CN201298864Y - Interface test system of foreign exchange station - Google Patents
Interface test system of foreign exchange station Download PDFInfo
- Publication number
- CN201298864Y CN201298864Y CNU2008201453460U CN200820145346U CN201298864Y CN 201298864 Y CN201298864 Y CN 201298864Y CN U2008201453460 U CNU2008201453460 U CN U2008201453460U CN 200820145346 U CN200820145346 U CN 200820145346U CN 201298864 Y CN201298864 Y CN 201298864Y
- Authority
- CN
- China
- Prior art keywords
- test
- circuit
- fxs
- interface
- automatic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Monitoring And Testing Of Exchanges (AREA)
Abstract
The utility model relates to a FXS interface test system which comprises a passive FXS test auxiliary device and a tested device including a plurality of test interfaces. The passive FXS test auxiliary device comprises a plurality of test circuits, each test circuit comprises a first telephone interface, a first ringing detection circuit, a first automatic pick-up holding circuit, an alternating-current coupling circuit, a second ringing detection circuit, a second automatic pick-up holding circuit and a second telephone interface, wherein, the first telephone interface is respectively connected to the first ringing detection circuit and the first automatic pick-up holding circuit which are connected, the first automatic pick-up holding circuit is connected to the alternating-current coupling circuit, the second telephone interface is respectively connected to the second ringing detection circuit and the second automatic pick-up holding circuit which are connected, the second automatic pick-up holding circuit is connected to the alternating-current coupling circuit, and the first telephone interface and the second telephone interface are connected to two test interfaces of the tested device respectively through a common telephone line. The utility model has the advantages of simple structure and low cost and is suitable for batch production.
Description
[technical field]
The utility model is the integrated access equipment that contains the analog subscriber interface about a kind of, is meant a kind of FXS (Foreign Exchange Station, FXS) interface test system especially.
[background technology]
FXS (Foreign Exchange Station, FXS) is a kind of cable voice port, is that a line scan pickup coil side between digital telephone exchange system and the POTS phone connects.In digital SPC exchange or other integrated access equipment, be widely used.The automatic test that how to realize the FXS interface becomes problem demanding prompt solution in the production, along with the increase of interface quantity, needs a large amount of testers to be used for the exfactory inspection of product.
In the test environment of present application, can test by manual method, promptly do not need extra equipment, only need manpower that each FXS interface is carried out ring, off-hook, speaking test, but need to drop into the test that a lot of telephone sets are used for interface, same equipment input and human input produce little effect, and can not enhance productivity.Also have and use special-purpose FXS interface testing instrument, these FXS interface testing instruments are to be made of a lot of FXO (Foreign Exchange Office, FXO) interface, and the price of itself is very expensive, for production test, more impracticable.
The purpose of production test is just in order to prove that function of product own and performance all are normal, it is not the index of coming test products, so it is unpractical using a large amount of manpowers and expensive testing equipment to produce, how quick, finish the test of equipment efficiently, become a key factor that influences output.
Existing testing equipment also is confined to each FXS interface and is equipped with a FXO interface or ordinary telephone set, and this is undoubtedly a kind of big cost input very for the equipment that contains lot of F XS interface.So-called cost input mainly is based on the one-time investment of equipment, and the low input of production efficiency.
If adopting phone directly tests, need be phone of each FXS interface configuration,, test 10 machines simultaneously if the FXS interface quantity of individual equipment reaches 30, what need is exactly 300 Daepori message registers, except phone, also need to dispose a lot of operators and dial tests such as off-hook, in batch process, work inefficient in this is fully can not be received, and what we will imagine is exactly to adopt automated procedures, finishes the test of FXS interface function and performance.If select to buy independent FXS testing equipment, just contain the equipment of FXO interface, the manufacturing cost of this testing equipment is big, also is that production is unacceptable.
As shown in Figure 1, be existing first kind of test system hardware connection layout, the FXS interface in the equipment can be divided according to two one group, group with organize between testing process identical, only set forth the testing process of two FXS interfaces here.
