CN1193878A - Device and method for whole machine testing of programable control exchange - Google Patents
Device and method for whole machine testing of programable control exchange Download PDFInfo
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- CN1193878A CN1193878A CN 96102625 CN96102625A CN1193878A CN 1193878 A CN1193878 A CN 1193878A CN 96102625 CN96102625 CN 96102625 CN 96102625 A CN96102625 A CN 96102625A CN 1193878 A CN1193878 A CN 1193878A
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Abstract
A overall test apparatus for program controlled exchanger is composed of controller and test modules between the controller and exchanger to be tested. The controller is composed of at least one centralized controller and several distributed controllers. Its advantages are short test time reduced by several times as test modules are matched with modular structure of exchanger, and high test accuracy as digital signal processing technique is used.
Description
The present invention relates to the communication test field, relate more specifically to the system test apparatus and method of programme-controlled exchange.
Must be before telephony switching gear dispatches from the factory to the hardware of telephone exchange, software and relevant device are tested, and whether meet technical standard with every performance and the technical indicator that detects telephony switching gear, and these tests comprise user, trunk interface parameter testing; Transmission objective and signaling test in the switch; User, relaying Loop test.
For large-scale programme-controlled exchange, the prior complete machine measuring technology adopts the subscriber line circuit test board unique user switch test in the switching equipment module mostly, each user is detected one by one, and this method test speed is very slow, and test index is not comprehensive.
At present, some producer has adopted single type system test device, and its major defect is:
1. test is slow.Existing apparatus can only be finished the test of single module switch, to the multimode larger switch, can only timesharing test, and speed is slow.
2. precision is low.Existing apparatus adopts analog signal entirely, can't reach higher precision and can not test switch loss stability and consistency, CCITT transmission objectives such as attenuation-frequency characteristic.
3. not comprehensive.Existing testing equipment does not have autgmentability, can't integrate each module testing result, reflects the combination property of large-scale stored-program control exchange.
The objective of the invention is to overcome the above-mentioned shortcoming of prior art, provide a kind of programme-controlled exchange is carried out the device of system test, speed is fast during this device to test, precision is high, and can reflect the combination property of large-scale switching equipment easily.
Another object of the present invention provides the whole-machine test method of programme-controlled exchange.
For achieving the above object, the system test device of programme-controlled exchange of the present invention, comprise a Centralized Controller and N decentralized controller (N is 〉=0 arbitrary integer) and a plurality of test module, described test module is connected between described controller and the corresponding switching equipment to be tested concurrently with certain communication modes, can finish the test of each index simultaneously and test result is reported controller according to control command.Wherein said test module can comprise the communication reception/transtation mission circuit that is used for the controller contact, be used to sort the command decoder of the control order that communication reception/transtation mission circuit receives, the Executive Module of concrete testing procedure is implemented in the order of sending here by command decoder, receives the Executive Module test result and reports the information process unit of controller by communication reception/transtation mission circuit.Described Executive Module can comprise digital signal generation device, digital signal processing apparatus and with the subscribers feeder of programme-controlled exchange and trunk line by certain sequence allocation to analog station group circuit or digital signal produces and the user/trunk line distribution network of receiving circuit.Described analog station group circuit can comprise: the A/D converter that is used for the analog subscriber conversion of signals is become digital signal; Be used for digital signal is converted to the D/A converter and the traditional phone circuit of analog subscriber signal.
At least comprise the steps: that by the whole-machine test method of programme-controlled exchange of the present invention 1. are provided with a Centralized Controller and N decentralized controller (N for 〉=0 integer) and test module respectively according to exchanger capacity, and a plurality of test modules are connected between controller and the switching equipment to be measured concurrently; 2. with the test control program writing controller; 3. make controller send test command and send test module to, test module is finished test operation to programme-controlled exchange by the order that receives; 4. make test module that test result is sent back to controller.
The inventive method can also can be carried out decentralized control to each test module by a plurality of controller networkings back by a plurality of test modules of controller centralized control.Described test module adopts Digital Signal Processing.
