONU.
Preferably, the PON system includes a webmaster terminal, the sub-card system includes a transceiver module, the transmitting-receiving Module is used to receive the solicited message that the webmaster terminal is sent, what the solicited message was used to ask to connect with the OLT The state of whole ONU, the transceiver module are additionally operable to send being connect with all described PON mouthfuls for OLT to the webmaster terminal ONU state.
The webmaster terminal can accurately know whole PON mouthfuls in the user side equipment of OLT for managing OLT The state of the ONU connected, to facilitate staff to safeguard PON system.
The positive effect of the present invention is that:The OLT intercommunication pressure of PON system of the present invention is small, the property of PON system Can be more reliable and more stable, while user side equipment can more rationally, accurately obtain the state of ONU.
Description of the drawings
Fig. 1 is the flow chart of the embodiment 1 of state updating method of the present invention.
Fig. 2 is the structural schematic diagram of the embodiment 1 of PON system of the present invention.
Fig. 3 is the flow chart of the embodiment 2 of state updating method of the present invention.
Specific implementation mode
Present pre-ferred embodiments are provided below in conjunction with the accompanying drawings, with the technical solution that the present invention will be described in detail.
Embodiment 1
In the present embodiment, referring to Fig. 1, a kind of state updating method of PON system, the PON system include an OLT and One webmaster terminal, the OLT include a user side equipment and a sub-card system, the sub-card system include it is PON mouthfuls several, often One PON mouthfuls is correspondingly connected with several ONU, and the state updating method includes:
Step 100 is directed to each PON mouthfuls, and the sub-card system judges whether the frequency is higher than a first threshold, if 103 are thened follow the steps, thens follow the steps 101 if not.
Step 101, the sub-card system judge whether the frequency is less than a second threshold, if so then execute step 102, If otherwise executing step 100 again.
Step 102, the sub-card system will be PON mouthfuls described corresponding to whole ONU one first time of state delay between Every rear, it is transmitted to the user side equipment, then executes step 104.
Above-mentioned steps 102 can ensure to change in spite of the state of a small amount of ONU in PON system, user side equipment Also the state of ONU can be correctly obtained by sub-card system.
Step 103, the sub-card system will be PON mouthfuls described corresponding to whole ONU state transfer to the user side Equipment.
Above-mentioned steps 103 can ensure:When the state change frequency of ONU only under one PON mouthfuls is more than certain value, Sub-card system just reports the state of the ONU under this PON mouthfuls to user side equipment immediately.It effectively prevent sub-card system frequently to report Information causes the channel between sub-card system and user side equipment to block.Make the various functions steady operation of PON system.
Step 104, the webmaster terminal send a solicited message to the OLT to ask the whole being connect with the OLT The state of ONU.
Step 105, the user side equipment send OLT with the state of all PON mouthfuls of ONU being connect to described Webmaster terminal.
The state updating method of the present embodiment can make the OLT intercommunication pressure of PON system small, the performance of PON system It is more reliable and more stable, while user side equipment can more rationally, accurately obtain the state of ONU.
Referring to Fig. 2, the present embodiment also provides a kind of PON system, and the PON system includes an OLT and a webmaster terminal, The OLT includes a user side equipment 2 and a sub-card system 1, and the sub-card system 1 includes several PON mouths 11(In order to illustrate It is clear, only show one), one first judgment module 12, one second judgment module 13, a transmission module 14 and one receive and dispatch mould Block 15, every PON mouths 11 are correspondingly connected with several ONU.
For each PON mouths 11, first judgment module 12 is used to judge whether a frequency to be higher than a first threshold, if It is to call the transmission module 14, if otherwise calling second judgment module 13.
By the state transfer of whole ONU corresponding to the PON mouths 11 to the use after the transmission module 14 is called Family side apparatus 2, the frequency are the state change of whole ONU corresponding to the PON mouths 11 that the sub-card system 1 obtains Frequency.That is, calling the transmission module 14 to transmit this PON immediately if 11 times ONU change frequencies of PON mouths are excessively high The state of 11 times whole ONU of mouth, can be to avoid sub-card system 1 caused by 1 frequent transmission information of sub-card system to user side equipment 2 Channel between user side equipment 2 blocks.
For judging whether the frequency is less than a second threshold after second judgment module 13 is called, if then adjusting With the transmission module 14 by after one first time interval of state delay of whole ONU corresponding to the PON mouths 11, it is transmitted to The user side equipment 2.If transmission module 14 is called when the frequency is less than second threshold, be delayed described first when Between be spaced after transmit ONU state, can ensure that user's side system accurately knows the faint change of the ONU in PON system in this way Change.
When the webmaster terminal needs to know the state of whole ONU under OLT, one is sent for receiving the webmaster terminal The solicited message of the state for whole ONU that the request sent is connect with the OLT, the transceiver module 15 receive the request After information, the state for the ONU of OLT being connect with whole PON mouths 11 is sent to the webmaster terminal.Keep webmaster terminal accurate Really obtain with the state for the ONU that all the PON mouths 11 are connect, webmaster can be to PON after obtaining the state of accurate ONU System carries out more accurately management and safeguards.
