CN102546966B - Method and passive optical network terminal used for realizing subscriber line autonomous testing - Google Patents
Method and passive optical network terminal used for realizing subscriber line autonomous testing Download PDFInfo
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- CN102546966B CN102546966B CN201010589604.6A CN201010589604A CN102546966B CN 102546966 B CN102546966 B CN 102546966B CN 201010589604 A CN201010589604 A CN 201010589604A CN 102546966 B CN102546966 B CN 102546966B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
- H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
- H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
- H04M3/308—Craftsperson test terminals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/08—Indicating faults in circuits or apparatus
- H04M3/085—Fault locating arrangements
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- Monitoring And Testing Of Exchanges (AREA)
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Abstract
The invention provides a method and a passive optical network terminal used for realizing subscriber line autonomous testing. The method comprises the following steps of: starting a testing command after the passive optical network terminal receives a test request; driving subscriber line hardware to carry out subscriber line testing according to the testing command; and analyzing test result and outputting the test result. By adopting the method and the passive optical network terminal provided by the invention, the traditional manual testing method depending on an instrument is broken through, and automation and intellectualization on line testing are realized.
Description
Technical field
The present invention relates to electronic communication field, be particularly related to wired optical communication EPON(Ethernet passive optical network), GPON(gigabit passive optical network) etc. realize method and the passive light network terminal of the subscriber's line self-test of traditional analog circuit access under multimedia gateway.
Background technology
Subscriber's line refers to subscriber equipment installation site and the link between the local telecommunication office of service is provided.Traditional telecommunications network---PSTN(PSTN) access of analog subscriber circuit is mainly provided, realize user's voice call demand.PSTN is the circuit switched service based on standard telephone line, with the method for attachment that connects remote endpoint.
Along with the development of mechanics of communication, the especially rise of the transmission means taking IP, optical communication technology etc. as representative, the VOIP(IP phone that the circuit switching of PSTN is core with IP gradually) voice technology substituted.PSTN exits historical stage gradually, and the target of telecommunications network, computer network and cable television network three macroreticular unifications forms gradually.But for hundreds of millions of families and personal user, traditional telephone set has become requisite equipment in family, work and life, within a very long time, can not be eliminated.Therefore, although at present FTTH(Fiber to the home), FTTB(optical fiber is to building) and FTTO(Fiber-To-The-Office) light access solution is taking optical communication and IP as core, but in the terminal equipment of user's incoming end, the access of traditional analog line is provided, realizes the voice call part that is absolutely necessary.
Owing to using the large contingent of analog line access, the situation more complicated at user scene, the out of order possibility of subscriber's line is also just larger.Therefore, subscriber's line is carried out to necessary test and failure diagnosis, for telecommunications service provider, just seem very necessary.In FTTx light access solution, access terminal and be generally positioned at the building at user's family or user place.In the time that subscriber's line breaks down, user can complain to telecommunications service provider.Receive after complaint, the telecommunications service provider scene of need to sending someone is tested and troubleshooting circuit.Refer to that attendant need to carry special instrument, such as universal instrument, line testing instrument etc., measure the voltage, electric current, impedance, electric capacity of subscriber's line etc., judge whether short circuit, whether contact with power line, or swinging cross etc.If confirm physical circuit existing problems, will keep in repair.If physical circuit is normal, further check other problems.This mode of dealing with problems, exist testing complex, test process all very important person operate, time and effort consuming, test result analysis and line diagnosis are depended on to tester's quality, the difficulty etc. of pinpointing the problems.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of method and passive light network terminal of realizing subscriber's line self-test, to facilitate user to find in time circuit question.
In order to solve the problems of the technologies described above, the invention provides a kind of method that realizes subscriber's line self-test, comprising:
Passive light network terminal receives after test request, starts test command;
Drive subscriber's line hardware to carry out line testing according to described test command;
Test result is analyzed to rear output.
Further, said method also has feature below: described in receive test request step comprise: receive after the number that user dials, analyzing described number is predetermined number.
Further, said method also has feature below: the described step that drives subscriber's line hardware to carry out line testing according to described test command comprises:
According to electrical characteristic, described test command is decomposed into multiple test subitems;
The test subitem of selecting according to user drives subscriber's line hardware to carry out corresponding line testing.
