CN202309838U - Telephone user interface module - Google Patents
Telephone user interface module Download PDFInfo
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- CN202309838U CN202309838U CN201120531437XU CN201120531437U CN202309838U CN 202309838 U CN202309838 U CN 202309838U CN 201120531437X U CN201120531437X U CN 201120531437XU CN 201120531437 U CN201120531437 U CN 201120531437U CN 202309838 U CN202309838 U CN 202309838U
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Abstract
The utility model discloses a telephone user interface module, and belongs to an access device of stored program control telephone switch equipment and integrated access equipment. The telephone user interface module comprises an audio coding and decoding module, four voice interface circuits, a digital signal processor (DSP) logic control module and a relay changeover switch circuit, wherein the DSP logic control module is connected with the audio coding and decoding module, the relay changeover switch circuit and the four voice interface circuits respectively, and is connected with external equipment management control system through an external system control bus; and the relay changeover switch circuit is connected with the four voice interface circuits respectively. The DSP logic control module controls the switching of contacts of the relay changeover switch circuit to realize different test loops; the telephone user interface module has an intelligent parameter testing function; and equipment can be conveniently maintained, a maintenance cycle is shortened, and maintenance cost is decreased.
Description
Technical field
The utility model belongs to communication technical field, relates in particular to the access device of a kind of telephone set programme-controlled exchange machine equipment, speech multiplexing equipment etc., particularly a kind of telephone user interface module with parameter intelligent test function.
Background technology
Since 21 century, mechanics of communication has had development at full speed, and people have proposed increasingly high requirement to the high-endization development of communication apparatus, and people's requirement has been satisfied in the appearance of big capacity program-controlled digital telephone switchboard.The telephone user interface module is as the access interface of program-controlled digital telephone switchboard, speech multiplexing equipment etc.; Have feed, overvoltage protection, loop state supervision, filtering coder, two/four line conversions, circuit test and loop line test and the functions such as cutting bell of shaking; Owing to often receive the impact that the contact of lightning induction or forceful electric power causes, therefore damage than being easier to.Because the subscriber phone interface module is a kind of numeral, analog hybrid plate, its fault test does not in theory also have a kind of unified method with diagnosis.
Present telephone user interface module relatively bothers in fault detect; Generally need be by the professional test instrument, like oscilloscope, level meter, oscillator etc., operate by manual work and could detect the telephone user interface functional parameter; Carry out the manual analysis location again after finding out fault; Judge the failure cause of telephone user interface module, cause big, the consuming time length of work of maintenance personnel difficulty, inefficiency, maintenance cost is high.
External known telephone set programme-controlled exchange machine equipment; Like E-10B, ITT1240 etc.; Adopt needle-bar method testing and diagnosing fault,, have transmission, collection information advantage easily by each level point and wave form varies on the tested user's plate of computer " sensation "; But complex process, required precision are high, cost is high, promote the use of in China because invest excessive being difficult to.
The utility model content
The utility model technical problem to be solved is to the defective in the background technology; A kind of telephone user interface module with parameter intelligent test function is proposed; Make telephone user interface possess the parameter intelligent test function, with the reliability of enhanced system transmission, collection information.
The utility model adopts following technical scheme for solving the problems of the technologies described above:
A kind of telephone user interface module; Comprise audio coding and decoder module, four road cable voice port circuit; And DSP Logic control module, relay switching switch circuit; Wherein: said DSP Logic control module is connected with decoder module, relay switching switch circuit, four road cable voice port circuit with audio coding respectively, and is connected with the external device management control system through the external system control bus; Said relay switching switch circuit is connected with four road cable voice port circuit respectively.
Further optimization as the telephone user interface module of the utility model also comprises four road lightning-protection modules, and said relay switching switch circuit is connected with No. four substations through four road lightning-protection modules respectively.
Further optimization as the telephone user interface module of the utility model; Said DSP Logic control module comprises dsp chip, logic controller; Wherein dsp chip is connected with external device management control system, audio coding and decoder module respectively, and logic controller is connected with relay switching switch circuit, four road cable voice port circuit respectively.
As the further optimization of the telephone user interface module of the utility model, said each road cable voice port circuit is made up of power supply interface, 2/4 line conversion module and ringing-current trigger.
