CN101079920A - Narrow user board with testing function and automatic testing method of user line - Google Patents
Narrow user board with testing function and automatic testing method of user line Download PDFInfo
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- CN101079920A CN101079920A CNA200710127529XA CN200710127529A CN101079920A CN 101079920 A CN101079920 A CN 101079920A CN A200710127529X A CNA200710127529X A CN A200710127529XA CN 200710127529 A CN200710127529 A CN 200710127529A CN 101079920 A CN101079920 A CN 101079920A
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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
- H04M3/305—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop testing of physical copper line parameters, e.g. capacitance or resistance
- H04M3/306—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop testing of physical copper line parameters, e.g. capacitance or resistance for frequencies above the voice frequency, e.g. xDSL line qualification
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Abstract
This invention provides a narrowband user board with a test function and an automatic test method for user circuits, in which, the narrowband user board includes: a user circuit module used in providing multiple user circuits and providing narrowband phone session for users, a test module used in testing said narrowband user boards or user circuits on outside ones, which can fully use user circuit resources to test service of user circuits and quick-locate fault automatically.
Description
Technical field
The present invention relates to the communications field, relate in particular to narrow-band user boards and subscriber's line automatic test approach with test function.
Background technology
Existing telecommunication network system, existing significantly increase on scale and complexity is to satisfy the different telecommunications service demand that different user proposes.In actual applications if fault, the detection and localization reason that is out of order whether timely, harm that fault is brought and influence drop to minimum, and this is crucial to telecommunication network system.For under such complex environment, can carry out operation and maintenance to system efficiently, telecom operators have set up the centralized management maintenance system in its service centre, monitor the alarm signal that the transmission equipment that is distributed in very wide zone sends.If the fault of having reported, the test that maintenance system will be correlated with according to alarm, the problem of coming navigation system to occur by test result.Network operation provides the means of handling efficiently as the important part of telecommunication system, brings great convenience to users, and has saved considerable spending for telecom operators.
But in the maintenance of existing telephone network, because subscriber's line quantity is huge, and some Function detection lacks the means of effective automation detection failure, and maintenance is very difficult.The fault of some subscriber line circuits, normally telecommunication bureau receives after the customer complaint, just can carry out the failure location analysis, and must use special-purpose testing equipment aptitude test.This maintenance mode is poor efficiency relatively, and the special test equipment occupying system resources is more, and very passive, can not disposable fault location, be unfavorable for improving user satisfaction.
Such as in existing detection at the narrow-band user circuit, usually all need the artificial control special test equipment that participates in, go to detect one by one the parameters of subscriber's line then by instrument or instrument, could determine whether every function of subscriber line circuit is normal, carry out fault location.This detection mode, efficient are very low, and very labor intensive also causes the cost of operator to increase.
Summary of the invention
At above one or more problems, the invention provides a kind of narrow-band user boards with test function and,
Narrow-band user boards of the present invention comprises: line module is used to provide the multichannel subscriber's line and provides narrowband speech conversation for the user; And test module, be used for the subscriber's line on described narrow-band user boards or the outside narrow-band user boards is tested.
Test module comprises: corresponding with the described at least one subscriber's line line unit of grabbing, be connected to the processing unit of described narrow-band user boards, and be used for the subscriber's line to be measured of detected equipment is grabbed line; Mould conventionally test unit is connected to the control unit of equipment under test, is used for test subscriber interior lines, user outline and terminal phone state, tests alternating voltage or direct voltage between described user interior lines and the user outline, and judges whether to exist fault; Analog station group unit, be connected to the control unit of equipment under test, be used to provide at least one caller analog station and at least one called analog station, described caller analog station and described called analog station are connected to subscriber line circuit to be measured and described line module respectively; The signal tone detecting unit is connected to the control unit of equipment under test, is used to detect the audio signal of line module; The signal tone generation unit is connected to the control unit of equipment under test, is used to generate audio signal; And the charging detecting unit, be connected to the control unit of equipment under test, be used to detect the user interior lines of subscriber's line to be measured and the polarity and the fee charging signal of user outline.
Detection module also comprises: relay unit, be used for providing analog station to be connected to described subscriber's line to be measured described analog station group unit, and described signal generation unit, described detecting signal unit, described charging detecting unit, described conventionally test unit are connected on the described subscriber's line to be measured.
