CN101494497A - Method, system and equipment for managing line - Google Patents
Method, system and equipment for managing line Download PDFInfo
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- CN101494497A CN101494497A CN 200810006941 CN200810006941A CN101494497A CN 101494497 A CN101494497 A CN 101494497A CN 200810006941 CN200810006941 CN 200810006941 CN 200810006941 A CN200810006941 A CN 200810006941A CN 101494497 A CN101494497 A CN 101494497A
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- 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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Abstract
The embodiment discloses a method for line management, which is characterized by comprising the following steps of: identifying the source of an up optical signal; measuring the up optical signal before passing a repeater and/or after passing the repeater and obtaining relevant measuring data of the optical power of the up optical signal; and uploading the identifying information of the measuring data and the source of the up optical signal. The embodiment of the invention also discloses a system and a device for line management. The embodiment of the invention realizes the measurement to the optical power of the up optical signal transmitted by each ONU under the condition of no need of interrupting services, carries out management according to the measured data and locates fault points and fault cause, thus improving the maintainability and expansibility of the system and reducing the maintenance cost of the system.
Description
Technical field
The present invention relates to the optical-fiber network transmission technology, particularly relate to a kind of mthods, systems and devices of line management.
Background technology
FTTx (Fiber to the home, Fiber To The Building, the general designation of FTTP etc.) networking is at present just becoming the focus of domestic and international access network construction.Passive optical network PON (Passive Optical Network) access network technology is the best solution of the FTTx that generally acknowledges in the industry, this technology can make a plurality of users share simple optical fiber, thereby making does not need to use any active device among the optical distribution network ODN (Optical Distribution Network), promptly do not need the conversion by light-electrical-optical O-E-O (Optical-Electrical-Optical), this point greatly reduces network installation, administers and maintains cost to the framework of multiple spot.
The PON network is made up of the optical network unit ONU (Optical Network Unit) of the optical line terminal OLT (Optical Line Terminal) of office's side, user side or network terminal ONT (Optical NetworkTerminal) and ODN, as shown in Figure 1.OLT is a down direction to the transmission direction of ONU, adopts the time division multiplexing tdm mode, i.e. downlink data transmission is continuous, each ONU that issues that OLT is continuous with information broadcast, and each ONU selects one's own Data Receiving; ONU adopts the multiplexing TDMA mode of time division multiple access to the up direction that is transmitted as of OLT, and promptly upstream data sends and happens suddenly, and different ONU take different ascending time slots, and a plurality of ONU share up link by time-multiplexed mode.
In order to make a PON network can insert more user, cover wider scope, just need to prolong the distance of OLT and ODN, increase the ratio of the branch of ODN, these all can increase the decay of light signal in the network.So need increase repeater Extender in network, the decay that comes compensating signal makes the receiver of OLT and ONU can operate as normal.Extender can realize by the mode of OEO or image intensifer OA (Optical Amplifier).
In PON network design and running, for better control management system, fault location point and failure cause need to measure before each ONU process Extender and/or the luminous power of uplink optical signal afterwards more accurately.
Summary of the invention
The problem that the embodiment of the invention will solve provides a kind of line management method, be implemented under the situation that does not need interrupting service, the measurement of the luminous power of the uplink optical signal that each ONU is sent, thereby better control and management circuit, fault location point and failure cause more accurately, improve maintainability, the autgmentability of circuit, reduce the line upkeep cost.
For achieving the above object, the embodiment of the invention proposes a kind of method of line management on the one hand, it is characterized in that, comprising:
The source of identification uplink optical signal;
Measure through before the repeater and/or, obtain the measurement data relevant with the luminous power of described uplink optical signal through the described uplink optical signal after the described repeater;
Upload the identifying information in described measurement data and described uplink optical signal source.
On the other hand, the embodiment of the invention has also proposed a kind of method of line management, it is characterized in that, comprising:
Detect having/not having of uplink optical signal;
According to the result of described detection, measure through before the repeater and/or through the described uplink optical signal after the described repeater, obtain the measurement data relevant with the luminous power of described uplink optical signal;
The temporal information of uploading described measurement data and described measurement is to optical line terminal OLT.