Couple together between every two-way FXS mouth, adopt artificial mode to test.If test FXS1 and FXS2 need be connected to FXS1 and FXS2 on the common phone, manually carry out dialup test then, at first be first, dial the number that FXS2 goes up telephone set, behind the ringing telephone stations on the FXS2 with the telephone set on the FXS1, off-hook, and speaking test.With the telephone set on the FXS2, call out the number that FXS1 goes up telephone set again, behind the ringing telephone stations on the FXS1, off-hook, and speaking test.
As shown in Figure 2, be existing second kind of test system hardware connection layout, the FXS interface in the equipment can be divided according to two one group, group with organize between testing process identical, only set forth the testing process of two FXS interfaces here.This system utilizes special-purpose FXS testing equipment, and this special equipment can be the equipment that contains the FXO mouth, testing equipment cost height, and be individual independently system, this kind system also is not suitable for producing in batches.The basic test flow process of this kind system is exactly, utilizing testing equipment is an independently system, adopt certain technological means, send call instruction by code control testing equipment, and to the equipment under test off-hook, and transmission signals gives the FXS interface of equipment under test, thereby finishes the test of FXS interface.
Above-mentioned second kind of test macro is better than first kind of test macro, just is to have liberated manpower, has added testing equipment, can finish the test assignment of equipment under test FXS interface by the setting of software automatically.But thing followed problem is exactly the increase of cost, and a testing equipment is exactly an independently embedded system, and its cost surpasses equipment under test at least, and such input also is not suitable for producing in batches.
To sum up can have the following shortcoming of measuring technology:
1, needs a large amount of analog station of configuration, single port testing equipment input cost height;
2, need the intervention of manpower, automaticity is low, the human cost height;
3, as adopting special-purpose testing equipment, the testing equipment input is very high, is not suitable for batch process.
[utility model content]
Technical problem to be solved in the utility model is to provide a kind of and finishes intercommunication between the FXS interface by the low-cost inactive component in outside, utilizes the FXS interface test system of FXS interface testing FXS interface.
The utility model solves the problems of the technologies described above by the following technical programs: a kind of foreign exchange station interface system, comprise testing equipment and equipment under test, described equipment under test comprises a plurality of test interfaces, described testing equipment is passive FXS test accessory, passive FXS test accessory comprises a plurality of test circuits, each test circuit comprises first telephony interface, first ring detecting circuit, the first automatic off-hook holding circuit, ac-coupled circuit, second ring detecting circuit, the second automatic off-hook holding circuit, and second telephony interface, wherein first telephony interface is connected respectively to first ring detecting circuit and the first automatic off-hook holding circuit, first ring detecting circuit and the first automatic off-hook holding circuit link to each other, the first automatic off-hook holding circuit is connected to ac-coupled circuit, second telephony interface is connected respectively to second ring detecting circuit and the second automatic off-hook holding circuit, second ring detecting circuit and the second automatic off-hook holding circuit link to each other, the second automatic off-hook holding circuit is connected to ac-coupled circuit, and described first telephony interface and second telephony interface are connected on two test interfaces of equipment under test by ordinary telephone line respectively.
The advantage of a kind of foreign exchange station interface of the utility model system is:
1, utilizes the FXS mouth of product itself,, finish the test of two FXS interfaces simultaneously, single FXS interface testing cost is reduced by the butt joint between the technological means realization FXS interface;
2, further, this testing equipment is simple in structure, and the device of using is general-purpose device, and is with low cost, is fit to produce in batches;
3, the automatic test degree improves, and does not need the great amount of manpower intervention, by the cooperation of product software, can very perfectly finish the function and the performance test of FXS interface;
3, further, be easy to find the fault of product, can report the detected state of product very intuitively, greatly facilitate production, and enhance productivity by means such as indicator lights by the test record of oneself in the product.
[description of drawings]
The utility model will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the hardware connection layout of existing first kind of FXS interface test system.
Fig. 2 is the hardware connection layout of existing second kind of FXS interface test system.
Fig. 3 is the connection diagram of a kind of FXS interface test system of the utility model.
Fig. 4 is the circuit block diagram of passive FXS test accessory in a kind of FXS interface test system of the utility model.
Fig. 5 is the physical circuit connection layout of passive FXS test accessory.