Below in conjunction with drawings and Examples, further describe system test apparatus and method of the present invention
Fig. 1 is the whole block diagram of reflection apparatus of the present invention and method.
Fig. 2 is the block diagram of a test module shown in Fig. 1.
Fig. 3 is the block diagram of an Executive Module in the test module shown in Figure 2.
Fig. 4 is the calcspar of an analog station group in the Executive Module shown in Figure 3.
Fig. 5 is an embodiment of programme-controlled exchange system test device of the present invention.
Fig. 6 is an embodiment of the test module of programme-controlled exchange system test device of the present invention shown in Figure 2.
Fig. 7 is to be the flow chart of an embodiment of the inventive method of example with the attenuation-frequency characteristic between the test two-used family.
As shown in Figure 1, the system test device of stored-program control exchange of the present invention comprises the corresponding test module 10 of controller 2 and number and switch module, and these test modules are connected between controller and the stored-program control exchange module 40 to be measured by connection 5 and service cable and junction cable 39 respectively; Send test command by controller 2 and send test module to, test module is finished test operation to stored-program control exchange by the order that receives; And test result sent back to controller.
Test for the ease of the stored-program control exchange to various models, test module can smoothly be expanded, and controller can a plurality of test modules of centralized control, also can carry out decentralized control to more test module by a plurality of controllers networkings back.
A control card 3 arranged in that controller shown in Figure 1 is inner configurable, in order to finish the information communication between controller 2 and the test module 10.
With test control program writing controller 2.The order that the control card 3 of configuration receives self-controller 2 build-in test softwares to send, handle after connection 5 is given corresponding test module, allow test module finish test operation through service cable and junction cable 39 to stored-program control exchange according to the order that receives, test result is sent back to control card 3 through connection 5 again, by reporting controller 2 to handle after control card 3 arrangements.
As shown in Figure 2, above-mentioned test module can comprise;
Be used for communication reception/transtation mission circuit 14 with the controller contact;
Be used to sort the command decoder 16 of the control order that communication reception/transtation mission circuit received;
The Executive Module 20 of concrete testing procedure is implemented in the order of sending here by command decoder;
Receive the Executive Module test result and report the information process unit 18 of controller by communication reception/transtation mission circuit.
Test module comprises the following steps: 1. by the order of communication reception/transtation mission circuit reception from control card to the test operation of stored-program control exchange, and deposits command buffer in; 2. after Management Information Base receives, command catalog, give Executive Module by certain built-up sequence by command decoder; 3. Executive Module is specifically carried out test operation, and the result is deposited in information process unit, reports controller by information process unit by communication reception/transtation mission circuit.
Fig. 3 is the block diagram of an Executive Module in the test module shown in Figure 2, wherein, digital signal produces circuit 22 and is used for producing the required various digital tone signal of test process (as double-tone), digital signal receiving circuit 23 is used to receive various digital tone signal, user/trunk line distribution network 21 receive that analog station group circuit or digital signal produce after the grouping of all subscribers feeders of stored-program control exchange and trunk line on request one by one and receiving circuit on, analog station group circuit 30 adds that by the general function phone A/D and D/A change-over circuit form, Fig. 4 is the composition structure of an analog station, find out thus, except A/D converter 31 and D/A converter 32, remaining circuit is the same with the general function phone, and it comprises:
A dialing tone testing circuit 33;
A ring-back tone testing circuit 34;
A busy tone testing circuit 35;
A bell flowing detecting circuit 36;
The double-tone number of a sending out unit 37;
A Pulse Dialing unit 38;
A kind of simple test example be exactly utilize two analog stations mutually conversation finish test to performance between switch two users' interface.
An embodiment of above-mentioned switch system test device as shown in Figure 5.In Fig. 5, Centralized Controller 200 and decentralized controller 201 all adopt the PC computer, control card adopts eight serial port boards 250 that insert on the PC expansion slot, 251, pass through eight serial port boards 250 between Centralized Controller 200 and the decentralized controller 201,251 a pair of serial ports 218,219 interconnected one-tenth networks, test module 231 is connected to first serial ports of eight serial port boards 250 through serial port communication line 211, test module 244 is connected to the 8th serial ports of eight serial port boards 251 through serial port communication line 224, like this, two PC computers, two eight serial port boards, article 14, serial port communication line is realized the test to large-scale stored-program control exchange with regard to may command 14 test modules fully independently.