On the other hand, the embodiment of the invention has also proposed a kind of system of line management, it is characterized in that, comprises ONU, comprises the repeater and the OLT of line management device:
Described ONU is used to send uplink optical signal;
The described repeater that comprises the line management device is used to gain and measure the uplink optical signal that described ONU sends, and obtains the measurement data relevant with the luminous power of described uplink optical signal, and uploads described measurement data to described OLT;
Described OLT is used to receive the described measurement data that the described repeater that comprises the line management device is uploaded.
On the other hand, the embodiment of the invention has also proposed a kind of device of line management, it is characterized in that, comprising:
The source identification module is used to discern the source of uplink optical signal;
Power measurement module is used to measure through before the repeater and/or through the uplink optical signal after the described repeater, obtains the measurement data relevant with the luminous power of described uplink optical signal;
The data upload module is used to upload the measurement data of described power measurement module and the identifying information of described source identification module.
On the other hand, the embodiment of the invention has also proposed a kind of device of line management, is used for measuring the luminous power of the uplink optical signal of the PON that has increased repeater, it is characterized in that, comprising:
Signal detection module is used to detect having/not having of uplink optical signal;
Power measurement module is used for the testing result according to described signal detection module, measures through before the repeater and/or through the uplink optical signal after the described repeater, obtains the measurement data relevant with the luminous power of described uplink optical signal;
The data upload module is used to upload the measurement data of described power measurement module and the temporal information of described measurement arrives OLT.
The technical scheme of the embodiment of the invention has the following advantages, because adopted on Extender measuring light power at uplink optical signal, carry out line management method, thereby under the situation that does not need interrupting service, make OLT can accurately measure the up luminous power of each ONU, certainty of measurement is better than a microwatt, and Measuring Time is less than a microsecond; And can only measure the up luminous power that needs to measure ONU according to the configuration of system; Be supported in the time of a uplink frame, measure luminous power with all ONU in the PON system of 128 ONU; Better control management system, fault location point and failure cause more accurately, and be convenient to system extension when the new ONU of increase, do not need to increase relevant configuration.Reach the maintainability of raising system, the effect of reduction maintenance cost.
Description of drawings
Fig. 1 is the tree topology of passive optical network in the prior art;
Fig. 2 is the tree topology that has increased the passive optical network behind the Extender;
Fig. 3 is the schematic flow sheet of a kind of line management method of resolving based on uplink frame in the embodiment of the invention one;
Fig. 4 is the structural representation of the uplink frame of EPON;
Fig. 5 is the structural representation of the uplink frame of GPON;
Fig. 6 is the schematic flow sheet of a kind of line management method of resolving based on downlink frame in the embodiment of the invention two;
Fig. 7 is the structural representation of the downlink frame of GPON;
Fig. 8 is the schematic flow sheet of a kind of line management method that has or not based on real-time sensed light signal in the embodiment of the invention three;
Fig. 9 is a kind of schematic flow sheet based on the line management method that writes down the uplink optical signal transmitting time in the embodiment of the invention four;
Figure 10 is for being provided with the lightray propagation path schematic diagram of the passive optical network of Guard Time in the embodiment of the invention four;
Figure 11 is the structural representation of a kind of circuit management system in the embodiment of the invention five;
Figure 12 is the structural representation of a kind of line management device of resolving based on uplink frame in the embodiment of the invention six;
Figure 13 is the structural representation of a kind of line management device of resolving based on downlink frame in the embodiment of the invention seven;
Figure 14 is the structural representation of a kind of line management device that has or not based on real-time sensed light signal in the embodiment of the invention eight;
Figure 15 is a kind of structural representation based on the line management device that writes down the uplink optical signal transmitting time in the embodiment of the invention nine.
Embodiment
The embodiment of the invention provides a kind of method of line management, be implemented under the situation that does not need interrupting service, the measurement of the luminous power of the uplink optical signal that each ONU is sent, thereby better control management system, fault location point and failure cause more accurately, the maintainability of raising system, autgmentability have reduced the system maintenance cost.
