CN100336348C - End-to-end service testing system and method - Google Patents
End-to-end service testing system and method Download PDFInfo
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- CN100336348C CN100336348C CNB2003101002218A CN200310100221A CN100336348C CN 100336348 C CN100336348 C CN 100336348C CN B2003101002218 A CNB2003101002218 A CN B2003101002218A CN 200310100221 A CN200310100221 A CN 200310100221A CN 100336348 C CN100336348 C CN 100336348C
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Abstract
The present invention provides a system (1) and a method for testing end-to-end plunge service of a 2M digital circuit or an N*64K DDN circuit. The system (1) comprises plunge service testing devices (2) which are respectively connected with both ends of the tested 2M digital circuit or the N*64K DDN circuit (33); each plunge service testing device (2) comprises a control unit (21) and an E1 processing circuit (22), wherein the control unit (21) automatically sets test parameters according to input signals of the device and causes the setting of the testing devices at both ends to be consistent via intelligent mutual control; the E1 processing circuit (22) is connected with the control unit and is used for carrying out service data test to the 2M digital circuit or the N*64K DDN circuit. According to the system and the method of the present invention, the standard plunge service test can be automatically completed by pressing a key on any one of the two ends, which greatly improves work efficiency and accuracy. In addition, the device of the present invention has the advantages of small volume, light weight and portability.
Description
Technical field
The present invention relates to end-to-end input operational trials system and method, relate in particular to 2M digital circuit or N * professional Auto-Test System of the end-to-end input of 64K DDN (Digital Data Net) circuit and method.
Background technology
At present, the method of carrying out 2M digital circuit or N * end-to-end input operational trials of 64K DDN circuit is a lot, but the main instrument of special use that still adopts is tested, and drop into operational trials is the wherein part of functions of these instrument, need carry out comparatively complicated being provided with by a lot of buttons and just can finish once test, the result of test also only is demonstration or prints.Simultaneously, because existing test instrumentation all is separate equipment, when carrying out end-to-end input operational trials, the equipment at two ends does not possess communication capacity, therefore the equipment at two ends will be provided with respectively, and the content that is provided with will in full accordly just can make test normally carry out.In addition, use the test result that existing instrument tests at two ends can not automatic interaction, need data could be gathered by alternate manner, and occur mistake easily in gathering.Therefore adopt existing instrument and method of testing not to finish and carry out a large amount of circuit input operational trialss, inefficiency at short notice.
Summary of the invention
The object of the present invention is to provide a kind of 2M digital circuit or the N * end-to-end input operational trials of 64K DDN circuit system and method, only need to make two ends drop into unanimity being set and testing the test result automatic interaction automatically of operational trials equipment by easy mode.
The invention provides a kind of 2M digital circuit or the N * end-to-end input operational trials of 64K DDN circuit system, comprise the input operational trials equipment that is connected to tested 2M digital circuit or N * 64K DDN circuit 33 two ends, this input operational trials equipment comprises according to its input signal and test parameter is set automatically and makes the consistent control unit of being provided with of two ends testing equipment by intelligent cross complaint; This control unit comprises field programmable gate array and the central processing unit that is connected respectively to bus; Wherein field programmable gate array is connected with keyboard, comprises being used for keyboard is carried out real time scan and produces the interruption generation device that interrupt signal sends to bus according to the down state of keyboard; Will be according to the predefined communication protocol data format from the E1 data sending device that sends to the E1 treatment circuit after the encapsulation of the control data of bus; Control data from the opposite end is decoded, and produce the E1 data sink that interrupt signal sends to central processing unit; Central processing unit comprises and is used to judge from the described interrupt signal of bus and carries out the Interrupt Process device of corresponding test setting; Be used for sending to opposite end E1 treatment circuit the controller of control data by the output of E1 treatment circuit; Be connected with control unit and be used for E1 treatment circuit that 2M digital circuit or N * 64K DDN circuit are carried out the business datum test.