Further, said method also has feature below: the described step that drives subscriber's line hardware to carry out line testing according to described test command comprises:
According to electrical characteristic, described test command is decomposed into multiple test subitems;
Drive subscriber's line hardware to carry out corresponding line testing according to described test subitem one by one.
Further, said method also has feature below: described test subitem comprises: one or more in voltage tester, testing current, resistance test, capacity measurement, feed test and ringing test.
Further, said method also has feature below: the described step that test result is analyzed to rear output comprises:
Described test result is analyzed, generated test report;
Obtain the corresponding voice medium resource prestoring according to described test report, then play described voice medium resource.
In order to address the above problem, the present invention also provides a kind of passive light network terminal, comprising:
Test command administration module, for receiving after test request, starts test command;
Test driver module, for driving subscriber's line hardware to carry out line testing according to described test command;
Test result processing module, for analyzing rear output to test result.
Further, above-mentioned passive light network terminal also has feature below: described test command administration module comprises:
Receiving element, the number of dialing for receiving user;
Analytic unit, for analyzing whether the number that described user dials is predetermined number, if so, starts test command.
Further, above-mentioned passive light network terminal also has feature below:
Described test command administration module also comprises resolving cell, for described test command being decomposed into multiple test subitems according to electrical characteristic, described test subitem comprises: one or more in voltage tester, testing current, resistance test, capacity measurement, feed test and ringing test;
Described test driver module, for selecting the test subitem that described test command administration module decomposes to drive subscriber's line hardware to carry out corresponding line testing according to user.
Further, above-mentioned passive light network terminal also has feature below:
Described test command administration module, also, for described test command being decomposed into multiple test subitems according to electrical characteristic, described test subitem comprises: one or more in voltage tester, testing current, resistance test, capacity measurement, feed test and ringing test;
Described test driver module, drives subscriber's line hardware to carry out corresponding line testing for the test subitem decomposing according to described test command administration module one by one.
Further, above-mentioned passive light network terminal also has feature below: also comprise resource module, for storing voice medium resource corresponding to multiple test result;
Test result processing module comprises:
Generation unit, for described test result is analyzed, generates test report;
Acquiring unit, for obtaining corresponding voice medium resource according to described test report from described resource module;
Broadcast unit, the voice medium resource of obtaining for playing described acquiring unit.
Further, above-mentioned passive light network terminal also has feature below: described test result processing module comprises:
Generation unit, for described test result is analyzed, triggers and sets up unit after generation test report;
The described unit of setting up, for setting up media channel with media server;
Transmitting element, for utilizing described media channel that described test report is sent to described media server.
The invention provides a kind of method and passive light network terminal of realizing circuit self-test, to realize the circuit test and loop line test function of subscriber's line, interior lines refer to loop current test, Feed Voltage Test and ringing voltage test, and outside line refers to voltage tester, resistance test, capacity measurement; And circuit is carried out to accident analysis and diagnosis.Test is initiatively initiated by user, PON terminal complete test and by diagnostic result voice broadcast to user, the server that test result can be uploaded to telecommunications service provider is simultaneously put on record.The invention provides one line testing process easily, facilitate user to find in time circuit question and solve circuit question.
Compared with prior art, the present invention has realized the circuit test and loop line test function of subscriber's line in PON terminal: voltage tester, resistance test, capacity measurement, loop current test, Feed Voltage Test and the ringing voltage test etc. of circuit, break through the method that traditional artificial dependence instrument is tested, realized automation and the intellectuality of line test.In addition, the present invention also provides a kind of method that realizes circuit self-test, makes the very simple of line test change, and user's off-hook is dialled * ##* can complete line test and test result report, greatly facilitates the carrying out of line test.
Brief description of the drawings
Fig. 1 is the schematic diagram of the PON terminal of one embodiment of the invention;
Fig. 2 is the schematic diagram of the PON terminal of another embodiment of the present invention;
Fig. 3 is the flow chart of the method that realizes subscriber's line self-test of the present invention;
Fig. 4 is the schematic diagram of the PON terminal of yet another embodiment of the invention;
Fig. 5 is the hardware configuration schematic diagram of the PON terminal of yet another embodiment of the invention;
Fig. 6 is the flow chart of the method that realizes subscriber's line self-test of the embodiment of the present invention.