Fig. 2 has added the PON network topology structure behind the Extender.
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail:
As shown in Figure 3, be the embodiment of the invention one, a kind of line management method of resolving based on uplink frame may further comprise the steps:
Step S301, Extender resolve the uplink frame of ONU.
In Ethernet passive optical network EPON and gigabit passive optical network GPON uplink frame structure, all include the source-information of uplink optical signal:
The uplink frame structure of EPON at first is the lead code Preamble of 8 bytes as shown in Figure 4, and the 6th and the 7th byte of lead code is LLID LLID, just the ONU sign.
The uplink frame structure of GPON at first is the lead code Preamble of a byte as shown in Figure 5, is the delimiter Delimiter of b byte then, and the back is the ONU sign of difference parity check BIP and 1 byte between the bit of 1 byte length.
Step S302, after parsing ONU sign, just clearly knowing has an ONU uploading this moment, starts the measurement of uplink optical signal luminous power.
Step S303, measure this uplink optical signal through before the Extender and/or through the luminous power after the Extender.Because Extender realizes by the mode of OEO or OA, so i.e. measurement is through before the OEO/OA and/or through the luminous power after the OEO/OA.
When the signal transmission situation of circuit between ONU and the Extender is measured in hope, measure this uplink optical signal through the luminous power before the Extender;
When the signal transmission situation of circuit between Extender and the OLT is measured in hope, measure this uplink optical signal through the luminous power after the Extender;
When Extender is measured in hope to the gain situation of uplink optical signal, measure this uplink optical signal through the luminous power before the Extender and this uplink optical signal through the luminous power after the Extender.
In the concluding time that step S304, the ONU that is resolved to upload arrives or before arriving, finish the measurement of uplink optical signal luminous power in uplink frame.
Know the concluding time that ONU uploads according to the length information in the GEM frame head among Length/Type among the EPON or the GPON, when the concluding time arrives or before arriving, finish the measurement of uplink optical signal luminous power.
Step S305, upload measurement data and identifying information.In recording powers of laser beam, the ONU sign of record uplink optical signal this moment when OLT uploads data, is uploaded measurement data and ONU sign together simultaneously.
Measurement data is the optical power value or the sampled data of this uplink optical signal.
If sampled data then calculates luminous power by OLT according to described sampled data.Sampled data comprises numerical value such as voltage, electric current.
As shown in Figure 6, be the embodiment of the invention two, a kind of line management method of resolving based on downlink frame may further comprise the steps:
Step S601, Extender resolve the downlink frame of OLT, obtain the authorization message that ONU uploads light signal.
In GPON downlink frame structure, include the authorization message that ONU uploads, as shown in Figure 7, in bandwidth map US BW map territory, OLT is that each transmission container T-CONT distributes time slot, promptly distributes and uploads time started and concluding time, distinguishes by allocation identification Alloc-ID between the T-CONT.Each ONU can comprise one or more T-CONT, has determined uploading the time started and uploading the concluding time of each ONU then for the T-CONT distributed time slot, thereby has determined the order of uploading of a plurality of ONU.
Step S602, when the beginning uplink time that write down arrives, start the measuring light power of uplink optical signal in the downlink frame authorization message.
Extender is by resolving downlink frame, knows that clearly being carved with which ONU when a certain uploads, and when the time that begins to upload arrives, starts the measurement of uplink optical signal luminous power.
Step S603, measure this uplink optical signal, promptly measure through before the OEO/OA and/or through the luminous power after the OEO/OA through before the Extender and/or through the luminous power after the Extender.
When the signal transmission situation of circuit between ONU and the Extender is measured in hope, measure this uplink optical signal through the luminous power before the Extender;
When the signal transmission situation of circuit between Extender and the OLT is measured in hope, measure this uplink optical signal through the luminous power after the Extender;
When Extender is measured in hope to the gain situation of uplink optical signal, measure this uplink optical signal through the luminous power before the Extender and this uplink optical signal through the luminous power after the Extender.