Detection module also comprises: the communication port unit is used to realize the communication between the control unit of described detection module and described equipment under test.
Under the situation of not testing, described narrow-band user boards is as common narrow-band user boards.Under the situation of testing, described narrow-band user boards is tested the subscriber's line on it.Under the situation of testing, described narrow-band user boards is tested the subscriber's line of whole system.Under the situation of testing, described narrow-band user boards carries out the consolidated traffic test in conjunction with a plurality of subscriber's lines on it.
Subscriber's line automatic test approach of the present invention may further comprise the steps: step S202 is provided with calling subscriber to be measured and called subscriber's to be measured circuit number, and by grabbing the line unit subscriber's line to be measured is grabbed line; Step S204 detects by the user interior lines and the user outline of conventionally test unit to subscriber's line; Step S206, analog station group unit provides caller analog station and called analog station, and caller analog station and called analog station are connected to calling subscriber's circuit to be measured and called subscriber's circuit to be measured respectively; Step S208, caller analog station off-hook also is connected to called subscriber's circuit to be measured with signal tone generation unit, signal tone detecting unit; Step S210, charging detecting unit detect the user interior lines of subscriber's line to be measured and the polarity and the fee charging signal of user outline, and signal is because of detecting unit detection signal sound, and the signal tone generation unit generates touch-tone signal to dial the called subscriber; Step S212, called analog station off-hook also is connected to called subscriber's circuit to be measured with another road signal tone generation unit and signal tone detecting unit; And step S214, the charging detecting unit detects the user interior lines of calling subscriber's circuit to be measured and the polarity of user outline, whether the signal tone in the signal tone detecting unit detection of call process of calling subscriber's circuit and called subscriber's circuit is correct, and whether the checking speech channel is unimpeded.
By test network each test module on the narrow-band user boards is connected with tested subscriber's line on narrow-band user boards or the outside veneer.
The present invention can make full use of the system user line resource reduce under the prerequisite that system resource takies as far as possible, reaches the service conditions of automatic detection subscriber line circuit, fault location and do not need manually too much to participate in fast, to lower the maintenance cost of operator.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the narrow-band user boards preferred embodiment schematic diagram with test function of the present invention;
Fig. 2 is the flow chart of automatic test approach preferred embodiment of the present invention; And
Fig. 3 is the flow chart of the preferred embodiment of automatic detecting user's line method of the present invention.
Embodiment
Below with reference to accompanying drawing, describe the specific embodiment of the present invention in detail.
At the problem that can't realize detecting automatically the subscriber's line state of affairs in the prior art, the present invention is integrated in test module on the narrow-band user boards, employing is respectively simulated a phone at the tested subscriber line circuit of the calling and called two ends that are connected on the TDM crosspoint, pass through signal tone generation unit analog dialup by the caller analog station then, after detecting ring, with called analog station off-hook, with caller analog station UNICOM, the intercommunication dtmf signal is simulated the detection mode of whole communication process.
Like this can the analog subscriber circuit course of work of conversation, reach and need not human intervention and detect subscriber line circuit automatically, can automatic fault detection, can regularly detect simultaneously subscriber line circuit and prevent that fault from taking place, simultaneously can select subscriber's line flexibly, test to the self-test of this plate subscriber's line or to the subscriber's line of tested user's plate, improved the reliability of test.
The present invention relates to take into account a kind of equipment and the method for subscriber's line and testing equipment, particularly can provide the narrow-band user circuit simultaneously in the Access Network (AN), and a kind of apparatus and method that can test all narrow-band user circuits in the system.
Fig. 1 is the narrow-band user boards preferred embodiment schematic diagram with test function of the present invention.As shown in Figure 1, the narrow-band user boards with test function of the present invention comprises:
Line module (unit) 102 provides the multichannel subscriber's line, is used for the narrowband speech conversation of domestic consumer.User line unit 1～N is made up of codec CODEC and user interface circuit SLIC (Subscriber Line Interface Circuit) chip, 7 kinds of functions (BORSCHT) of the basic analog subscriber line circuit of subscriber line circuit are provided, realize being connected between user terminal and the TDM switching network, can be used for the voice call of domestic consumer in the present embodiment, also can be used for connecting analog station and do caller or called.