Embodiment
In order to understand better the present invention, below in conjunction with the drawings and specific embodiments, the present invention is further described.
Fig. 1 is the schematic diagram of the PON terminal of one embodiment of the invention, and as shown in Figure 1, the PON terminal of the present embodiment comprises: test command administration module, test driver module and test result processing module, wherein,
Test command administration module, for receiving after test request, starts test command;
Test driver module, for driving subscriber's line hardware to carry out line testing according to described test command;
Test result processing module, for analyzing rear output to test result.
Like this, the PON terminal of the present embodiment can be carried out line testing automatically, and need to not test by other testing tools, greatly facilitates the test of subscriber's line.
In the present embodiment, described test command administration module can comprise:
Receiving element, the number of dialing for receiving user;
Analytic unit, for analyzing whether the number that described user dials is predetermined number, if so, starts test command.
In the present embodiment, described test command administration module also can be used for, according to electrical characteristic, described test command is decomposed into multiple test subitems, and described test subitem comprises: one or more in voltage tester, testing current, resistance test, capacity measurement, feed test and ringing test;
Described test driver module is for select the test subitem that described test command administration module decomposes to drive subscriber's line hardware to carry out corresponding line testing according to user, or the test subitem decomposing according to described test command administration module one by one drives subscriber's line hardware to carry out corresponding line testing automatically.
The PON terminal of the present embodiment can also comprise: resource module, for storing voice medium resource corresponding to multiple test result, test result processing module can directly be obtained voice medium resource corresponding to test result and reports from this resource module like this.
Wherein, test result processing module can comprise:
Generation unit, for described test result is analyzed, generates test report;
Acquiring unit, for obtaining corresponding voice medium resource according to described test report from described resource module;
Broadcast unit, the voice medium resource of obtaining for playing described acquiring unit.
In another embodiment, as shown in Figure 2, described test result processing module can comprise:
Generation unit, for described test result is analyzed, triggers and sets up unit after generation test report;
The described unit of setting up, for setting up media channel with media server;
Transmitting element, for utilizing described media channel that described test report is sent to described media server.
Certainly, the functional module of PON terminal of the present invention also can have different divisions according to different functions, for example, and embodiment mono-and embodiment bis-.
PON terminal in the embodiment of the present invention refers to that user oriented EPON accesses terminal, for example, the mono-home unit of SFU(), MDU(multitenant unit), ONU etc. is PON terminal.
Similar on the practical function of these PON terminals, be according to different business demands, different users, equipment form is different.
Fig. 3 is the flow chart of the method that realizes subscriber's line self-test of the present invention, and as shown in Figure 3, this method comprises step below:
S10, PON terminal receive after test request, start test command;
S20, drive subscriber's line hardware to carry out line testing according to described test command;
S30, test result is analyzed to rear output.
In step S10, PON terminal is receiving after the number that user dials, and is predetermined number if analyze described number, starts test command; Otherwise, by normal call flow processing.
In step S20, PON terminal is further decomposed into multiple test subitems according to electrical characteristic by described test command; Then the test subitem of selecting according to user drives subscriber's line hardware to carry out corresponding line testing, also can automatically drive subscriber's line hardware to carry out corresponding line testing according to described test subitem one by one.
Wherein, described test subitem can comprise: one or more in voltage tester, testing current, resistance test, capacity measurement, feed test and ringing test.
In step S30, PON terminal is analyzed rear output to test result and specifically be can be implemented as:
PON terminal is analyzed described test result, then generates test report; Obtain according to described test report the corresponding voice medium resource prestoring again, so rear line is play described voice medium resource.
Wherein, can be pre-stored in PON terminal and voice medium resource that various test results are corresponding, PON terminal can directly obtain according to described test report the corresponding voice medium resource prestoring, and so rear line is play described voice medium resource.The voice medium resource corresponding with various test results also can be stored on media server, PON terminal can send to media server by test report, obtained the corresponding voice medium resource prestoring according to described test report by media server, so rear line is play described voice medium resource.
With two embodiment, method of the present invention is described in detail below.