In the time that step S604, the end of being write down are uploaded arrives or before arriving, finish the measuring light power of uplink optical signal in the downlink frame authorization message.
Step S605, upload measurement data and identifying information.In recording powers of laser beam, the ONU sign of signal uploaded this moment in record simultaneously, when OLT uploads data, measurement data and ONU sign uploaded together.
Measurement data is the optical power value or the sampled data of this uplink optical signal.
If sampled data then calculates luminous power by OLT according to described sampled data.Sampled data comprises numerical value such as voltage, electric current.
As shown in Figure 8, be the embodiment of the invention three, a kind of line management method that has or not based on real-time sensed light signal may further comprise the steps:
Step S801, Extender detect having or not of uplink optical signal in real time, and resolve the uplink frame of ONU.
By resolving the uplink frame of ONU, obtain the ONU sign, thereby determine the source of this uplink optical signal.
Step S802, when detecting a no light signal to the variation that light signal is arranged, promptly thinking has certain ONU uploading data this moment, starts the measuring light power of uplink optical signal.
Step S803, measure this uplink optical signal, promptly measure through before the OEO/OA and/or through the luminous power after the OEO/OA through before the Extender and/or through the luminous power after the Extender.
When the signal transmission situation of circuit between ONU and the Extender is measured in hope, measure this uplink optical signal through the luminous power before the Extender;
When the signal transmission situation of circuit between Extender and the OLT is measured in hope, measure this uplink optical signal through the luminous power after the Extender;
When Extender is measured in hope to the gain situation of uplink optical signal, measure this uplink optical signal through the luminous power before the Extender and this uplink optical signal through the luminous power after the Extender.
Step S804, light signal is arranged when not having the variation of light signal, think that promptly this ONU uploads end, finish the measuring light power of uplink optical signal when detecting one.
Step S805, upload measurement data and identifying information.By resolving the uplink frame of ONU, know it is which ONU is uploading at this moment, in recording powers of laser beam, will resolve the ONU sign that obtains and magnitude of power record together in the uplink frame.When OLT uploads data, measurement data and ONU sign are uploaded together.
Measurement data is the optical power value or the sampled data of this uplink optical signal.
If sampled data then calculates luminous power by OLT according to described sampled data.Sampled data comprises numerical value such as voltage, electric current.
In actual applications, may connect 0 owing to existing in the uplink optical signal, it is no light signal that Extender can be identified as the uplink optical signal state, stops power measurement; When the company in this uplink optical signal 0 finishes, Extender can be identified as the uplink optical signal state for light signal is arranged, starting power is measured, because above-mentioned uplink optical signal is actual is that same ONU sends, so can not detect new ONU sign from uplink frame, the Extender acquiescence adopts the testing result of previous ONU sign.
As shown in Figure 9, be the embodiment of the invention four, a kind of line management method based on record uplink optical signal transmitting time may further comprise the steps:
Step S901, Extender detect having/not having of uplink optical signal in real time.
ODN converges the uplink optical signal of a plurality of ONU, forms serial signal between the Extender entering, and wherein, is useful on the guard time Guard Time that avoids a conflict between the signal of adjacent two ONU, during this period of time without any light signal, as shown in figure 10.
When detecting Guard Time, be identified as an ONU and send the uplink optical signal end.
Step S902, when detecting a no light signal when the variation of light signal is arranged, promptly thinking has certain ONU uploading data this moment, starts the measuring light power of uplink optical signal, and recording start time of measuring.
Step S903, measure this uplink optical signal, promptly measure through before the OEO/OA and/or through the luminous power after the OEO/OA through before the Extender and/or through the luminous power after the Extender, and the record measurement data.
When the signal transmission situation of circuit between ONU and the Extender is measured in hope, measure this uplink optical signal through the luminous power before the Extender;
When the signal transmission situation of circuit between Extender and the OLT is measured in hope, measure this uplink optical signal through the luminous power after the Extender;
When Extender is measured in hope to the gain situation of uplink optical signal, measure this uplink optical signal through the luminous power before the Extender and this uplink optical signal through the luminous power after the Extender.