According to test macro of the present invention, wherein the E1 treatment circuit comprises the business datum generator, is used for sending business datum to the opposite end by 2M digital circuit or N * 64K DDN circuit; The business datum receiver is used for receiving business datum from the opposite end by 2M digital circuit or N * 64K DDN circuit; The business datum testing apparatus is used for the business datum that receives is carried out Error detection and alarm detection.
According to test macro of the present invention, wherein central processing unit also comprises and being used for carry out the service data processing apparatus of data processing from the Error detection of E1 treatment circuit and alarm signal etc. via bus.
According to test macro of the present invention, wherein drop into operational trials equipment and also comprise the random access memory that is connected on the bus, be used to store the result of central processing unit to data.
According to test macro of the present invention, wherein drop into operational trials equipment and also comprise the LCD that is connected on the bus, be used to show the target bit error and the alarm signal of detection.
According to test macro of the present invention, wherein also comprise and drop into the computer that operational trials equipment is connected, utilize the management platform software module with the test result automatic report generation.
According to test macro of the present invention, wherein drop into operational trials equipment and also comprise the interface that is connected with modulator-demodulator, make with dial mode and login this input operational trials equipment.
The invention provides the end-to-end input service test method of a kind of 2M digital circuit or N * 64K DDN circuit, be connected with respectively at the circuit-under-test two ends and drop into operational trials equipment, comprising: start arbitrary end and drop into operational trials equipment; Start end equipment test parameter is set automatically and send control data by intelligent cross complaint make being provided with of two ends testing equipment consistent step is set automatically; 2M digital circuit or N * 64K DDN circuit are carried out the testing procedure that business datum is tested; When length of testing speech then, arbitrary end sends control data and stops test.Wherein automatically testing procedure comprises: the field programmable gate array that is connected with keyboard keyboard is carried out real time scan and during according to device start the down state of keyboard produce interrupt signal and send to bus; The Interrupt Process device of the central processing unit of start end is judged test pattern and test parameter is set automatically according to the interrupt signal on the bus; E1 data sending device in the field programmable gate array of start end will send to the E1 treatment circuit according to the control data of the test parameter that comprises setting after the encapsulation of predefined communication protocol data format; The E1 treatment circuit sends to control data the E1 treatment circuit of the input operational trials equipment of opposite end; The E1 data sink paired domination number of opposite end field programmable gate array is according to decoding, and produces interrupt signal and send to the local terminal central processing unit, makes the unanimity that is provided with at two ends.
According to method of testing of the present invention, wherein also comprise the step of central processing unit to carrying out data processing from the Error detection and the alarm signal of E1 treatment circuit.
According to method of testing of the present invention, the E1 treatment circuit that wherein also comprises two ends respectively to/from opposite end transmission/acceptance test result's step.
According to method of testing of the present invention, wherein also comprise the step of the random access memory stores central processing unit of input operational trials equipment to the result of data.
According to method of testing of the present invention, wherein also comprise the target bit error of liquid crystal display displays detection and the step of alarm signal.
According to method of testing of the present invention, comprise also that wherein computer utilizes the step of management platform software module with the test result automatic report generation.
According to method of testing of the present invention, wherein also comprise the step of logining this input operational trials equipment by the interface of modulator-demodulator connection with dial mode.
According to 2M digital circuit provided by the present invention or the N * end-to-end input operational trials of 64K DDN circuit system and method, standard drops into operational trials only needs the arbitrary end in two ends to press next button, just can finish from the test setting to the test result data automatically by " intelligent cross complaint " function of system gather, all test jobs that output, printing test are reported, improved operating efficiency and accuracy greatly.And,, very be easy to carry because equipment volume of the present invention is little, in light weight.