Fig. 6 is the software flow pattern of a kind of FXS interface test system of the utility model.
[embodiment]
Seeing also Fig. 3, is the connection diagram of a kind of FXS interface test system of the utility model, and this FXS interface test system comprises passive FXS test accessory 10 and equipment under test 20.
Many weeks, the FXS interface can not directly link to each other with the FXS interface, and can only be connected with the interface of FXO jaws equipment or similar FXO mouth, but after having increased a passive FXS test accessory 10 of the present utility model, makes FXS interface and FXS interface couple together.After FXS1 and FXS2 connect into a path, in the time of test FXS1, can be used as testing equipment to FXS2 so, in the time of test FXS2, FXS1 is used as testing equipment.Testing equipment of just having saved the expensive FXO of containing interface like this.And then finish the test of FXS interface automatically according to the default flow process of software.
In the present embodiment, passive FXS test accessory 10 comprises telephony interface 1 and telephony interface 2, and equipment under test 20 comprises a plurality of test interfaces, and test interface FXS1 to FXS6 has been shown among Fig. 3.This telephony interface 1 is connected to the FXS1 (test interface 1) of equipment under test 20, and telephony interface 2 is connected to the FXS2 (test interface 2) of equipment under test 20.
Seeing also Fig. 4, is the circuit block diagram of this passive FXS test accessory 10.Comprise a plurality of test circuits 12, the structure of each test circuit 12 is identical, and separate setting, specifies the composition of this test circuit 12 below with the structure of one of them test circuit 12.
This test circuit 12 comprises first telephony interface 120, first ring detecting circuit 121, the first automatic off-hook holding circuit 122, ac-coupled circuit 123, second ring detecting circuit 124, the second automatic off-hook holding circuit 125, and second telephony interface 126.
Wherein first telephony interface 120 is connected respectively to first ring detecting circuit 121 and the first automatic off-hook holding circuit 122, first ring detecting circuit 121 and the first automatic off-hook holding circuit 122 link to each other, and the first automatic off-hook holding circuit 122 is connected to ac-coupled circuit 123.
First ring detecting circuit 121 and second ring detecting circuit 124 are to detect the bell signal that comes from the FXS interface, and the result who detects is fed back to the first automatic off-hook holding circuit 122 and the second automatic off-hook holding circuit 125 respectively.
After the function that the first automatic off-hook holding circuit 122 and the second automatic off-hook holding circuit 125 realize is the off hook signal that receives from first ring detecting circuit 121 and second ring detecting circuit, 124 feedbacks, automatically realize the off-hook of FXS interface, and the maintenance off hook state, up to the on-hook of initiatively cutting off the power supply of FXS interface.
The effect of described ac-coupled circuit 123 comprises isolated DC voltage, and the transmission AC signal also comprises audio signal in the signal of transmission, and bell signal, further, also comprises DTMF (dual-tone multifrequency) signal in the audio signal.
The operation principle of this test circuit 12 is as described below:
When test FXS1, after first telephony interface 120 receives the bell signal that FXS1 sends, first ring detecting circuit 121 can detect the current FXS1 that links to each other with first telephony interface 120 automatically and be in ringing condition, and this signal passed to the first automatic off-hook holding circuit 122, the first automatic off-hook holding circuit 122 makes the telephony interface 120 of winning be in off hook state, and this state passed to second telephony interface 126 by ac-coupled circuit 123, the second automatic off-hook holding circuit 125, make second telephony interface 126 also be in off hook state, and keep.When test during FXS2, the principle of principle when testing FXS1 is identical.
Because the existence of ac-coupled circuit 123 makes that transmitting that AC signal (voice signal and dtmf signal) can be unimpeded, direct current signal then are limited to transmit between two FXS interfaces.
This passive FXS test accessory 10 comprises a plurality of independently test circuits 12, be meant that each test circuit 12 can test two FXS interfaces simultaneously, the combination that this passive FXS test accessory 10 is a plurality of test circuits 12 can be finished the product with different scales FXS interface quantity.