Step S904, light signal is arranged when not having the variation of light signal, think that promptly this ONU uploads end, finish the measuring light power of uplink optical signal when detecting one, and record end time of measuring.
Step S905, upload measurement data and corresponding measurement temporal information to OLT.Because which OLT clearly know time should be which ONU is uploading,, thereby obtain each ONU uplink optical signal through before Extender and luminous power afterwards so OLT can judge the pairing ONU of luminous power of record according to the time value of record.
The temporal information of measuring specifically comprises:
The time started and the concluding time of measuring; Or,
The time started and the duration of measuring.
Measurement data is the optical power value or the sampled data of this uplink optical signal.
If sampled data then calculates luminous power by OLT according to described sampled data.Sampled data comprises numerical value such as voltage, electric current.
In actual applications, may connect 0 owing to existing in the uplink optical signal, it is no light signal that Extender can be identified as the uplink optical signal state, stops power measurement; When the company in this uplink optical signal 0 finishes, Extender can be identified as the uplink optical signal state for light signal is arranged, starting power is measured, send the time period of uplink optical signal owing to clearly know each ONU among the OLT, so, even the uplink optical signal that Extender sends same ONU has carried out repeatedly measuring, and a plurality of Measuring Time information have been write down, if belong in the time period that same ONU sends uplink optical signal, then will these a plurality of measurement data be classified as the measurement data of the uplink optical signal that same ONU sends but OLT discerns these a plurality of Measuring Time information of same.
As Figure 11, be the embodiment of the invention five, a kind of circuit management system comprises ONU 1, comprises the Extender 2 and the OLT 3 of line management device 21:
The Extender 2 that comprises line management device 21 is used to gain and measures the luminous power of the uplink optical signal that ONU 1 sends, and uploads the result of described measurement to OLT 3;
Wherein, line management device 21 is used to measure the luminous power of the uplink optical signal that ONU 1 sends, and comprising:
A kind of line management device of resolving based on uplink frame is as described in the embodiment of the invention six, embodiment seven and embodiment eight; Or,
A kind of line management device based on record uplink optical signal transmitting time is as described in the embodiment of the invention nine.
As Figure 12, be the embodiment of the invention six, a kind of line management device of resolving based on uplink frame comprises:
Data upload module 3 is used to upload the measurement data of power measurement module 2 and the identifying information of source identification module 1.
Wherein, source identification module 1 comprises:
Uplink frame analyzing sub-module 11 is used to resolve the frame of the uplink optical signal that Extender receives, and obtains the length information of ONU sign and uplink optical signal.
Wherein, the line management device also comprises measures control module 4, is used for identifying information power controlling measurement module 2 beginning measuring light powers or end measuring light power according to source identification module 1.
As shown in figure 13, be the embodiment of the invention seven, a kind of line management device of resolving based on downlink frame comprises source identification module 1, power measurement module 2, the data upload module 3 in the embodiment of the invention six and measures control module 4.
Wherein, source identification module 1 comprises:
Downlink frame analyzing sub-module 12, the ONU that frame comprised that is used for the downlink optical signal that Extender receives uploads authorization message.
As shown in figure 14, be the embodiment of the invention eight, a kind of line management device that has or not based on real-time sensed light signal comprises source identification module 1, power measurement module 2, the data upload module 3 in the embodiment of the invention six and measures control module 4.
Wherein, source identification module 1 comprises:
Uplink frame analyzing sub-module 14 is used for the testing result according to input submodule 13, resolves the frame of the uplink optical signal that Extender received, and obtains the ONU sign.
Shown in Figure 15, be the embodiment of the invention nine, a kind of based on the line management device that writes down the uplink optical signal transmitting time, be used for measuring the luminous power of the uplink optical signal of the PON that has increased Extender, it is characterized in that, comprising:
Data upload module 3, the temporal information that is used to upload the measurement data of power measurement module 2 and measurement is to optical line terminal OLT.
Wherein, the line management device also comprises control module 4, is used for the testing result according to signal detection module 1, power controlling measurement module 2 beginning measuring light powers or end measuring light power.