Test module 104 is used for the test of subscriber's line interior lines, outside line, business function on this plate and other user's plate.Test module comprises again: analog station group unit 104-2, signal tone generation unit 104-4, signal tone detecting unit 104-6, grab line unit 104-8, conventionally test unit 104-10, charging detecting unit 104-12 etc.
Grabbing the line unit is used for the subscriber line circuit to be measured of detected equipment is grabbed line.Be divided into and grab interior lines, grab outside line, actual can the realization with relay.Grab interior lines and be meant and local side formation current circuit, introduce local side voltage; Grabbing outside line is meant and substation circuit formation loop.
The conventionally test unit is used for inside and outside line of test subscriber (A, B line) and terminal phone situation, and AC and DC voltage between test A, B line has judged whether broken string, swinging cross, overlap joint power line, phone can not ring etc. fault.This module is by constant-current source, A/D sampling, interface module, ringing-current module, for outside line equivalent resistance, electric capacity, adopts the test of transient response method.
Analog station group unit provides at least one caller analog station and at least one called analog station, and this caller analog station is connected subscriber line circuit to be measured and above-mentioned subscriber line circuit unit respectively with called analog station.
The signal tone detecting unit is used to detect the audio signal of line module, as signals such as howler tone, busy tone, dialing tone, ring-back tone, DTMF.This module is made up of interface circuit, A/D converter and encoder, and signal tone changes digital signal into through the signal tone detection module, exports CPU to.
The signal tone generation unit is used to produce audio signal, as signals such as howler tone, busy tone, dialing tone, DTMF.This module is made up of decoder, D/A converter and built-up circuit, can be generated the sampled data of required audio analog signals by CPU, and output to the signal tone generation module, is transformed into actual audio signal output.
The charging detecting unit is used to detect the A of subscriber line circuit to be measured, the polarity of B line, detects after called subscriber's circuit off-hook is connected speech channel, whether produces antipole, 16kHz or 12kHz signal 16kHz or 12kHz fee charging signal.
Wherein, above-mentioned detection module also comprises: relay unit 104-14, be used for the analog station that analog station group unit provides is connected to subscriber line circuit to be measured, and signal tone generation unit, signal tone detecting unit, charging detecting unit, conventionally test unit are connected on the subscriber line circuit to be measured;
As preferably, above-mentioned detection module also comprises: communication channel 104-16 is used for the communication between the control unit of above-mentioned detection module and detected equipment.
CPU is the master controller of control detection module.
For reaching the purpose of automatic detection, make full use of existing subscriber's line resource, the invention allows for a kind of method of detecting user's line business function automatically:
Step S202 provides the narrow-band user boards with test function of the present invention, and calling subscriber to be tested and called subscriber's circuit number (this plate user, system other with per family can) is set.
Step S204 grabs the line unit subscriber line circuit to be detected is grabbed line (survey is interior, survey is outer grabs simultaneously), and connects the conventionally test unit, carries out subscriber's line interior lines feed, detections such as outside line combined-voltage, insulation resistance, electric capacity.
Step S206, analog station group unit provides a caller analog station and a called analog station, and this caller analog station is connected above-mentioned calling subscriber's circuit to be measured and above-mentioned called subscriber's circuit to be measured respectively with called analog station.
Step S208, above-mentioned caller analog station off-hook, and signal tone generation unit, signal tone detecting unit and charging detecting unit be connected to subscriber line circuit to be measured.
Step S210, charging detecting unit detect fee charging signals such as the A, B line polarity of subscriber line circuit to be measured, signal tone detecting unit signal tone to be detected, and the signal tone generation unit produces dtmf signal and dials the called subscriber.
Step S212 is connected to the time division multiplexing crosspoint with called subscriber's circuit, above-mentioned called analog station off-hook, and another road signal tone generation unit, signal tone detecting unit be connected to called subscriber's circuit to be measured.
Step S214, charging detecting unit detect A, the B line polarity of calling subscriber's circuit to be measured, and whether the signal tone of the signal tone detecting unit detection of call process of caller and called users circuit is correct, the intercommunication dtmf signal, and whether the checking speech channel is unimpeded.