Embodiment 2
In the present embodiment, referring to Fig. 3, a kind of state updating method of PON system, the PON system include an OLT and One webmaster terminal, the OLT include a user side equipment and a sub-card system, the sub-card system include it is PON mouthfuls several, one Measure it is PON mouthfuls described corresponding to whole ONU state change number counter and a timer, an every PON mouthfuls of correspondences Several ONU are connected, the state updating method includes:
Step 1000 is directed to each PON mouthfuls, while enabling the counter and the timer, and the sub-card system is sentenced Whether the counting of the disconnected counter reaches a third threshold value thens follow the steps 1002 if not if so then execute step 1001.
Step 1001 judges whether the timing of the timer is less than one first preset duration, if the then counter Counting zero and the timer timing zero then execute step 1004, if otherwise terminating flow.
Step 1002 judges whether the timing of the timer is more than one second preset duration, if the then counter Counting zero and the timer timing zero then execute step 1003, if otherwise again execute step 1000.
By the counter and timer, sub-card system can be made accurately to obtain the shape of described PON mouthfuls lower whole ONU The frequency of state variation.Pass through setting for setting to the third threshold value, first preset duration and second preset duration It is fixed, it can more reasonably set the time that sub-card system transmits the state of ONU to user side equipment.
Step 1003, the sub-card system will be PON mouthfuls described corresponding to whole ONU one first time of state delay between Every rear, it is transmitted to the user side equipment, then terminates flow.
Step 1004, the second time interval of delay, second time interval are corresponded with the first preset duration.
The corresponded manner of second time interval and the first preset duration is:If the first preset duration is 20 clock weeks Phase, first preset duration correspond to second time interval of 40 clock cycle;If the first preset duration is 40 Clock period, first preset duration correspond to second time interval of 80 clock cycle;If the first preset duration is 80 A clock cycle, first preset duration correspond to second time interval of 120 clock cycle;If the first preset duration For 120 clock cycle, first preset duration corresponds to second time interval of 180 clock cycle.The subcard System adjusts the time for the state for reporting ONU according to the first preset duration, the second preset duration and third threshold value, to make family Side apparatus can obtain the state of correct ONU and the communication pressure inside OLT reduces, and PON system is relatively reliable.
Step 1005, the sub-card system will be PON mouthfuls described corresponding to whole ONU state transfer to the user side Equipment.
The present embodiment also provides a kind of PON system, and the PON system includes an OLT and a webmaster terminal, the OLT Including a user side equipment and a sub-card system, the sub-card system include it is PON mouthfuls several, one metering it is described PON mouthful it is right The counter of the state change number of the whole ONU answered, a timer, a third judgment module, one the 4th judgment module and One transmission module, every a PON mouthfuls are correspondingly connected with several ONU.
For PON mouthfuls each, the counter and the timer enable simultaneously, and first judgment module is for judging Whether the counting of the counter reaches a third threshold value, calls the third to sentence if the counting reaches the third threshold value Disconnected module calls the 4th judgment module if the counting is not up to the third threshold value.
The third judgment module is used to judge whether the timing of the timer to be less than one first preset duration, if then The counting zero of the counter and the timing zero of the timer, then call the transmission module by the PON mouthfuls of institute After one second time interval of state delay of corresponding whole ONU, it is transmitted to the user side equipment.Second time interval It is corresponded with the first preset duration..
4th judgment module is used to judge whether the timing of the timer to be more than one second preset duration, if then The counting zero of the counter and the timing zero of the timer, then call the transmission module by the PON mouthfuls of institute After first time interval described in the state delay of corresponding whole ONU, it is transmitted to the user side equipment.
When the third judgment module is used to judge that the timing of the timer to be less than first preset duration, described in calling Transmission module will be PON mouthfuls described corresponding to whole ONU one second time interval of state delay after, be transmitted to the user side Equipment, second time interval are corresponded with the first preset duration.
The sub-card system of the present embodiment more accurately obtains the frequency of the state change of described PON mouthfuls lower whole ONU.It can More reasonably setting sub-card system transmits the time of the state of ONU to user side equipment.PON system operation is more reliable and more stable, User side equipment obtain ONU state and actual conditions more accurately match with it is corresponding.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that these It is merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back Under the premise of from the principle and substance of the present invention, many changes and modifications may be made, but these are changed Protection scope of the present invention is each fallen with modification.

Claims (10)

1. a kind of state updating method of PON system, the PON system includes an OLT, and the OLT includes a user side equipment And a sub-card system, the sub-card system includes PON mouthfuls several, and every a PON mouthfuls are correspondingly connected with several ONU, which is characterized in that The state updating method includes:
S1, be directed to each PON mouthful, whether the sub-card system judges a frequency higher than a first threshold, if so then execute step S2If otherwise executing step S again1, the frequency is whole ONU's corresponding to the PON mouthfuls that the sub-card system obtains The frequency of state change;
S2, the sub-card system will be PON mouthfuls described corresponding to whole ONU state transfer to the user side equipment.