The technical scheme of the embodiment of the invention has the following advantages, measure at up luminous power because adopted on Extender, realize the method for line management, thereby under the situation that does not need interrupting service, make OLT can accurately measure the up luminous power of each ONU, certainty of measurement is better than a microwatt, and Measuring Time is less than a microsecond; And can only measure the up luminous power that needs to measure ONU according to the configuration of system; Be supported in the time of a uplink frame, measure luminous power with all ONU in the PON system of 128 ONU; Better control management system, fault location point and failure cause more accurately, and be convenient to system extension when the new ONU of increase, do not need to increase relevant configuration.Reach the maintainability of raising system, the effect of reduction maintenance cost.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be looked protection scope of the present invention.
Claims (21)
1, a kind of method of line management is characterized in that, comprising:
The source of identification uplink optical signal;
Measure through before the repeater and/or, obtain the measurement data relevant with the luminous power of described uplink optical signal through the described uplink optical signal after the described repeater;
Upload the identifying information in described measurement data and described uplink optical signal source.
2, the method for line management according to claim 1 is characterized in that the method in the source of described identification uplink optical signal specifically comprises:
The source of the described uplink optical signal of optical network unit ONU sign identification that is comprised in the frame according to the described uplink optical signal that described repeater received; Or,
The ONU that is comprised in the frame according to the downlink optical signal that described repeater received uploads the source that authorization message is discerned described uplink optical signal.
As the method for line management as described in the claim 2, it is characterized in that 3, the source of the described uplink optical signal of ONU sign identification that is comprised in the described frame according to the described uplink optical signal that repeater received specifically comprises:
Resolve the frame in the uplink optical signal, when in being resolved to described frame, comprising the ONU sign,, discern the source of described uplink optical signal, and further resolve the length information of described uplink optical signal according to described ONU sign; Or,
That detects uplink optical signal has/does not have, when detecting the variation that uplink optical signal grows out of nothing, begins to resolve the frame in the described uplink optical signal, identifies according to the ONU that is comprised in the described frame, discerns the source of described uplink optical signal.
4, as the method for line management as described in the claim 2, it is characterized in that the ONU that is comprised in the described frame according to the downlink optical signal that repeater received uploads the source that authorization message is discerned described uplink optical signal, specifically comprises:
Obtain to send the ONU sign of uplink optical signal mandate and time started and the concluding time that each ONU sends uplink optical signal.
As the method for line management as described in the claim 3, it is characterized in that 5, described measurement obtains the measurement data relevant with the luminous power of described uplink optical signal through before the repeater and/or through the described uplink optical signal after the described repeater, specifically comprises:
In the frame that is resolved to described uplink optical signal, comprise the ONU sign, begin described measurement;
Calculate concluding time of described uplink optical signal according to the length information of described uplink optical signal, and before the described concluding time arrives or described concluding time when arriving, finish described measurement.
6, as the method for line management as described in the claim 5, it is characterized in that, described before the concluding time arrives or described concluding time when arriving, finish described measurement, specifically can set according to the data sample quantity of the required collection of described measuring light power.
7, as the method for line management as described in the claim 3, it is characterized in that, described measurement obtains the measurement data relevant with the luminous power of described uplink optical signal through before the repeater and/or through the described uplink optical signal after the described repeater, further comprises:
When detecting the variation that uplink optical signal grows out of nothing, begin described measurement;
When detecting the variation of uplink optical signal from having to do not having, finish described measurement.
8, a kind of method of line management is characterized in that, comprising:
Detect having/not having of uplink optical signal;
According to the result of described detection, measure through before the repeater and/or through the described uplink optical signal after the described repeater, obtain the measurement data relevant with the luminous power of described uplink optical signal;
The temporal information of uploading described measurement data and described measurement is to optical line terminal OLT.
9, as the method for line management as described in the claim 8, it is characterized in that, described according to the result who detects, measure described uplink optical signal through before the described repeater and/or described uplink optical signal through the luminous power after the described repeater, further comprise:
When detecting the variation that uplink optical signal grows out of nothing, begin described measurement;
When detecting the variation of uplink optical signal from having to do not having, finish described measurement.