Description of drawings
Below in conjunction with accompanying drawing and non-restrictive example the present invention is described in further detail.In the accompanying drawing:
Fig. 1 illustrates 2M digital circuit of the present invention or the N * end-to-end input operational trials of 64K DDN circuit system schematic;
Fig. 2 illustrates the profile schematic diagram of 2M digital circuit of the present invention or the N * end-to-end input operational trials of 64K DDN circuit equipment;
Fig. 3 illustrates the operational flowchart of 2M digital circuit of the present invention or the N * end-to-end input operational trials of 64K DDN circuit system;
Fig. 4 illustrates the principle assumption diagram of 2M digital circuit of the present invention or the N * end-to-end input operational trials of 64K DDN circuit equipment;
Fig. 5 illustrates the flow chart of 2M digital circuit of the present invention or the N * end-to-end input operational trials of 64K DDN circuit interrupt routine;
Fig. 6 a to 6i illustrates the data format that terminal device communicates in 2M digital circuit of the present invention or the N * end-to-end input operational trials of the 64K DDN circuit process;
Fig. 7 illustrates the flow chart of intelligence cross complaint in two ends in 2M digital circuit of the present invention or the end-to-end input service test method of N * 64K DDN circuit.
Embodiment
Fig. 1 illustrates 2M digital circuit of the present invention or the N * end-to-end input operational trials of 64K DDN circuit system 1, comprise 2M circuit or N * 64K DDN circuit 33 that needs are tested, with the input operational trials equipment 2 that is connected to tested 2M digital circuit or N * 64K DDN circuit 33 two ends, they communicate by transmission network and circuit-under-test 33, and this transmission network can be Plesiochronous Digital hierarchy PDH, synchronous digital hierarchy SDH or dense wave division multipurpose DWDM network or their combination in any.This input operational trials equipment 2 comprises according to its input signal and test parameter is set automatically and makes the consistent control unit 21 of being provided with of two ends testing equipment by intelligent cross complaint; Be used for 2M digital circuit or N * 64K with being connected with control unit 21
The DDN circuit carries out the E1 treatment circuit 22 of business datum test.
Fig. 2 shows the profile schematic diagram of 2M digital circuit of the present invention or the N * end-to-end input operational trials of 64K DDN circuit equipment.End-to-end input operational trials equipment 2 comprises LCD 3, LED light group 4 and keyboard 5,2M data input port 6,2M data output 7, mains switch 8 and RS232 interface 9.Wherein can show in real time on the LCD 3 and meet ITU-T G.821 standard and the 2M circuit of ITU-T M2100 standard or the error performance objective of N * 64KDDN circuit, for example SES ES, Severely Errored Second SES, circuit error rate BER, unavailable second UAS, etc.LED light group 4 has the LED light of the fault such as dropout LOS, LOF LOF of 2M circuit of state, measurement of indicating equipment receiving port respectively and alarm indication signal AIS etc.Have mode switch key 11, operation stop key 12, shared button 10 under " PTT " automatic mode of the present invention and expert mode on the keyboard 5.Mode switch key 11 makes present device can carry out mode switch between " PTT " automatic mode and expert mode, and operation/stop key 12 can make present device begin/stop test." PTT " of the present invention automatic mode is meant that operating personnel only need can finish automatically by a respective keys on the lower keyboard 5 whole operations of end-to-end input operational trials.Test pattern when above each shared button 10, indicating present device respectively with " PTT " automatic mode operation, for example test in 15 minutes, tests in 2 hours etc., expression equipment of the present invention when each button is pressed such as carried out 15 minutes, 2 hours respectively at the end-to-end input operational trials of duration respectively, automatically store test results and on LCD, show test results the printable test result of printer behind the EOT.Below shared button, indicate the data that parameter and time " setting " are set, check storage of present device when working respectively and " check " etc., manually start and stop test by operation/stop key 12 with expert mode.
Fig. 3 illustrates the operational flowchart of input operational trials of the present invention system.Arbitrary end drops into operational trials equipment (step S31) in the start-up system; Start end equipment is provided with test parameter automatically and sends control data and by what intelligent cross complaint made the two ends testing equipment unanimity (step S32) is set; 2M digital circuit or N * 64K DDN circuit are carried out business datum test (step S33); When length of testing speech then, arbitrary end sends control data and stops test (step S34).
Theory structure below in conjunction with input operational trials equipment shown in Figure 4 is described in detail according to 2M circuit of the present invention or the N * end-to-end input operational trials of 64K DDN circuit system and method.
