CN1060304C - 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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- CN1060304C CN1060304C CN96102625A CN96102625A CN1060304C CN 1060304 C CN1060304 C CN 1060304C CN 96102625 A CN96102625 A CN 96102625A CN 96102625 A CN96102625 A CN 96102625A CN 1060304 C CN1060304 C CN 1060304C
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Abstract
The present invention relates to a device and a method for testing the complete device of a program control exchanger device. The testing device is composed of a controller and a testing module connected between the controller and an exchange device to be tested, wherein the controller at least comprises a concentrated controller, and the controller can be provided with a plurality of decentralized controllers. Because the device of the present invention has a testing modularized structure which corresponds to a modularized structure of the program control exchanger device, the testing time can be reduced to a plurality of times for the exchange device composed of a plurality of modules, and a digital signal processing technology is adopted in the testing module to increase precision. Moreover, the combination property of the large-size program control exchanger device can also be reflected.
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;
Dislodging machine circuit 29.
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 CPU 305 through the parallel port, CPU 305 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 CPU 305 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 CPU 309 controls, 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.
Can find out that from top scheme the present invention has following effect:
1. compare with single type system test device, apparatus of the present invention are because having the test corresponding with the programme-controlled exchange modular construction Modular construction, a test module can be finished the test of a module of switch, adopts a plurality of test modules of level and smooth expansion to get final product Test when finishing simultaneously the multimode larger switch. So to the switch that is made up of n module, the testing time can shorten n doubly, Namely greatly improved detection speed.
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 has improved measuring accuracy, simultaneously owing to adopt Digital Signal Processing in test module Borrow signal processor can carry out the test of the various digital junctions of switch and transmission objective, when also having shortened the test of single module switch Between.
4. the given system test device of the present invention is because adopting modular construction, like this when needing to increase new test function and test During ability, can realize easily expansion by increasing module.
5. system test device of the present invention can carry out the test of Bulk Call call testing and intermodule, and this gives large-scale programme-controlled exchange Detection provides strong means.
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 (13)
1, a kind of system test device of programme-controlled exchange, it is characterized in that: comprise controller and be connected test module between described controller and the switching equipment corresponding module to be tested concurrently with communication modes, the instruction that test module sends according to described controller can side by side be finished the test of described each performance index of switching equipment and test result is reported described controller, and described test module comprises: be used for the 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; And the information process unit that receives and handle described Executive Module test result.
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, it is characterized in that described Executive Module comprises: digital signal generation device, digital signal processing apparatus, analog station group circuit and user/trunk line distribution network, wherein digital signal generation device produces digital test signal according to the order of command decoder, become analog test signal through analog station group circuit conversion, be sent to switching equipment to be measured through user/trunk line distribution network; Switching equipment response signal to be measured is sent to analog station group circuit conversion through user/trunk line distribution network and becomes digital test signal, is sent to digital signal processing apparatus again and handles back carry information processing unit.
4, the system test device of programme-controlled exchange as claimed in claim 3, it is characterized in that each phone circuit in the described analog station group circuit comprises: A/D converter, D/A converter, a dialing tone testing circuit, a ring-back tone testing circuit, a busy tone testing circuit, a bell flowing detecting circuit, the double-tone number of a sending out unit, a Pulse Dialing unit, a dislodging circuit, wherein digital signal produces circuit-formed digital signal and converts analog signal to through D/A converter and be sent to switching equipment to be measured, the double-tone number of sending out unit, the signal that Pulse Dialing unit and dislodging circuit produce is sent to switching equipment to be measured, the dialing tone testing circuit, the ring-back tone testing circuit, the signal tone that busy tone testing circuit and bell flowing detecting circuit receive from switching equipment to be measured detects, and converts digital signal from the analog subscriber signal of switching equipment to be measured to through A/D converter and sends to digital signal receiving circuit.
5, the system test device of programme-controlled exchange as claimed in claim 1 or 2 is characterized in that: described controller adopts computer.
6, as the system test device of programme-controlled exchange as described in claim 1 or 2, it is characterized in that being provided with control card in the described controller, in order to finish the information communication between described controller and described test module.
7, the system test device of programme-controlled exchange as claimed in claim 6, its spy just is being 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 adopts serial/parallel mouthful of card of multichannel according to demand, the LAN card, LAPD speech card or telecommunication circuit.