2. the state updating method of PON system as described in claim 1, which is characterized in that step S1Including:
S11, be directed to each PON mouthful, the sub-card system judges the frequency whether higher than a first threshold, if so then execute step Rapid S2, S is thened follow the steps if not12
S12, the sub-card system judge whether the frequency is less than a second threshold, if so then execute step S13If otherwise again Execute step S11
S13, the sub-card system will be PON mouthfuls described corresponding to whole ONU one first time interval of state delay after, transmission To the user side equipment, then terminate flow.
3. the state updating method of PON system as described in claim 1, which is characterized in that the sub-card system includes a meter Measure it is PON mouthfuls described corresponding to whole ONU state change number counter and a timer, step S1Including:
S11, be directed to each PON mouthfuls, while enabling the counter and the timer, the sub-card system judges the counting Whether the counting of device reaches a third threshold value, if so then execute step S12, S is thened follow the steps if not13
S12, judge the timer timing whether be less than one first preset duration, if then the counter counting zero And then the timing zero of the timer executes step S2If otherwise terminating flow;
S13, judge the timer timing whether be more than one second preset duration, if then the counter counting zero And then the timing zero of the timer executes step S14If otherwise executing step S again11
S14, the sub-card system will be PON mouthfuls described corresponding to whole ONU one first time interval of state delay after, transmission To the user side equipment, then terminate flow.
4. the state updating method of PON system as claimed in claim 3, which is characterized in that step S2Including:
S21, the second time interval of delay, second time interval and the first preset duration correspond;
S22, the sub-card system will be PON mouthfuls described corresponding to whole ONU state transfer to the user side equipment.
5. the state updating method of the PON system as described in any one of Claims 1-4, which is characterized in that the PON System includes a webmaster terminal, step S2After include:
S3, the webmaster terminal send the state that a solicited message asks the whole ONU being connect with the OLT to the OLT;
S4, the user side equipment send OLT with the state of all PON mouthfuls of ONU being connect to the webmaster terminal.
6. a kind of PON system, the PON system includes an OLT, and the OLT includes a user side equipment and a sub-card system, The sub-card system includes PON mouthfuls several, and every a PON mouthfuls are correspondingly connected with several ONU, which is characterized in that the sub-card system is also Including one first judgment module and a transmission module, for PON mouthfuls each, first judgment module is for judging a frequency Whether a first threshold is higher than, if then calling the transmission module, the transmission module is for corresponding to will be PON mouthfuls described For the state transfer of whole ONU to the user side equipment, the frequency is corresponding to the PON mouthfuls that the sub-card system obtains Whole ONU state change frequency.
7. PON system as claimed in claim 6, which is characterized in that the sub-card system includes one second judgment module, for PON mouthfuls each, first judgment module is for judging whether the frequency is higher than the first threshold, if described in then calling Transmission module, if otherwise calling second judgment module, second judgment module is for judging whether the frequency is less than One second threshold, if then call the transmission module will be PON mouthfuls described corresponding to whole ONU state delay one first when Between be spaced after, be transmitted to the user side equipment.
8. PON system as claimed in claim 6, which is characterized in that the sub-card system includes that the metering PON mouthfuls of institute is right Counter, a timer, a third judgment module and the 4th judgment module of the state change number of the whole ONU answered, needle To PON mouthfuls each, the counter and the timer enable simultaneously, and first judgment module is for judging the counter Counting whether reach a third threshold value, if it is described counting reach the third threshold value if call the third judgment module, if The not up to third threshold value that counts then calls the 4th judgment module,
The third judgment module is used to judge whether the timing of the timer to be less than one first preset duration, if then described The counting of counter is zeroed and the transmission module is zeroed and then calls in the timing of the timer;
4th judgment module is used to judge whether the timing of the timer to be more than one second preset duration, if then described Counter counting zero and the timer timing zero, then call the transmission module will be PON mouthfuls described corresponding to Whole ONU one first time interval of state delay after, be transmitted to the user side equipment.
9. PON system as claimed in claim 8, which is characterized in that the third judgment module is for judging the timer Timing when being less than first preset duration, call the transmission module will be PON mouthfuls described corresponding to the state of whole ONU prolong When one second time interval after, be transmitted to the user side equipment, second time interval is a pair of with the first preset duration one It answers.
10. the PON system as described in any one of claim 6 to 9, which is characterized in that the PON system includes a webmaster Terminal, the sub-card system include a transceiver module, and the transceiver module is used to receive the request that the webmaster terminal is sent Information, the state for whole ONU that the solicited message is used to ask to connect with the OLT, the transceiver module are additionally operable to institute State that webmaster terminal sends OLT with the state of all PON mouthfuls of ONU being connect.
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