Drop into operational trials equipment 2 and comprise control unit 21, it comprises central processing unit 25 and the field programmable gate array 23 that is connected respectively to bus 24; Also comprise E1 treatment circuit 22, random access memory 26, LCD 3 and LED light group 4, and the RS232 interface 9 that is connected with central processing unit 25, the keyboard 5 that is connected with field programmable gate array 23, also comprise power supply 27 (not shown)s.E1 treatment circuit 22 is communicated by letter with the opposite end with transmission network by 2M circuit or N * 64KDDN circuit.Field programmable gate array 23 is connected with keyboard 5, comprises being used for keyboard is carried out real time scan and produces the interruption generation device 231 that interrupt signal sends to bus according to the down state of keyboard; Will be according to the predefined communication protocol data format from the E1 data sending device 232 that sends to E1 treatment circuit 22 after the encapsulation of the control data of bus; To decoding from the control data of opposite end and producing the E1 data sink 233 that interrupt signal sends to central processing unit.Central processing unit 25 comprises and is used to judge from the described interrupt signal of data/address bus and carries out the Interrupt Process device 251 of corresponding operating; Be used for sending to opposite end E1 treatment circuit the controller 252 of control data by the output of E1 treatment circuit; Be used for carry out the service data processing apparatus 253 of data processing from the Error detection of E1 treatment circuit and alarm signal etc.E1 treatment circuit 22 comprises and is used for sending the business datum generator 221 of business datum to the opposite end by the 2M digital circuit; Be used for by the business datum receiver 222 of 2M digital circuit reception from the business datum of opposite end; Be used for the business datum that receives is carried out the business datum testing apparatus 223 of Error detection and alarm detection.
When the button as the equipment of start end is pressed, the interruption generation device 231 of field programmable gate array 23 produces interrupt signal according to the down state of button in the keyboard 5, sends to central processing unit 25 by bus 24.
The Interrupt Process device 251 of central processing unit 25 is judged from the above-mentioned interrupt signal of bus 24 and is carried out corresponding operation.Fig. 5 illustrates the interrupt handling routine flow chart.The Interrupt Process device 251 of central processing unit 25 at first judges at step S41 whether interrupt signal represents " PTT " autorun, if, then further judge whether it is the interrupt signal (step S43) of representative " test in 15 minutes ", if, then carry out test parameter setting in 15 minutes, (step S44) such as frame structure, the testing standard that meets, type of service, durations is set; If not, then further judge whether it is the interrupt signal (step S45) of representative " test in 2 hours ", be then to carry out test parameter setting (step S46) in 2 hours if judge; Judge the test pattern and the duration of interrupt signal representative successively and carry out corresponding test parameter setting (step S47-S50), carry out for example test parameter setting in 48 hours up to step S51.If the Interrupt Process device 251 of central processing unit 25 is not represented " PTT " autorun in step S41 judgement interrupt signal, then judge whether it is to represent mode switch (step S42), judgement is then to carry out test parameter setting (step S52) by expert mode; If not, then produce alarm signal (step S54), and end (step S56).Above-mentioned steps S44, S46, S48, S50, S51 and S52 carry out after the test parameter setting, all forward intelligent cross complaint program (step S53) to, finish then (step S56).
Carry out test parameter when being provided with at above-mentioned steps S44, S46, S48, S50, S51 and S52, as shown in Figure 4, the controller 252 of central processing unit 25 sends control data by bus 24 to field programmable gate array 23, control data on the bus 24 writes for example 20 registers of the E1 data sending device 232 of field programmable gate array 23, produce data packet head then, 0XFAFBFCFF for example, then the data of 20 bytes are encapsulated in order the packet of 24 bytes, send to E1 treatment circuit 22 then.
In order better to understand the present invention, Fig. 6 shows an exemplary control data communication protocol data form; But the present invention is not limited to this data format.
Shown in Fig. 6 a, control data adopts the fixed-length data form, and each packet is 24 bytes, and data packet head is 4 bytes, and the packet sequence number is 1 byte, and type of data packet is 1 byte, and data content is 17 bytes, verification and be 1 byte.Wherein data packet head is fixed as 0XFAFBFCFF; The packet sequence number represents which packet this packet is, in the scope of 0-255; Type of data packet for example may be defined as:
What 0X00-represented the packet transmission is test result;
What 0X01-represented the packet transmission is " test result inquiry " instruction;
What 0X02-represented the packet transmission is " test pattern and starting command " instruction;
What 0X03-represented the packet transmission is " stopping test " instruction;
……
What 0XF0-represented the packet transmission is " time calibration " instruction.