10, as the method for line management as described in the claim 8, it is characterized in that the temporal information of described measurement specifically comprises:
The time started of described measurement and concluding time; Or,
The time started of described measurement and duration.
As the method for line management as described in the claim 8, it is characterized in that 11, the temporal information of the described data of uploading described measurement and described measurement also comprises afterwards to OLT:
Described OLT judges the pairing ONU of described measurement data according to the temporal information of described measurement.
12, a kind of system of line management is characterized in that, comprises ONU, comprises the repeater and the OLT of line management device:
Described ONU is used to send uplink optical signal;
The described repeater that comprises the line management device is used to gain and measure the uplink optical signal that described ONU sends, and obtains the measurement data relevant with the luminous power of described uplink optical signal, and uploads described measurement data to described OLT;
Described OLT is used to receive the described measurement data that the described repeater that comprises the line management device is uploaded.
13, as the system of line management as described in the claim 12, it is characterized in that described line management device comprises:
The source identification module is used to discern the source of uplink optical signal;
Power measurement module is used to measure through before the repeater and/or through the uplink optical signal after the described repeater, obtains the measurement data relevant with the luminous power of described uplink optical signal;
The data upload module is used to upload the measurement data of described power measurement module and the identifying information of described source identification module.
14, as the system of line management as described in the claim 12, it is characterized in that described line management device comprises:
Signal detection module is used to detect having/not having of uplink optical signal;
Power measurement module is used for the testing result according to described signal detection module, measures through before the repeater and/or through the uplink optical signal after the described repeater, obtains the measurement data relevant with the luminous power of described uplink optical signal;
The data upload module is used to upload the measurement data of described power measurement module and the temporal information of described measurement arrives OLT.
15, a kind of device of line management is characterized in that, comprising:
The source identification module is used to discern the source of uplink optical signal;
Power measurement module is used to measure through before the repeater and/or through the uplink optical signal after the described repeater, obtains the measurement data relevant with the luminous power of described uplink optical signal;
The data upload module is used to upload the measurement data of described power measurement module and the identifying information of described source identification module.
16, as the device of line management as described in the claim 15, it is characterized in that described source identification module comprises:
The uplink frame analyzing sub-module is used to resolve the frame of the described uplink optical signal that described repeater receives, and obtains the length information of ONU sign and described uplink optical signal.
17, as the device of line management as described in the claim 15, it is characterized in that described source identification module comprises:
The downlink frame analyzing sub-module, the ONU that frame comprised that is used for the downlink optical signal that described repeater receives uploads authorization message.
18, as the device of line management as described in the claim 15, it is characterized in that described source identification module comprises:
The input submodule is used to detect having/not having of uplink optical signal;
The uplink frame analyzing sub-module is used for the testing result according to described input submodule, resolves the frame of the described uplink optical signal that described repeater receives, and obtains the ONU sign.
19, as the device of line management as described in the claim 15, it is characterized in that, also comprise the measurement control module, be used for controlling described power measurement module and begin to measure or finish and measure according to the identifying information of described source identification module.
20, a kind of device of line management is used for measuring the luminous power of the uplink optical signal of the PON that has increased repeater, it is characterized in that, comprising:
Signal detection module is used to detect having/not having of uplink optical signal;
Power measurement module is used for the testing result according to described signal detection module, measures through before the repeater and/or through the uplink optical signal after the described repeater, obtains the measurement data relevant with the luminous power of described uplink optical signal;
The data upload module is used to upload the measurement data of described power measurement module and the temporal information of described measurement arrives OLT.
21, as the device of line management as described in the claim 20, it is characterized in that, also comprise the measurement control module, be used for testing result, control described power measurement module and begin to measure or finish and measure according to described signal detection module.
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WO2011116560A1 (en) * | 2010-03-23 | 2011-09-29 | 中兴通讯股份有限公司 | Method and equipment for measuring reception optical power of optical network unit |
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