The utility model adopts above technical scheme compared with prior art, has following technique effect:
The utility model is on original telephone user interface module basis; Through setting up DSP Logic control module, relay switching switch circuit; Realize with the telephone user interface module in the effective of other functional module cooperate; Make the utility model possess reliable parameter intelligent test function, and make things convenient for plant maintenance, shorten maintenance period and reduce maintenance cost greatly.Simultaneously, can also reduce the development cost of main system, reduce the development time, enhanced system is sent, the reliability of collection information.
Description of drawings
Fig. 1 is the principle logical construction sketch map of the utility model.
Fig. 2 is the flat testing process sketch map of the generating of the utility model.
Fig. 3 is the flat busy relay switching switch circuit sketch map of the generating of the utility model.
Fig. 4 is the receipts level detecting schematic flow sheet of the utility model.
Fig. 5 is the receipts level detecting relay switching switch circuit sketch map of the utility model.
Fig. 6 is that the collection of letters of the utility model makes the testing process sketch map.
Fig. 7 is that the collection of letters of the utility model makes busy relay switching switch circuit sketch map.
Fig. 8 is the signaling testing process sketch map of the utility model.
Fig. 9 is the signaling busy relay switching switch circuit sketch map of the utility model.
Embodiment
Below in conjunction with accompanying drawing the technical scheme of the utility model is done further detailed description:
As shown in Figure 1, the audio coding that the utility model comprises four road lightning-protection modules, relay switching switch circuit, four road cable voice port circuit, DSP Logic control module and is used to accomplish the voice signal D/A switch becomes with the decoding module groups.Wherein audio coding and decoder module, DSP logic control element, relay switching switch circuit are the CU common unit of 4 road cable voice port circuit; Each road cable voice port circuit is made up of power supply interface, 2/4 line conversion module and ringing-current trigger.
Audio coding and decoder module comprise coding module, decoder module, and wherein, coding module will carry out A/D through encoder from 4 road analogue voice signals of user's phone and convert digital signal to, so that signal carried out next step processing; Decoder module will carry out the D/A conversion through decoder module from the speech coding signal of transmission line and be reduced into analogue voice signal, so that the phone user hears the sound of perfect first speaker.In the specific implementation, can adopt existing multi-path voice codec to realize.
Lightning-protection module is comparative maturity in the prior art, and when being used for the high electric current high voltage from the phone direction, protection starting will directly be eliminated from protection from the high electric current high voltage signal of phone direction on the ground.
The embodiment of the utility model is following:
The utility model is applied to multiplexing equipment, stored-program control exchange etc. need be provided in the equipment of telephone user interface module; Carry out secondary development in conjunction with the management control system of forming by the main control unit of background management system and equipment, realize intelligence test function the telephone user interface module.
Test to the telephone user interface module is a passive process of carrying out the parameter intelligent test; When needs are tested, at first send test instruction for the DSP Logic control module, after the DSP Logic control module analysis instruction by external control system; Switching through control relay switching switch circuit repeat circuit contact; Form different test loops, then each test loop is tested respectively accordingly, comprise level transmitting-receiving test, signaling receiving and transmission test.
External control system is the process of in order every road being tested one by one to the test of telephone user interface module; As shown in Figure 1; The telephone user interface module that the utility model relates to has 4 road cable voice port circuit; During this interface type normality is FXS, may be selected to be FXO during test, and interface type is selected to control to it through the DSP Logic control module.Level transmitting-receiving needs FXO, FXS pairing with signaling receiving and transmission test, for example, when test first via cable voice port, is chosen as the pairing test circuit with the second the tunnel, and is changed to the FXO interface with the second the tunnel, and the test interface circuit type selecting of matching is following:
| Tested interface circuit FXS | Pairing test interface circuit FXO |
| The first via | The second the tunnel |
| The second the tunnel | Third Road |
| Third Road | The four the tunnel |
| The four the tunnel | The first via |
1. the flat test of generating
As shown in Figure 2, flat with 1 generating of test cable voice port circuit is example, and the telephone user interface module has 4 road cable voice port circuit, and master control system is following to the flat test process of the generating of this module:
The actuating of relay:
As shown in Figure 3, solid line is connected to normal operating conditions between the contact of relay switching switch circuit, and dotted line is connected to and switches back state, i.e. interface testing state.
The relay contact that the DSP Logic control module is controlled the 1 tunnel, the 2 road cable voice port circuit switches; Back BC disconnection is switched in the contact, and BA links to each other, and the 1 tunnel and the 2 tunnel subscribers feeder Ring and Tip are connected; Break off the line with telephone set simultaneously, and connect the off-hook resistance of 600 Ω cable voice ports.