The flow process of the preferred embodiment of automatic detecting user's line method of the present invention is shown as Fig. 3.This method specifically comprises:
Step S302 receives the manmachine command of the automatic detecting user's line that webmaster or maintenance console issue, and can comprise to be detected be used for caller, called subscriber line circuit number in the order;
Step S304 grabs the line unit subscriber line circuit to be detected is grabbed line, grabs inside and outside line simultaneously;
Step S306 provides relay unit, by this relay unit the conventionally test unit is connected to the user outline to be measured of having grabbed, and the conventionally test unit carries out Loop test;
Step S308 is connected to user to be measured interior lines with the conventionally test unit, carries out Feed Voltage Test;
Step S310, relay unit is provided, by relay unit two groups of analog station group unit, signal tone generating unit, signal tone detecting units are connected respectively to caller to be detected, called subscriber's circuit, the charging detecting unit is connected to calling subscriber's circuit to be detected;
Step S312, after being connected to the analog station off-hook of calling subscriber's circuit to be detected, at this moment, the signal tone detecting unit that connects the calling subscriber detects dialing tone;
Step S314, produce dtmf signal by the signal tone generation unit and carry out analog dialup, behind group first number, the signal tone detecting unit detects whether also have dialing tone, detect whether ring-back tone is arranged after having dialled number, the conventional sense unit that is connected in callee's subscriber's line carries out the ringing-current voltage detecting;
Step S316, after being connected to the analog station off-hook of called subscriber's circuit to be detected, the simulation conversation is set up, and whether the charging detecting unit detects antipole and other fee charging signal;
Step S318, carry out the DTMF number of sending out by the signal tone generation unit that is connected to caller subscriber's line to be measured, the signal tone detecting unit that is connected to called subscriber's line to be measured carries out DTMF and collects the digits, after harvesting the regulation number, carry out the DTMF number of sending out by the signal tone generation unit that is connected to called subscriber's line to be measured again, the signal tone detecting unit that is connected to caller subscriber's line to be measured carries out DTMF and collects the digits;
Step S320 will be connected to called user's to be measured analog station on-hook, and the signal tone detecting unit that is connected to caller user to be measured detects busy tone;
Step S322 will be connected to caller user's to be measured analog station on-hook;
Step S324 changes the subscriber's line of doing caller before into called, does called subscriber's line and changes into calledly, carries out the test of step S312～S322;
Step S326 reports webmaster or maintenance console with testing result by communication channel.
Need to prove that, detected when arbitrary step, affirmation was broken down to step S322 from step S312, test module can directly be jumped toward step S324, when carrying out step S324, detects when breaking down, and with execution in step S326, fail result is reported.Present embodiment is to begin to test module from the manmachine command of assigning automatic test by webmaster or maintenance console.In actual applications, can be that the attendant assigns manmachine command by webmaster or maintenance console; Also can be that the strategy that regular execution manmachine command is set on webmaster or maintenance console carries out, can realize regularly detecting the antipole function of detected subscriber line circuit like this, in time record in the alarm log when breaking down.
The present invention can make full use of the system user line resource reduce under the prerequisite that system resource takies as far as possible, reaches the service conditions of automatic detection subscriber line circuit, fault location and do not need manually too much to participate in fast, to lower the maintenance cost of operator.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. narrow-band user boards with test function is characterized in that comprising:
Line module is used to provide the multichannel subscriber's line and provides narrowband speech conversation for the user; And
Test module is used for the subscriber's line on described narrow-band user boards or the outside narrow-band user boards is tested.
2. narrow-band user boards according to claim 1 is characterized in that, described test module comprises:
Corresponding with the described at least one subscriber's line line unit of grabbing is connected to the processing unit of described narrow-band user boards, is used for the subscriber's line to be measured of detected equipment is grabbed line;
Mould conventionally test unit is connected to the control unit of equipment under test, is used for test subscriber interior lines, user outline and terminal phone state, tests alternating voltage or direct voltage between described user interior lines and the user outline, and judges whether to exist fault;
Analog station group unit, be connected to the control unit of equipment under test, be used to provide at least one caller analog station and at least one called analog station, described caller analog station and described called analog station are connected to subscriber line circuit to be measured and described line module respectively;
The signal tone detecting unit is connected to the control unit of equipment under test, is used to detect the audio signal of line module;
The signal tone generation unit is connected to the control unit of equipment under test, is used to generate audio signal; And
The charging detecting unit is connected to the control unit of equipment under test, is used to detect the user interior lines of subscriber's line to be measured and the polarity and the fee charging signal of user outline.