The utility model has been realized being connected between FXS interface and the FXS interface by this passive FXS test accessory 10, and this passive FXS test accessory 10 is made simple, with low cost.A kind of specific implementation of the test circuit 12 of this passive FXS test accessory 10 as shown in Figure 5, certainly, also can adopt other circuit implementation, because interface circuit, automatic off-hook holding circuit, ac-coupled circuit, ring detecting circuit all have very ripe circuit design scheme, no longer be described in detail concrete circuit connecting mode.
See also shown in Figure 6, it is the test flow chart of a kind of FXS interface test system of the utility model, the basic principle of this testing process is exactly the analog manual operation, make the FXS interface send bell signal, the other side's off-hook, and tested speech path, test contents is ringer function, detect handoff functionality, voice transmission capabilities etc.The method of using above-mentioned FXS interface test system to carry out the FXS interface testing comprises the following step of carrying out successively:
Program starts from step S602;
Step S604: control all FXS interfaces and stop feed, postpone 300ms after, and then control all FXS interfaces and all power on, this step is used to detect the ability that the FXS interface keeps hook state;
Step S606: tested port FXS1 ringing-signal feeding, passive FXS testing auxiliary device 10 can detect ring automatically and make FXS1 and FXS2 be in off hook state simultaneously this moment, and this step is used for detecting FXS interface ring ability and detects the ability of off hook state;
Step S608:FXS1 sends dtmf tone, is respectively 1,2,3,4,5,6,7,8,9,0, *, #;
Step S610:FXS2 receives and identifies 1,2,3,4,5,6,7,8,9,0 of FXS1 transmission, *, #;
Step S612: whether the dtmf signal that system check FXS2 receives is set point, if the signal that FXS1 sends is consistent with the signal that FXS2 receives, think that then voice transfer is normal, simultaneity factor DTMF detects normal, and this step just test macro receives the dialing tone ability;
Step S614: control FXS1 and FXS2 outage, function is to allow the on-hook of two FXS interfaces, postpones to power on for again the FXS1 and the FXS2 that are testing behind the 300ms, FXS1 and FXS2 all are in hook state at this moment;
Step S616: tested interface FXS2 ringing-signal feeding, passive FXS testing auxiliary device 10 can detect ring automatically and make FXS1 and FXS2 be in off hook state simultaneously this moment, and this step is in order to detect the ability of FXS interface ring ability and detection off hook state;
Step S618:FXS2 sends dtmf tone, is respectively 1,2,3,4,5,6,7,8,9,0, *, #;
Step S620: this moment, FXS1 should receive and identify 1,2,3,4,5,6,7,8,9,0, *, #;
Step S622: whether the dtmf signal that system check FXS1 receives is set point, if the signal that FXS2 sends is consistent with the signal that FXS1 receives, think that then voice transfer is normal, simultaneity factor DTMF detects normal, and this step just test macro receives the dialing tone ability;
Step S624: control FXS1 and FXS2 outage, function is to allow the on-hook of two FXS interfaces, postpones to power on for again two ports testing behind the 300ms, FXS1 and FXS2 all are in hook state at this moment;
Step S626: if above-mentioned arbitrary step test crash then enters step S628;
Step S628: outside indicator light is in the quickflashing state, to inform the operator, the failure of FXS interface testing;
Step S628: if above step is all normal, then the FXS interface function and the performance of proof test are normal, finish test.