The example of a test module of switch system test device shown in Figure 5 is seen Fig. 6, asynchronous serial port receiving circuit 302 receives order by serial ports 211,303 send into CPU305 through the parallel port, CPU305 receive orders and classify after send into command buffer 304, after Management Information Base received, CPU305 took out order again and sends into CPU minimum system 308,309,310 by class respectively through high speed serial ports 307 from command buffer 304.If CPU minimum system 308 receives orders, control figure signal processor 311 or send digital sound and give D/A converter 312 or receive digital sounds or carry out digital signal, signalling analysis then from A/D converter 313, in case receive signal, giving CPU305 through CPU minimum system 308 handles, be sent to serial ports 211 through asynchronous serial port transtation mission circuit 302 again, CPU305 and asynchronous serial port transtation mission circuit 302 are formed information process unit here; If CPU minimum system 310 receives orders, then control switch matrix 315 switches stored-program control exchange subscribers feeder 39 to analog station group 314 for one group by 64 tunnel users, or the stored-program control exchange digital trunk is directly switched to digital signal processor 311; If CPU minimum system 309 receives orders, then by 314 actions of flow process control analog station group, analog station group 314 contains 64 analog stations, realize the dislodging machine, dialing, the detection of various sounds such as dialing tone, ring-back tone, busy tone, and the ringing-current detection etc., testing result reports through CPU minimum system 309, in case form path through analog station group 314, then carry out the analysis of various data through A/D converter 313 and D/A converter 312 by digital signal processor 311, analysis result reports through CPU minimum system 308.
As a method of testing embodiment, as seen shown in Figure 7 is the flow chart of example with the attenuation-frequency characteristic between test subscriber A and the user B.
As shown in Figure 7, after CPU305 informs that the attenuation-frequency characteristic of carrying out between user A and the B is tested, under CPU309 control, analog station A and analog station B set up user A and user B telephone channel through switch earlier, then, flat by the generating of CPU308 control figure signal processor is 0dBm, frequency is that the single-tone of f0 is sent to user A after the D/A conversion, again through user A, path between the B is given analog station B and is changed through A/D, receive this single-tone level size by digital signal processor, circulate by step delta f then measures fm always, repeats above-mentioned test process and can test attenuation-frequency characteristic between exchanger user A and the user B.
From top scheme as can be seen, the present invention has following effect:
1. compare with single type system test device, apparatus of the present invention are because of having and the corresponding test module structure of stored-program control exchange modular construction, a test module can be finished the test of a module of switch, test when adopting level and smooth a plurality of test modules of expanding can finish the multimode larger switch simultaneously.So the switch to being made up of n module, the testing time can shorten n doubly, has promptly improved detection speed greatly.
2. system test device of the present invention can be tested all users of switch and trunk interface, and fault location is accurate.
3. system test device of the present invention is owing to adopt Digital Signal Processing in test module, improved measuring accuracy, borrow signal processor can carry out the test of various digital junctions of switch and transmission objective simultaneously, also shortened the testing time of single module switch.
4. the given system test device of the present invention when needing to increase new test function and power of test, can be realized expanding by increasing module because of adopting modular construction so easily.
5. system test device of the present invention can carry out Bulk Call call testing and intermodule test, and this provides strong means for the detection of large-scale stored-program control exchange.
Though more than the principle and the embodiment of switching equipment system test device and method of the present invention done to specify, but much less, those skilled in the art may make various all conspicuous remodeling or the changes that do not break away from by the determined spirit and scope of the invention of appended claims based on above explanation.
Claims (15)
1. the system test device of a programme-controlled exchange, it is characterized in that comprising controller and be connected a plurality of test modules between described controller and the switching equipment corresponding module to be measured concurrently with communication modes, the instruction that described test module sends according to described controller can side by side be finished the test of each each performance index of module of described switching equipment and test result is reported described controller.