3. narrow-band user boards according to claim 2, it is characterized in that, described detection module also comprises: relay unit, be used for providing analog station to be connected to described subscriber's line to be measured described analog station group unit, and described signal generation unit, described detecting signal unit, described charging detecting unit, described conventionally test unit are connected on the described subscriber's line to be measured.
4. narrow-band user boards according to claim 2 is characterized in that, described detection module also comprises: the communication port unit is used to realize the communication between the control unit of described detection module and described equipment under test.
5. narrow-band user boards according to claim 2 is characterized in that, under the situation of not testing, described narrow-band user boards is as common narrow-band user boards.
6. narrow-band user boards according to claim 2 is characterized in that, under the situation of testing, described narrow-band user boards is tested the subscriber's line on it.
7. narrow-band user boards according to claim 2 is characterized in that, under the situation of testing, described narrow-band user boards is tested the subscriber's line of whole system.
8. narrow-band user boards according to claim 2 is characterized in that, under the situation of testing, described narrow-band user boards carries out the consolidated traffic test in conjunction with a plurality of subscriber's lines on it.
9. an employing is characterized in that according to the subscriber's line automatic test approach of each described narrow-band user boards in the claim 1 to 8, may further comprise the steps:
Step S202 is provided with calling subscriber to be measured and called subscriber's to be measured circuit number, and by grabbing the line unit described subscriber's line to be measured is grabbed line;
Step S204 detects by the user interior lines and the user outline of conventionally test unit to described subscriber's line;
Step S206, analog station group unit provides caller analog station and called analog station, and described caller analog station and described called analog station are connected to described calling subscriber's circuit to be measured and described called subscriber's circuit to be measured respectively;
Step S208, described caller analog station off-hook also is connected to described called subscriber's circuit to be measured with described signal tone generation unit, signal tone detecting unit;
Step S210, described charging detecting unit detects the user interior lines of described subscriber's line to be measured and the polarity and the fee charging signal of user outline, described signal is because of detecting unit detection signal sound, and described signal tone generation unit generates touch-tone signal to dial the called subscriber;
Step S212, described called analog station off-hook also is connected to called subscriber's circuit to be measured with another road signal tone generation unit and signal tone detecting unit;
Step S214, described charging detecting unit detects the user interior lines of calling subscriber's circuit to be measured and the polarity of user outline, whether the signal tone in the signal tone detecting unit detection of call process of described calling subscriber's circuit and called subscriber's circuit is correct, and whether the checking speech channel is unimpeded.
10. subscriber's line automatic test approach according to claim 9 is characterized in that, by test network each test module on the described narrow-band user boards is connected with tested subscriber's line on described narrow-band user boards or the outside veneer.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710127529XA CN101079920B (en) | 2007-06-28 | 2007-06-28 | Narrow user board with testing function and automatic testing method of user line |
| PCT/CN2007/003583 WO2009000120A1 (en) | 2007-06-28 | 2007-12-13 | A narrow-band subscriber board bearing test function and a method for automatic test of subscriber line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710127529XA CN101079920B (en) | 2007-06-28 | 2007-06-28 | Narrow user board with testing function and automatic testing method of user line |
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| Publication Number | Publication Date |
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| CN101079920A true CN101079920A (en) | 2007-11-28 |