Claims (1)
1. foreign exchange station interface system, comprise testing equipment and equipment under test, described equipment under test comprises a plurality of test interfaces, it is characterized in that: described testing equipment is passive FXS test accessory, passive FXS test accessory comprises a plurality of test circuits, each test circuit comprises first telephony interface, first ring detecting circuit, the first automatic off-hook holding circuit, ac-coupled circuit, second ring detecting circuit, the second automatic off-hook holding circuit, and second telephony interface, wherein first telephony interface is connected respectively to first ring detecting circuit and the first automatic off-hook holding circuit, first ring detecting circuit and the first automatic off-hook holding circuit link to each other, the first automatic off-hook holding circuit is connected to ac-coupled circuit, second telephony interface is connected respectively to second ring detecting circuit and the second automatic off-hook holding circuit, second ring detecting circuit and the second automatic off-hook holding circuit link to each other, the second automatic off-hook holding circuit is connected to ac-coupled circuit, and described first telephony interface and second telephony interface are connected on two test interfaces of equipment under test by ordinary telephone line respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201453460U CN201298864Y (en) | 2008-08-26 | 2008-08-26 | Interface test system of foreign exchange station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201453460U CN201298864Y (en) | 2008-08-26 | 2008-08-26 | Interface test system of foreign exchange station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201298864Y true CN201298864Y (en) | 2009-08-26 |
Family
ID=41044852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201453460U Expired - Lifetime CN201298864Y (en) | 2008-08-26 | 2008-08-26 | Interface test system of foreign exchange station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201298864Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102333163A (en) * | 2011-06-01 | 2012-01-25 | 迈普通信技术股份有限公司 | External auxiliary testing apparatus, and testing system thereof and method thereof |
| CN101662542B (en) * | 2008-08-26 | 2012-06-06 | 福建星网锐捷通讯股份有限公司 | System and method for testing foreign exchange station interface |
| CN113645358A (en) * | 2021-08-09 | 2021-11-12 | 迈普通信技术股份有限公司 | Voice interface detection device, system and method |
-
2008
- 2008-08-26 CN CNU2008201453460U patent/CN201298864Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101662542B (en) * | 2008-08-26 | 2012-06-06 | 福建星网锐捷通讯股份有限公司 | System and method for testing foreign exchange station interface |
| CN102333163A (en) * | 2011-06-01 | 2012-01-25 | 迈普通信技术股份有限公司 | External auxiliary testing apparatus, and testing system thereof and method thereof |
| CN102333163B (en) * | 2011-06-01 | 2014-12-10 | 迈普通信技术股份有限公司 | External auxiliary testing apparatus, and testing system thereof and method thereof |
| CN113645358A (en) * | 2021-08-09 | 2021-11-12 | 迈普通信技术股份有限公司 | Voice interface detection device, system and method |
| CN113645358B (en) * | 2021-08-09 | 2023-08-29 | 迈普通信技术股份有限公司 | Voice interface detection device, system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101662542B (en) | System and method for testing foreign exchange station interface | |
| CN102333163B (en) | External auxiliary testing apparatus, and testing system thereof and method thereof | |
| CN201298864Y (en) | Interface test system of foreign exchange station | |
| CN101079920B (en) | Narrow user board with testing function and automatic testing method of user line | |
| CN107613147A (en) | A kind of special telephone line device for intelligently switching, test system and method for testing | |
| CN203968201U (en) | Automatically try telephone terminal and automatically try telephone system | |
| CN1984171A (en) | System and method for realizing speech apparatus function test | |
| CN103401768A (en) | Quick detection method for home gateway equipment interface | |
| CN201039271Y (en) | Service single board and testing system | |
| CN106656771A (en) | Access gateway device and method realizing basic calling in internal round trip of access gateway device | |
| CN215379024U (en) | Automatic testing system for voice function of optical transceiver | |
| CN102510415B (en) | Magnet telephone converter | |
| CN202424822U (en) | Device for testing calling and answering functions of mobile phone | |
| CN202309838U (en) | Telephone user interface module | |
| CN102984395B (en) | A kind of networking telephone automatic speech test structure | |
| CN101287038B (en) | Device and method capable of detecting reverse polarity of subscriber circuit | |
| CN101969514A (en) | Digital cordless telephone and multi-account number separation method thereof | |
| CN102739875B (en) | Detection method for voice gateway device | |
| CN210609348U (en) | Program-controlled telephone exchange detection equipment | |
| CN1123195C (en) | Automatic subscriber line and phone set testing card connected to access phone channel | |
| CN207427375U (en) | A kind of Ethernet passive optical network user Multi-path synchronous tester | |
| CN108810288A (en) | A kind of automatic monitoring system and monitoring method of substation's telephone system | |
| CN113206919B (en) | Automatic test system and test method for voice function of optical transceiver | |
| CN105101127A (en) | Abnormal call warning method and device | |
| CN216795064U (en) | Multi-path parallel automatic dialing detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090826 Effective date of abandoning: 20080826 |
|
| RGAV | Abandon patent right to avoid regrant |