2. the system test device of programme-controlled exchange as claimed in claim 1 is characterized in that: described controller is a Centralized Controller and N decentralized controller (wherein N is 〉=0 arbitrary integer).
3. the system test device of programme-controlled exchange as claimed in claim 1 or 2 is characterized in that described test module comprises:
Be used for communication reception/dispensing device with the controller contact;
Be used to sort the command decoder of the control order that communication reception/transtation mission circuit receives;
The Executive Module of concrete testing procedure is implemented in the order of sending here by command decoder;
Receive and handle the information process unit of described Executive Module test result.
4. the system test device of programme-controlled exchange as claimed in claim 3 is characterized in that described Executive Module comprises: digital signal generation device, digital signal processing apparatus and the user/trunk line of stored-program control exchange produced to analog station group circuit, relaying test group circuit, digital signal by certain sequence allocation and the user/trunk line distribution network of receiving system.
5. the system test device of programme-controlled exchange as claimed in claim 4 is characterized in that each phone circuit in the described analog station group circuit comprises:
A. be used for the analog subscriber conversion of signals is become the A/D converter of digital signal;
B. be used for digital signal is converted to the D/A converter of analog subscriber signal;
C. dialing tone testing circuit;
D. ring-back tone testing circuit;
E. busy tone testing circuit;
F. bell flowing detecting circuit;
G. the double-tone number of sending out unit;
H. Pulse Dialing unit;
I. dislodging machine circuit;
Above-mentioned C, D, E three-circuit also can be combined into a signal tone testing circuit, and above-mentioned H, I also can be combined into a dislodging machine and pulse signaling circuit.
6. the system test device of programme-controlled exchange as claimed in claim 1 or 2, it is characterized in that: described controller can adopt computer.
7. as the system test device of programme-controlled exchange as described in claim 1 or 2, it is characterized in that to be provided with control card in the described controller, in order to finish the information communication between described controller and described test module.
8. the system test device of programme-controlled exchange as claimed in claim 7, it is characterized in that described controller is by the interconnected one-tenth network of described control card, realization is to the test of large-scale programme-controlled exchange, described control card can adopt serial/parallel mouthful of card of multichannel according to demand, the LAN card, communication card or telecommunication circuits such as LAPD.
9. the system test device of programme-controlled exchange as claimed in claim 3, it is characterized in that described communication reception/transtation mission circuit comprises asynchronous serial port reception/transtation mission circuit and serial ports, the parallel port, this asynchronous serial port transtation mission circuit and CPU form described information process unit, and this CPU and its peripheral circuit and RAM form described command decoder.
10. the system test device of programme-controlled exchange as claimed in claim 9, it is characterized in that: wherein said Executive Module comprises a plurality of CPU minimum system, digital signal processor and switch matrix that respectively have communication interface.
11. a programme-controlled exchange whole-machine test method is characterized in that comprising the steps:
A. respectively according to the test module of switching equipment capacity setting respective number to be measured, and be connected between controller and the stored-program control exchange to be measured described test module is parallel;
B. with the test control program writing controller;
C. make controller send test command and send test module to, test module is finished test operation to described programme-controlled exchange by the order that receives;
D. make described test module that test result is sent back to controller.
12., it is characterized in that this method can be with a plurality of test modules of controller centralized control as the method for switching equipment system test as described in the claim 11.
13. whole-machine test method as claimed in claim 11 is characterized in that this method can be by a plurality of controller networkings to each test module implementation decentralized control.
14. whole-machine test method as claimed in claim 11 is characterized in that described test module adopts Digital Signal Processing
15. whole-machine test method as claimed in claim 11 is characterized in that described test module adopts following steps to the test operation of programme-controlled exchange;
A. receive the order of self-controller by the communication receiving circuit of described test module, and deposit it in command buffer;
B. after Management Information Base receives, command catalog, give the Executive Module of described test module by certain built-up sequence by the command decoder of described test module;
C. described Executive Module is specifically carried out test operation, and the result is deposited in the information process unit of described test module;
D. the communication transtation mission circuit by described test module is sent to described controller with test result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96102625A CN1060304C (en) | 1996-01-25 | 1996-01-25 | Device and method for whole machine testing of programable control exchange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96102625A CN1060304C (en) | 1996-01-25 | 1996-01-25 | Device and method for whole machine testing of programable control exchange |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1193878A true CN1193878A (en) | 1998-09-23 |
| CN1060304C CN1060304C (en) | 2001-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96102625A Expired - Lifetime CN1060304C (en) | 1996-01-25 | 1996-01-25 | Device and method for whole machine testing of programable control exchange |
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| Country | Link |
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| CN (1) | CN1060304C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004006591A1 (en) * | 2002-07-08 | 2004-01-15 | Huawei Technologies Co., Ltd. | A Method of realizing communicating between modules of system devices |
| CN100366003C (en) * | 2005-04-28 | 2008-01-30 | 华为技术有限公司 | Device and method for emulated route analysis test |
| CN101232412B (en) * | 2008-02-18 | 2010-12-08 | 中兴通讯股份有限公司 | Communication network element performance test apparatus and method |
| CN102193058A (en) * | 2010-01-26 | 2011-09-21 | 爱德万测试株式会社 | Test apparatus and test module |
| CN104931086A (en) * | 2014-03-18 | 2015-09-23 | 光宝电子(广州)有限公司 | Parallel multi-station test system and test method thereof |
| CN107478933A (en) * | 2017-08-23 | 2017-12-15 | 北京电子工程总体研究所 | A kind of distributed test system based on CompactRIO and fiber optic network |
| CN114363159A (en) * | 2021-12-29 | 2022-04-15 | 国网天津市电力公司 | Relay signaling simulation detection device for power secondary system |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1248994C (en) | 2001-07-02 | 2006-04-05 | 埃克森美孚化学专利公司 | Inhibiting catalyst coke formation in the manufacture of an olefin |
| US7271123B2 (en) | 2002-03-20 | 2007-09-18 | Exxonmobil Chemical Patents Inc. | Molecular sieve catalyst composition, its making and use in conversion process |
| US6872680B2 (en) | 2002-03-20 | 2005-03-29 | Exxonmobil Chemical Patents Inc. | Molecular sieve catalyst composition, its making and use in conversion processes |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ383292A3 (en) * | 1992-02-18 | 1994-03-16 | Koninkl Philips Electronics Nv | Method of testing electronic circuits and an integrated circuit tested in such a manner |
| CN2132359Y (en) * | 1992-06-10 | 1993-05-05 | 长春市朝阳区华光通讯电子研究所 | Programme control measuring position |
| DE59209188D1 (en) * | 1992-07-31 | 1998-03-12 | Siemens Ag | Test procedure for the subscriber connection test |
-
1996
- 1996-01-25 CN CN96102625A patent/CN1060304C/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004006591A1 (en) * | 2002-07-08 | 2004-01-15 | Huawei Technologies Co., Ltd. | A Method of realizing communicating between modules of system devices |
| US7561583B2 (en) | 2002-07-08 | 2009-07-14 | Huawei Technologies Co., Ltd. | Method of realizing communicating between modules of system devices |
| CN100366003C (en) * | 2005-04-28 | 2008-01-30 | 华为技术有限公司 | Device and method for emulated route analysis test |
| CN101232412B (en) * | 2008-02-18 | 2010-12-08 | 中兴通讯股份有限公司 | Communication network element performance test apparatus and method |
| CN102193058A (en) * | 2010-01-26 | 2011-09-21 | 爱德万测试株式会社 | Test apparatus and test module |
| CN104931086A (en) * | 2014-03-18 | 2015-09-23 | 光宝电子(广州)有限公司 | Parallel multi-station test system and test method thereof |
| CN107478933A (en) * | 2017-08-23 | 2017-12-15 | 北京电子工程总体研究所 | A kind of distributed test system based on CompactRIO and fiber optic network |
| CN114363159A (en) * | 2021-12-29 | 2022-04-15 | 国网天津市电力公司 | Relay signaling simulation detection device for power secondary system |
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| Publication number | Publication date |
|---|---|
| CN1060304C (en) | 2001-01-03 |
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