| CN101079920B CN101079920B (en) | 2011-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710127529XA Active CN101079920B (en) | 2007-06-28 | 2007-06-28 | Narrow user board with testing function and automatic testing method of user line |
Country Status (2)
| Country | Link |
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| CN (1) | CN101079920B (en) |
| WO (1) | WO2009000120A1 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009000120A1 (en) * | 2007-06-28 | 2008-12-31 | Zte Corporation | A narrow-band subscriber board bearing test function and a method for automatic test of subscriber line |
| CN101483384A (en) * | 2009-02-13 | 2009-07-15 | 中兴通讯股份有限公司 | Electric power processing circuit module, subscriber circuit system and voice control method |
| CN101834954A (en) * | 2010-05-24 | 2010-09-15 | 中兴通讯股份有限公司 | Line detection apparatus and method for fixed phone |
| WO2012079339A1 (en) * | 2010-12-15 | 2012-06-21 | 中兴通讯股份有限公司 | Method for realizing subscriber line auto-test and passive optical network terminal thereof |
| CN102891937A (en) * | 2012-10-10 | 2013-01-23 | 烽火通信科技股份有限公司 | Multifunctional circuit test board of voice terminal equipment |
| CN105445597A (en) * | 2014-09-04 | 2016-03-30 | 上海唐盛信息科技有限公司 | ALCN user board fault testing method |
| WO2016173440A1 (en) * | 2015-04-27 | 2016-11-03 | 中兴通讯股份有限公司 | Audio connecting line detection method and device |
| CN106161141A (en) * | 2016-07-20 | 2016-11-23 | 国网江苏省电力公司苏州供电公司 | Communication line Auto-Test System |
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| CN1110168C (en) * | 1999-12-30 | 2003-05-28 | 深圳市中兴通讯股份有限公司 | Equipment with mixed use of wide-band and narrow-band user boards |
| US6819745B2 (en) * | 2001-05-30 | 2004-11-16 | Siemens Information And Communication Networks, Inc. | Method and apparatus of testing a POTS circuit and DSL circuit through a splitter |
| CN1283087C (en) * | 2003-09-27 | 2006-11-01 | 华为技术有限公司 | Broadband/narrow band telecom system |
| CN100456839C (en) * | 2003-07-12 | 2009-01-28 | 华为技术有限公司 | A testing system of digital subscriber line and testing method |
| US7515691B2 (en) * | 2004-10-01 | 2009-04-07 | Tollgrade Communications, Inc. | Method for testing DSL capability of telephone lines |
| CN2836357Y (en) * | 2005-05-27 | 2006-11-08 | 华为技术有限公司 | Narrow-band user board |
| CN100531256C (en) * | 2005-12-20 | 2009-08-19 | 华为技术有限公司 | Broad-narrow band-in-one-board with detecting function and detecting method |
| CN101079920B (en) * | 2007-06-28 | 2011-11-23 | 中兴通讯股份有限公司 | Narrow user board with testing function and automatic testing method of user line |
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- 2007-06-28 CN CN200710127529XA patent/CN101079920B/en active Active
- 2007-12-13 WO PCT/CN2007/003583 patent/WO2009000120A1/en active Application Filing
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009000120A1 (en) * | 2007-06-28 | 2008-12-31 | Zte Corporation | A narrow-band subscriber board bearing test function and a method for automatic test of subscriber line |
| CN101483384A (en) * | 2009-02-13 | 2009-07-15 | 中兴通讯股份有限公司 | Electric power processing circuit module, subscriber circuit system and voice control method |
| CN101834954A (en) * | 2010-05-24 | 2010-09-15 | 中兴通讯股份有限公司 | Line detection apparatus and method for fixed phone |
| WO2012079339A1 (en) * | 2010-12-15 | 2012-06-21 | 中兴通讯股份有限公司 | Method for realizing subscriber line auto-test and passive optical network terminal thereof |
| CN102546966A (en) * | 2010-12-15 | 2012-07-04 | 中兴通讯股份有限公司 | Method and passive optical network terminal used for realizing subscriber line autonomous testing |
| CN102546966B (en) * | 2010-12-15 | 2014-12-10 | 中兴通讯股份有限公司 | Method and passive optical network terminal used for realizing subscriber line autonomous testing |
| CN102891937A (en) * | 2012-10-10 | 2013-01-23 | 烽火通信科技股份有限公司 | Multifunctional circuit test board of voice terminal equipment |
| CN102891937B (en) * | 2012-10-10 | 2015-04-08 | 烽火通信科技股份有限公司 | Multifunctional circuit test board of voice terminal equipment |
| CN105445597A (en) * | 2014-09-04 | 2016-03-30 | 上海唐盛信息科技有限公司 | ALCN user board fault testing method |
| WO2016173440A1 (en) * | 2015-04-27 | 2016-11-03 | 中兴通讯股份有限公司 | Audio connecting line detection method and device |
| CN106161141A (en) * | 2016-07-20 | 2016-11-23 | 国网江苏省电力公司苏州供电公司 | Communication line Auto-Test System |
| CN106161141B (en) * | 2016-07-20 | 2019-02-12 | 国网江苏省电力公司苏州供电公司 | Communication line Auto-Test System |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101079920B (en) | 2011-11-23 |
| WO2009000120A1 (en) | 2008-12-31 |
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