8, the system test device of programme-controlled exchange as claimed in claim 1, 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, this CPU and other peripheral circuits and RAM form described command decoder, serial ports receives the order of self-controller, after asynchronous serial port reception/transtation mission circuit is handled, changed, is sent to command decoder by the parallel port and issues execution; Otherwise the information of information process unit reports controller by serial ports after the processing of asynchronous serial port reception/transtation mission circuit, conversion are sent in the parallel port.
9, the system test device of programme-controlled exchange as claimed in claim 8, it is characterized in that: wherein said Executive Module comprises a plurality of CPU minimum systems that respectively have communication interface, be used to receive the order of command decoder, control figure signal processor and switch matrix action, digital signal processor send switching equipment to be measured with the digital signal that produces through switch matrix, handles the response message that switching equipment to be measured reports through switch matrix simultaneously.
10, a kind of programme-controlled exchange whole-machine test method is characterized in that comprising the steps: respectively the test module according to switching equipment capacity setting respective number to be measured, and is connected between controller and the stored-program control exchange to be measured described test module is parallel; With the test control program writing controller; 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; Make described test module that test result is sent back to controller.
11,, it is characterized in that this method can be with a plurality of test modules of controller centralized control as whole-machine test method as described in the claim 10.
12, whole-machine test method as claimed in claim 10, its feature can be carried out decentralized control to each test module by a plurality of controller networkings in this method.
13, the whole-machine test method shown in claim 10, it is characterized in that described test module adopts following steps to the test operation of programme-controlled exchange: receive the order of self-controller by the communication receiving circuit of institute's test module, and deposit it in command buffer; 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; Described Executive Module is specifically carried out test operation, and the result is deposited in the information process unit of described test module; Communication transtation mission circuit by described test module is sent to described controller with test result.
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CN96102625A CN1060304C (en) | 1996-01-25 | 1996-01-25 | Device and method for whole machine testing of programable control exchange |
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CN96102625A CN1060304C (en) | 1996-01-25 | 1996-01-25 | Device and method for whole machine testing of programable control exchange |
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CN1193878A CN1193878A (en) | 1998-09-23 |
CN1060304C true CN1060304C (en) | 2001-01-03 |
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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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Cited By (3)
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US6787501B2 (en) | 2001-07-02 | 2004-09-07 | Exxonmobil Chemical Patents Inc. | Molecular sieve catalyst composition, its making and use in conversion processes |
US6872680B2 (en) | 2002-03-20 | 2005-03-29 | Exxonmobil Chemical Patents Inc. | Molecular sieve catalyst composition, its making and use in conversion processes |
US7271123B2 (en) | 2002-03-20 | 2007-09-18 | Exxonmobil Chemical Patents Inc. | Molecular sieve catalyst composition, its making and use in conversion process |
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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 |
CN1080447A (en) * | 1992-02-18 | 1994-01-05 | 菲利浦光灯制造公司 | Be used to test the method for the integrated circuit of the interconnecting channels relaying/switch testing assembly that has between a plurality of functional units and functional unit |
US5416825A (en) * | 1992-07-31 | 1995-05-16 | Siemens Aktiengesellschaft | Testing method for subscriber line testing |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1080447A (en) * | 1992-02-18 | 1994-01-05 | 菲利浦光灯制造公司 | Be used to test the method for the integrated circuit of the interconnecting channels relaying/switch testing assembly that has between a plurality of functional units and functional unit |
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 |
US5416825A (en) * | 1992-07-31 | 1995-05-16 | Siemens Aktiengesellschaft | Testing method for subscriber line testing |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6787501B2 (en) | 2001-07-02 | 2004-09-07 | Exxonmobil Chemical Patents Inc. | Molecular sieve catalyst composition, its making and use in conversion processes |
US7160831B2 (en) | 2001-07-02 | 2007-01-09 | Exxonmobil Chemical Patents Inc. | Molecular sieve catalyst composition, its making and use in conversion processes |
US7301065B2 (en) | 2001-07-02 | 2007-11-27 | Exxonmobil Chemical Patents Inc. | Molecular-sieve catalyst composition, its making and use in conversion processes |
US6872680B2 (en) | 2002-03-20 | 2005-03-29 | Exxonmobil Chemical Patents Inc. | Molecular sieve catalyst composition, its making and use in conversion processes |
US7271123B2 (en) | 2002-03-20 | 2007-09-18 | Exxonmobil Chemical Patents Inc. | Molecular sieve catalyst composition, its making and use in conversion process |
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