Interface type is selected:
DSP Logic control module control cable voice port circuit 2 makes this road interface type be chosen as FXO;
Control system is sent test instruction, acceptance test result, accomplishes test process:
The external device management control system is sent analog signal 1Khz/0dB (16 ary codes) through system bus and is given the telephone user interface module, and this signal is after DSP Logic control module, decoder processes, and (FXO) is reduced into analog signal by cable voice port circuit 2.Because the first via and the second road speech plate relay contact switch simultaneously; So the analog signal of the second tunnel output is delivered to first via interface and is arrived coder processes output again; Send control system back to through the processing of DSP Logic control module, accomplish the flat test of first via cable voice port generating.
The control unit of external device management control system carries out computing, contrast with signal that sends and the signal of receiving, judges whether interface module is unusual, judges that the reference parameter value of receiving level is-3.5dB ± 2dB that going beyond the scope shows that interface module has fault.
2. receive level detecting
As shown in Figure 4, receiving level with test cable voice port circuit 1 is example, and master control system is following to the receipts level detecting process of telephone user interface module:
The actuating of relay:
As shown in Figure 5, solid line is connected to normal operating conditions between the contact of relay switching switch circuit, and dotted line is connected to and switches back state, i.e. interface testing state.
The relay contact that the DSP Logic control module is controlled the 1 tunnel, the 2 road cable voice port circuit switches; Back BC disconnection is switched in the contact, and BA links to each other, and the 1 tunnel and the 2 tunnel subscribers feeder Ring and Tip are connected; Break off the line with telephone set simultaneously, and connect the off-hook resistance of 600 Ω cable voice ports.
Interface type is selected:
DSP Logic control module control cable voice port circuit 2 makes this road interface type be chosen as FXO;
Control system is sent test instruction, acceptance test result, accomplishes test process:
The external device management control system is sent analog signal 1Khz/0dB (16 ary codes) through system bus and is given the telephone user interface module, and this signal is after DSP Logic control module, decoder processes, and (FXS) is reduced into analog signal by cable voice port circuit 1.Owing to the first via, switch simultaneously with the second road speech plate relay contact; So the analog signal of the 1 tunnel output is delivered to the 2 road interface and is arrived coder processes output again; Send control system back to through the processing of DSP Logic control module, accomplish the test of first via cable voice port incoming level.
The control unit of external device management control system with signal that sends and the signal received compare, computing, judge whether interface module unusual, judge that the reference parameter value of receipts level is-3.5dB ± 2dB that the specification interface that goes beyond the scope module has fault.
3. signaling Acceptance Tests
As shown in Figure 6, be example with 1 collection of letters order of test cable voice port circuit, the telephone user interface module is collected mail and is made test process be described below:
The actuating of relay:
As shown in Figure 7, solid line is connected to normal operating conditions between the contact of relay switching switch circuit, and dotted line is connected to and switches back state, i.e. interface testing state.
The relay contact that the DSP Logic control module is controlled the 1 tunnel, the 2 road cable voice port circuit switches; The contact is switched back BC and is broken off; BA links to each other, and the subscribers feeder Ring of ringing-current incoming line and the 2 tunnel and Tip are connected, and breaks off the line of 2 road voice user lines and telephone set simultaneously.
Interface type is selected:
DSP Logic control module control cable voice port circuit 2 makes this road interface type be chosen as FXO;
Control system is sent test instruction, acceptance test result, accomplishes test process:
The external device management control system is sent to collect mail through system bus and is made test instruction give the telephone user interface module; Trigger ringing current generator simultaneously and send ringing-current; After the DSP Logic control module was received instruction, the control relay contact was switched, the 2 road speech is changed to the FXO interface.The FXO mouth detects ringing signal and sends the M signaling to the DSP Logic control module; The DSP Logic control module sends the E signaling through voice encryption device to first via cable voice port after receiving the M signaling; Again the E signaling is delivered to the DSP Logic control module; Send control system back to through the processing of DSP Logic control module, accomplish the collection of letters order test of first via FXS interface.
If the control unit of external device management control system is not received the E signaling of expection, the specification interface module has fault.
4. signaling is sent out test
As shown in Figure 8, be example with test cable voice port circuit 1 signaling, telephone user interface module signaling test process is described below:
The actuating of relay:
As shown in Figure 9, solid line is connected to normal operating conditions between the contact of relay switching switch circuit, and dotted line is connected to and switches back state, i.e. interface testing state.