Verification and the expression from the packet sequence number to last byte of data content add up and.
Fig. 6 b-6e illustrates the data format of the error performance objective of expression test in the test result respectively; Fig. 6 f illustrates the data format of expression " test result inquiry " instruction; Fig. 6 g illustrates the data format of expression " test pattern and starting command " instruction; Fig. 6 h illustrates the data format that expression " stops to test " instruction; Fig. 6 i illustrates the data format of expression " time calibration " instruction.
The intelligent cross complaint process that drops between the operational trials system terminal device is described below.
E1 treatment circuit 22 will send to the E1 treatment circuit of the input operational trials equipment of opposite end from the control data of central processing unit 25 by 2M circuit or N * 64K DDN circuit and transmission network.If the E1 treatment circuit 22 of opposite end has connected, then wherein the E1 data sink 233 of field programmable gate array 23 is decoded from the control data of opposite end and to it from 22 receptions of E1 treatment circuit, interrupts generation device 231 generation interrupt signals and sends to central processing unit 25 via bus 24; E1 data sending device 232 sends answer signal to the E1 of start end data sink 22; Otherwise time-delay also finishes.
According to the answer signal from the opposite end, the central processing unit 25 that start end drops into operational trials equipment sends the control data that comprises test pattern by E1 treatment circuit 22 to the E1 of opposite end treatment circuit 22, so that being provided with of two ends is in full accord.
Fig. 7 illustrates the program flow diagram of intelligence cross complaint in two ends in the end-to-end input service test method.233 pairs of control datas from the opposite end of the E1 data sink of field programmable gate array 23 are decoded, and detection type of data packet, if type of data packet is " 0X00 " (step S61), then send the buffering area 234 (step S62) of test result data to the field programmable gate array of 20 bytes; If the judged result of step S61 is a "No", then whether judgment data bag type is " 0X01 " (step S63), if judged result is a "Yes", then sends the test result querying command to buffering area (step S64); If the judged result of step S63 is a "No", then whether judgment data bag type is " 0X02 " (step S 65), if judged result is a "Yes", then sends test pattern and starting command to buffering area (step S66); If the judged result of step S65 is a "No", then whether judgment data bag type is " 0X03 " (step S67), if judged result is a "Yes", then transmission stops test command to buffering area (step S68); If the judged result of step S67 is a "No", then whether the judgment data bag is other types (as shown in phantom in FIG.) successively; Whether up to judgment data bag type is " 0XF0 " (step S69), if judged result is a "Yes", then sends the current time to buffering area (step S70); If the judged result of step S69 is a "No", then delay time 1 millisecond (step 72).After execution above-mentioned steps S62, S64, S66, S68, S70 sent data to buffering area, the E1 data sending device sent answer signals (S71) and also forwards 1 millisecond of step 72 time-delay to the E1 of start end data sink 22, returns (step S73) then.
Drop into operational trials equipment when two ends unanimity has been set, then the E1 treatment circuit 22 of start end equipment sends business datum by the E1 treatment circuit 22 that the 2M circuit drops into operational trials equipment to the opposite end.
The core of E1 treatment circuit 22 for example is the PM4351 chip, as shown in Figure 4, comprise business datum generator 221 and business datum generator 222, business datum generator 221 sends business datum drops into operational trials equipment to the opposite end E1 treatment circuit 22 by the delivery outlet of E1 treatment circuit 22 via the 2M circuit, and the business datum receiver 222 of the E1 treatment circuit 22 of opposite end receives the business datum from the opposite end from the input port.The PM4351 chip also comprises business datum testing apparatus 223, is used for the business datum that receives is carried out the interrupting service error code testing; Test the non-frame/interrupting service target bit error of PCM30/PCM31 system, detection signal is lost alarms such as LOS, LOF LOF.Business datum testing apparatus 223 sends to central processing unit 25 with signals such as the error code that detects and alarms via bus 24.
When test reach the duration that begins to set or arbitrary end equipment operation/stopping key is pressed, EOT.253 pairs of error codes of the service data processing apparatus of central processing unit 25 and alarm signal are carried out analytical calculation, and test result is sent to random access memory 26 by bus 24.Start end equipment and opposite equip. send to the opposite end by 2M circuit or N * 64K DDN circuit automatically with test result, or select manual conversation test result by menu.Test result sends to printer automatically by the RS232 serial line interface and prints, and can send to computer by management platform software according to the test result automatic report generation, show the end-to-end input operational trials report of perfect, accurate, standard.
End-to-end input operational trials equipment of the present invention also can connect standard modem by RS232 interface 9, with the dial mode beaching accommodation, has the remote upgrade function, carries out software upgrading.
The present invention describes in detail according to specific embodiment and accompanying drawing, but these descriptions are not to be used to limit the present invention, without departing from the spirit and scope of the present invention, can make amendment and improves it.
Claims (14)
1. a 2M digital circuit or the N * end-to-end input operational trials of 64K DDN circuit system (1), comprise the input operational trials equipment (2) that is connected to tested 2M digital circuit or N * 64K DDN circuit (33) two ends, it is characterized in that this input operational trials equipment (2) comprising:
Test parameter is set automatically and makes the consistent control unit (21) that is provided with of two ends testing equipment by intelligent cross complaint according to the input signal of equipment; This control unit (21) comprises field programmable gate array (23) and the central processing unit (25) that is connected respectively to bus (24); Wherein
Field programmable gate array (23) is connected with keyboard (5), comprising:
Be used for keyboard is carried out real time scan and produces the interruption generation device (231) that interrupt signal sends to bus (24) according to the down state of keyboard;
Will be according to the predefined communication protocol data format from the E1 data sending device (232) that sends to E1 treatment circuit (22) after the encapsulation of the control data of bus (24);
To decoding from the control data of opposite end and producing the E1 data sink (233) that interrupt signal sends to central processing unit (25);
Central processing unit (25) comprising:
Be used for judging from the described interrupt signal of bus (24) and carry out the Interrupt Process device (251) of corresponding test setting;
Be used for sending to opposite end E1 treatment circuit (22) controller (252) of control data by the output of E1 treatment circuit;
Be connected with control unit (21) and be used for E1 treatment circuit (22) that 2M digital circuit or N * 64K DDN circuit are carried out the business datum test.
2. end-to-end input operational trials system according to claim 1 (1) is characterized in that E1 treatment circuit (22) comprising:
Business datum generator (221) is used for sending business datum to the opposite end by 2M digital circuit or N * 64K DDN circuit;
Business datum receiver (222) is used for receiving business datum from the opposite end by 2M digital circuit or N * 64K DDN circuit;
Business datum testing apparatus (223) is used for the business datum that receives is carried out Error detection and alarm detection.
3. test macro according to claim 2 (1) is characterized in that central processing unit (25) also comprises and is used for the service data processing apparatus (253) that carries out data processing from the Error detection and the alarm signal of E1 treatment circuit to via bus (24).
4. according to each described test macro (1) in the claim 1 to 3, it is characterized in that dropping into operational trials equipment (2) and also comprise the random access memory (26) that is connected on the bus (24), be used for the result of storage control unit (21) data.
5. according to each described test macro (1) in the claim 1 to 3, it is characterized in that dropping into operational trials equipment (2) and also comprise the LCD (3) that is connected on the bus (24), be used to show the target bit error and the alarm signal of detection.
6. according to each described test macro (1) in the claim 1 to 3, it is characterized in that comprising also and drop into the computer that operational trials equipment (2) is connected that this computer has the management platform software module that is used for the test result automatic report generation.
7. according to each described test macro (1) in the claim 1 to 3, it is characterized in that dropping into operational trials equipment (2) and also comprise the interface (9) that is connected with modulator-demodulator, make with dial mode and login this input operational trials equipment.
8. 2M digital circuit or the end-to-end input service test method of N * 64K DDN circuit are connected with respectively at tested 2M digital circuit or N * 64K DDN circuit two ends and drop into operational trials equipment, it is characterized in that this method comprises:
A) start the setting up procedure (S31) that arbitrary end drops into operational trials equipment;
B) start end equipment test parameter is set automatically and send control data by intelligent cross complaint make being provided with of two ends testing equipment consistent step (S32) is set automatically, comprising:
I) field programmable gate array (23) that is connected with keyboard (5) of start end keyboard is carried out real time scan and during according to device start the down state of keyboard produce interrupt signal and send to bus (24);
Ii) the Interrupt Process device (251) of the central processing unit of start end (25) is according to bus
(24) interrupt signal on is judged test pattern and test parameter is set automatically;
The iii) E1 data sending device in the field programmable gate array of start end (23)
(232) will send to E1 treatment circuit (22) according to the control data of the test parameter that comprises setting after the encapsulation of predefined communication protocol data format;
Iv) the E1 treatment circuit (22) of start end sends to control data the E1 treatment circuit (22) of the input operational trials equipment of opposite end;
V) E1 data sink (233) paired domination number of the field programmable gate array of opposite end is according to decoding, and produces interrupt signal and send to local terminal central processing unit (25), makes the unanimity that is provided with at two ends;
C) 2M digital circuit or N * 64K DDN circuit are carried out the testing procedure (S33) that business datum is tested;
D) when length of testing speech then, arbitrary end sends the step (S34) that control data stops to test.
9. according to the described method of testing of claim 8, it is characterized in that also comprising the step of central processing unit (25) to carrying out data processing from the Error detection and the alarm signal of E1 treatment circuit (22).
10 method of testings according to claim 8, the E1 treatment circuit (22) that it is characterized in that also comprising two ends respectively to/from opposite end transmission/acceptance test result's step.
11. method of testing according to claim 10 is characterized in that also comprising the step of random access memory (26) the storage central processing unit (25) of input operational trials equipment (2) to the result of data.
12. method of testing according to claim 10 is characterized in that also comprising that LCD (3) shows the target bit error of detection and the step of alarm signal.
13. method of testing according to claim 10 is characterized in that also comprising that computer utilizes the step of management platform software module with the test result automatic report generation.
14. method of testing according to claim 8 is characterized in that also comprising the step of logining this input operational trials equipment by the interface (9) of modulator-demodulator connection with dial mode.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101002218A CN100336348C (en) | 2003-10-10 | 2003-10-10 | End-to-end service testing system and method |
| HK05104830A HK1072135A1 (en) | 2003-10-10 | 2005-06-08 | End-to-end bis testing system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2003101002218A CN100336348C (en) | 2003-10-10 | 2003-10-10 | End-to-end service testing system and method |
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| CN1606278A CN1606278A (en) | 2005-04-13 |
| CN100336348C true CN100336348C (en) | 2007-09-05 |
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| CNB2003101002218A Expired - Lifetime CN100336348C (en) | 2003-10-10 | 2003-10-10 | End-to-end service testing system and method |
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| CN100388705C (en) * | 2005-09-06 | 2008-05-14 | 华为技术有限公司 | Apparatus and method for providing various sub-rate access to user |
| CN100421411C (en) * | 2005-09-06 | 2008-09-24 | 华为技术有限公司 | Method and apparatus for transmitting information between digital data net and network |
| CN108875368A (en) * | 2017-05-10 | 2018-11-23 | 北京金山云网络技术有限公司 | A kind of safety detection method, apparatus and system |
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| US6515967B1 (en) * | 1998-06-30 | 2003-02-04 | Cisco Technology, Inc. | Method and apparatus for detecting a fault in a multicast routing infrastructure |
| US20020111162A1 (en) * | 2001-01-26 | 2002-08-15 | Wendisch Ing. Dieter | Method of and an apparatus for testing connections in a network |
| CN1417683A (en) * | 2001-11-07 | 2003-05-14 | 华为技术有限公司 | Abnormal logic business simulating test device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN1606278A (en) | 2005-04-13 |
| HK1072135A1 (en) | 2005-08-12 |
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