Embodiment mono-
As shown in Figure 4, the PON terminal of the present embodiment can comprise functional module below:
Subscriber's line driver module 103, realizes the control to subscriber's line hardware, drives hardware to complete the functions such as ring, feed, test, and detects the state of subscriber's line and user's dislodging machine etc.
Particularly, subscriber's line driver module 103 can be realized the functions such as feed output, ring control, line status control and voice signal encoding and decoding to subscriber's line by subscriber's line hardware interface 102, and subscriber's line hardware interface 102 is mainly to provide the analog subscriber circuit interface of standard.
Test driver module mentioned above comprises subscriber's line hardware interface 102 and the subscriber's line driver module 103 in the present embodiment.
Test command administration module 105, comprises subscriber's line selection, test item selection, testing time and test control etc., forms a test command.The test command on the one hand user being sent is analyzed, and is decomposed into the achievable subitem test of hardware, sends to subscriber's line driver module to complete corresponding test; Realize on the other hand the switching of test process state machine, for example, be switched to test mode from talking state, or be switched to talking state from test mode, the initial data of test is carried out to simple process, report test result processing module 104.
Test result processing module 104, receives test result, and test result is carried out to analyzing and processing, forms test report; To out of order circuit, the failure cause of analysis circuit, with guides user investigation fault.
Database 106, storage standards line parameter circuit value characteristic, test model data, abnormal circuit model data etc., store the nearest test result data of this circuit on the other hand on the one hand, facilitates track problems.
DSP(Digital Signal Processing, Digital Signal Processing) module 107, for complete voice signal processing, pack, unpack, DTMF(Dual Tone Multi Frequency, dual-tone multifrequency) detect etc.Particularly, complete voice signal processing, receive IP side media bag, after processing, send to substation 101; Voice to substation 101 are processed, complete collect the digits, the function such as playback.
In the present embodiment, relating to local side apparatus has:
Media server 110, storaged voice media resource, for subscriber's line is play to media data, in embodiments of the present invention, is mainly after test completes, and completes the voice broadcast of test result to user according to test report.
Protocol layer 108, completes and the Signalling exchange of soft switch (SS) 109, realizes port and address negotiation, Service control etc., is that the agreement of communication between SS109 and ONU realizes part.
Soft switch (SS) 109, completes CCF, carries out Signalling exchange by protocol layer and PON terminal, and realizes miscellaneous service registration of subscriber's line etc., is the core that realizes VOIP business.
The hardware of the PON terminal of the present embodiment comprises following components, as shown in Figure 5:
Processor part:
Processor is the microcontroller of a double-core, and CPU core is responsible for control, realizes the control to Serial Peripheral Interface (SPI) (Serial Peripheral Interface is called for short SPI), memory, network interface etc., and whole terminal system operates on this core exactly.DSP core is the special kernel for VOIP encoding and decoding processing.Between CPU and DSP, carry out communication by shared drive and internal bus, CPU controls DSP and carries out the processing of speech data.SLIC(Subscriber Line Interface Circuit, subscriber line interface circuit) by the voice of phone after over-sampling, codec encoding and decoding, by TDM(time division multiplexing) bus directly gives DSP and processes.CPU sends the order of controlling SLIC by SPI interface.
SLIC part:
Mainly comprise: boost and swinging cross loop, signal generator, codec (CODEC) and control logic etc.SLIC provides the FXS(Foreign Exchange Station of standard, FXS) be connected with substation.
Local side apparatus: mainly comprise: OLT, soft switch SS and media server.OLT is connected with ONU by PON mouth, realizes the access service of PON terminal; Soft switch realizes the control of VOIP business; Media server is realized the media services in subscribers feeder.
As shown in Figure 6, tester to carry out the handling process of subscriber's line self-test as follows:
Step S101: tester's off-hook, and the * ##* that dials the number, initiate self-test request;
Step S102:ONU reports SS 109 after off-hook event being detected;
Particularly, subscriber's line driver module 103 detects substation 101 off-hook events, and off-hook event is reported to subscriber's line resource management module 111;
Subscriber's line resource management module 111 checks line resource and subscriber's line state, if normal users reports SS 109 by off-hook event by protocol layer 108.
Step S103:SS 109 checks whether this user is registered user, if so, is sent and puts dialing tone and the signaling that collects the digits to ONU by protocol layer 108, turns to step S104; Otherwise, send release wire line signaling to subscriber's line resource management module 111 by protocol layer 108, flow process finishes.
Particularly, SS 109 checks that this user is registered user, send and put dialing tone and the signaling that collects the digits to subscriber's line resource management module 111 by protocol layer 108, subscriber's line resource management module 111 carries out command analysis, be transmitted to DSP, complete and put dialing tone and collect the digits by DSP module, proceed to step S104.
Step S104:ONU detects Subscriber Number, if this Subscriber Number is predetermined number, starts self-test order, proceeds to step S105; Otherwise, enter normal call flow;
Particularly, subscriber's line resource management module 111 is received the Subscriber Number that DSP module 107 detects, and checks numbers and carry out number analysis, if * is ##*, starts self-test order, proceeds to step S105;
Step S105:ONU just test command is decomposed into test subitem;
Test command administration module 105 is received after the self-test order of subscriber's line resource management module 111, and test command is analyzed, and can test command be decomposed into test subitem by different electrical characteristics;
Test subitem can comprise: voltage tester, testing current, resistance test, capacity measurement, feed test and ringing test etc.
Step S106:ONU test subitem is according to driving subscriber's line hardware to complete corresponding test;
Particularly, test subitem is sent to subscriber's line driver module 103 by test command administration module 105; Subscriber's line driver module 103 drives subscriber's line hardware to complete corresponding test according to test subitem; Wherein, the test subitem that subscriber's line driver module 103 can be selected according to user drives subscriber's line hardware to complete corresponding test, also can automatically drive subscriber's line hardware to complete corresponding test according to test subitem one by one.
After step S107:ONU has tested, test result is analyzed, formed test report;
Particularly, test result is reported test result processing module 104 by subscriber's line driver module 103; The standard circuit parameter attribute data that test result processing module 104 is stored according to database 106 are carried out test result analysis and processing, form test report, this test report is sent to subscriber's line resource management module 111, and test result is stored in database 106.
Step S108:ONU reports test report;
Particularly, subscriber's line resource management module 111 is reported and has been tested message to SS109 by protocol layer 108; SS109 and media server 110 are consulted media port and address, and media server 110 and DSP module 107 are set up media channel.
Then, subscriber's line resource management module 111 reports test report to media server 110 by this media channel.
Step S109: media server 110 is reported test result according to test report to user speech, and flow process finishes.
Test report in the present embodiment can comprise specific test header and test data, and media server is resolved test header, and by test data voice broadcast out.For example: carried out voltage tester, measured:
Voltage between A line and ground wire: 0.12V;
Voltage between B line and ground wire: 0.23V;
Voltage between A line and B line: 0.24V.
The media resource of " voltage between A line and ground wire ", " voltage between B line and ground wire ", " voltage between A line and B line " is leaving on media server of prerecording, media server only need to parse the numeral recording, then by above-mentioned measurement result voice broadcast to user.
Embodiment bis-
The difference of the present embodiment and embodiment mono-is: the ONU of the present embodiment also comprises voice medium resource module, reports test result to realize by ONU.
Voice medium resource module 112, deposit the voice medium resource for reporting test result, realize user's voice medium is reported to service, in the present invention, DSP module can directly read the media resource on voice medium resource module 112, and to subscriber's line voice broadcast test result.
Other local side apparatus that relate to have:
Protocol layer 108, completes and the Signalling exchange of SS, realizes port and address negotiation, Service control etc., is that the agreement of communication between SS109 and ONU realizes part.
Soft switch SS, completes CCF, carries out Signalling exchange by protocol layer and ONU, and realizes miscellaneous service registration of subscriber's line etc., is the core that realizes VOIP business.
Subscriber's line resource management module 111 Direct Analysis test results in the present embodiment, and from voice medium resource 112, extract corresponding media information according to test report, notice DSP module 107; Play corresponding media information by DSP module 107.
One of ordinary skill in the art will appreciate that all or part of step in said method can carry out instruction related hardware by program and complete, described program can be stored in computer-readable recording medium, as read-only memory, disk or CD etc.Alternatively, all or part of step of above-described embodiment also can realize with one or more integrated circuits.Correspondingly, the each module/unit in above-described embodiment can adopt the form of hardware to realize, and also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
These are only the preferred embodiments of the present invention; certainly; the present invention also can have other various embodiments; in the situation that not deviating from spirit of the present invention and essence thereof; those of ordinary skill in the art are when making according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (7)
1. a method that realizes subscriber's line self-test, comprising:
Passive light network terminal receives the number that user dials, if after analyzing described number and being test request number, starts test command;
Drive subscriber's line hardware to carry out line testing according to described test command, comprise: according to electrical characteristic, described test command is decomposed into multiple test subitems, the test subitem of selecting according to user drives subscriber's line hardware to carry out corresponding line testing; Or according to electrical characteristic, described test command is decomposed into multiple test subitems, drive subscriber's line hardware to carry out corresponding line testing according to described test subitem one by one;
Test result is analyzed to rear output.
2. the method for claim 1, is characterized in that: described test subitem comprises: one or more in voltage tester, testing current, resistance test, capacity measurement, feed test and ringing test.
3. the method for claim 1, is characterized in that: the described step that test result is analyzed to rear output comprises:
Described test result is analyzed, generated test report;
Obtain the corresponding voice medium resource prestoring according to described test report, then play described voice medium resource.
4. a passive light network terminal, comprising:
Test command administration module, the number of dialing for receiving user, if after analyzing described number and being test request number, starts test command; Described test command administration module comprises resolving cell, for described test command being decomposed into multiple test subitems according to electrical characteristic;
Test driver module, select the test subitem that described test command administration module decomposes to drive subscriber's line hardware to carry out corresponding line testing according to user, or the test subitem decomposing according to described test command administration module one by one drive subscriber's line hardware to carry out corresponding line testing;
Test result processing module, for analyzing rear output to test result.
5. passive light network terminal as claimed in claim 4, is characterized in that:
Described test subitem comprises: one or more in voltage tester, testing current, resistance test, capacity measurement, feed test and ringing test.
6. the passive light network terminal as described in claim 4-5 any one, is characterized in that: also comprise resource module, for storing voice medium resource corresponding to multiple test result;
Test result processing module comprises:
Generation unit, for described test result is analyzed, generates test report;
Acquiring unit, for obtaining corresponding voice medium resource according to described test report from described resource module;
Broadcast unit, the voice medium resource of obtaining for playing described acquiring unit.
7. the passive light network terminal as described in claim 4-5 any one, is characterized in that: described test result processing module comprises:
Generation unit, for described test result is analyzed, triggers and sets up unit after generation test report;
The described unit of setting up, for setting up media channel with media server;
Transmitting element, for utilizing described media channel that described test report is sent to described media server.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010589604.6A CN102546966B (en) | 2010-12-15 | 2010-12-15 | Method and passive optical network terminal used for realizing subscriber line autonomous testing |
| PCT/CN2011/074639 WO2012079339A1 (en) | 2010-12-15 | 2011-05-25 | Method for realizing subscriber line auto-test and passive optical network terminal thereof |
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| CN201010589604.6A CN102546966B (en) | 2010-12-15 | 2010-12-15 | Method and passive optical network terminal used for realizing subscriber line autonomous testing |
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| CN103281240A (en) * | 2013-06-17 | 2013-09-04 | 苏州优康网络电子商务有限公司 | Gateway equipment of domestic optical network |
| CN103731205B (en) * | 2013-12-20 | 2018-07-24 | 上海斐讯数据通信技术有限公司 | A kind of optical network unit automated testing method |
| CN105703825A (en) * | 2014-11-24 | 2016-06-22 | 中兴通讯股份有限公司 | Optical network unit and alarm method thereof |
| CN105515907A (en) * | 2015-12-10 | 2016-04-20 | 太仓市同维电子有限公司 | PCM4 test system and test method thereof |
| CN109275051B (en) * | 2018-08-16 | 2021-10-01 | 烽火通信科技股份有限公司 | ONU voice function detection method and system |
| CN113645358B (en) * | 2021-08-09 | 2023-08-29 | 迈普通信技术股份有限公司 | Voice interface detection device, system and method |
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| Title |
|---|
| JP第2921744号B2 1999.07.19 * |
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| Publication number | Publication date |
|---|---|
| WO2012079339A1 (en) | 2012-06-21 |
| CN102546966A (en) | 2012-07-04 |
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