The relay contact that the DSP Logic control module is controlled the 1 tunnel, the 2 road cable voice port circuit switches; The contact is switched back BC and is broken off; BA links to each other; The 1 tunnel subscribers feeder Ring and Tip are connected through 600 Ω off-hook resistance, simulate first via phone off-hook, break off the line of 2 road voice user lines and telephone set simultaneously.
Interface type is selected:
DSP Logic control module control cable voice port circuit 2 makes this road interface type be chosen as FXO;
Control system is sent test instruction, acceptance test result, accomplishes test process:
The external device management control system is sent the signaling test instruction through system bus and is given the telephone user interface module, and after the DSP Logic control module was received instruction, the control relay contact was switched, the 2 road speech is changed to the FXO interface.Because relay contact switches; This FXS interface user off-hook is simulated in the short circuit of first via voice user line; And to DSP Logic control module transmission M signaling, the DSP Logic control module sends the E signaling through voice encryption device to the second road cable voice port after receiving the M signaling, again the E signaling is delivered to the DSP Logic control module; Send control system back to through the processing of DSP Logic control module, accomplish the signaling test of first via FXS interface.
If the control unit of external device management control system is not received the E signaling of expection, the specification interface module has fault.
The utility model compared with prior art; The process of the sampling of same completion generated telephone speech signal, quantification, coding, decoding; But different is to implant DSP Logic control module, relay switching switch circuit effectively; And the effective of other functional module cooperates in realization and the telephone user interface module, thereby make it possess the parameter intelligent test function.
Claims (4)
1. a telephone user interface module comprises audio coding and decoder module, four road cable voice port circuit; It is characterized in that, also comprise DSP Logic control module, relay switching switch circuit, wherein:
Said DSP Logic control module is connected with decoder module, relay switching switch circuit, four road cable voice port circuit with audio coding respectively, and is connected with the external device management control system through the external system control bus; Said relay switching switch circuit is connected with four road cable voice port circuit respectively.
2. telephone user interface module according to claim 1 is characterized in that: also comprise four road lightning-protection modules, said relay switching switch circuit is connected with No. four substations through four road lightning-protection modules respectively.
3. telephone user interface module according to claim 1; It is characterized in that: said DSP Logic control module comprises dsp chip, logic controller; Wherein dsp chip is connected with external device management control system, audio coding and decoder module respectively, and logic controller is connected with relay switching switch circuit, four road cable voice port circuit respectively.
4. telephone user interface module according to claim 1 is characterized in that: said each road cable voice port circuit is made up of power supply interface, 2/4 line conversion module and ringing-current trigger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120531437XU CN202309838U (en) | 2011-12-19 | 2011-12-19 | Telephone user interface module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120531437XU CN202309838U (en) | 2011-12-19 | 2011-12-19 | Telephone user interface module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202309838U true CN202309838U (en) | 2012-07-04 |
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ID=46378645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120531437XU Expired - Fee Related CN202309838U (en) | 2011-12-19 | 2011-12-19 | Telephone user interface module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202309838U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103780767A (en) * | 2014-01-15 | 2014-05-07 | 烽火通信科技股份有限公司 | Multifunctional port traversal test board for voice terminal device |
| CN112637427A (en) * | 2020-12-25 | 2021-04-09 | 迈普通信技术股份有限公司 | Rack type multi-port voice equipment testing tool and testing method |
-
2011
- 2011-12-19 CN CN201120531437XU patent/CN202309838U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103780767A (en) * | 2014-01-15 | 2014-05-07 | 烽火通信科技股份有限公司 | Multifunctional port traversal test board for voice terminal device |
| CN103780767B (en) * | 2014-01-15 | 2016-02-10 | 烽火通信科技股份有限公司 | The multi-functional port traversal test board of voice terminal device |
| CN112637427A (en) * | 2020-12-25 | 2021-04-09 | 迈普通信技术股份有限公司 | Rack type multi-port voice equipment testing tool and testing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 210042, Nanjing District, Jiangsu province Qixia Xuanwu Avenue 699-8 R & D zone, 8 buildings, 2 floor Patentee after: Nanjing Fengtai Communication Technology Co., Ltd. Address before: 210042, Nanjing District, Jiangsu province Qixia Xuanwu Avenue 699-8 R & D zone, 8 buildings, 2 floor Patentee before: Nanjing Fengtai Communication Technology Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20171219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |