CN211321451U

CN211321451U - Digital-analog integrated program-controlled subscriber exchanger

Info

Publication number: CN211321451U
Application number: CN201922259509.9U
Authority: CN
Inventors: 蔡永闯; 林伟聪; 黄煜华; 黄鉴明
Original assignee: Foshan Binghe Electronic Technology Co ltd
Current assignee: Foshan Binghe Electronic Technology Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-08-21
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses an integrative programme-controlled private branch exchange of digital simulation, by a host computer, a plurality of from the machine constitution, the host computer includes central control unit, computer interface unit, from the machine include extension the control unit, the host computer and from the machine all contained power supply unit, integrated circuit board parallel connection unit, audio signal output unit, FSK DTMF signal processing unit, subscriber unit, external line unit, audio signal AD converting unit and network interface unit. The utility model provides a digit program controlled private branch exchange manufacturing cost is high on the market, and simulation program controlled private branch exchange can't have carried out the creative integration with simulation switch technique, digital switch technique, network data transmission technique, digital analog conversion technique because the restriction of technical layer number to the problem of the progression extension of gate count, can effectual reduce cost, carries out the equipment dilatation through stabilizing digital signal, utilizes current high-speed network to carry out remote network deployment, satisfies different places, user's needs.

Description

Digital-analog integrated program-controlled subscriber exchanger

Technical Field

The utility model relates to a switch technical field specifically is integrative program controlled subscriber's switch of digital simulation.

Background

The existing analog SPC exchange can not be expanded to a super-large user level due to technical problems; the program controlled user exchanger of super large user grade can only adopt digital program controlled user exchanger in market at present, and the digital program controlled exchanger has the defects of high cost and single function. To this end, we propose a digital-analog integrated SPC subscriber exchange.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an integrative programme-controlled private branch exchange of digital simulation makes its price cost advantage of existing analog machine, again can simple effectual expansion to the big door number of user programme-controlled private branch exchange more than 512 doors.

The utility model discloses what the unit mainly adopted is the analog switching technique, and the conversation signal between the multimachine adopts the digital machine mode, and these digital signals utilize current network to carry out high-speed, remote transmission moreover.

In order to achieve the above object, the utility model provides a following technical scheme: the host and the slave are in a cooperative working mode, the host and the slave are provided with independent chassis, power modules, control panels, signal panels, user boards, external line boards and connecting plates, the host and the slave are independent individuals and can be connected with each other for expansion, the host and the slave are connected and exchanged through network interfaces, the host and the slave can be directly connected or connected through a network switch according to a TCP/IP protocol, and the problems of speed and distance of data transmission are effectively solved.

As shown in fig. 1, the digital-analog combined private branch exchange consists of a master and a slave.

Preferably, the host computer system is composed of a central control unit, a computer interface unit, a power supply unit, a board card parallel connection unit, an audio signal output unit, an FSK/DTMF signal processing unit, a user unit, an external line unit, an audio signal A/D conversion unit and a network interface unit.

Preferably, the slave computer system is composed of an expansion control unit, a power supply unit, a board card parallel connection unit, an audio signal output unit, an FSK/DTMF signal processing unit, a user unit, an external line unit, an audio signal A/D conversion unit and a network interface unit.

Preferably, the master can be used as a program-controlled subscriber exchange to independently form an exchange system, the maximum number of 256 users can be increased, and the number of 256 extended users can be increased when each slave is added, so that the program-controlled subscriber exchange can be extended to 1024 users at the maximum.

Preferably, the audio signal a \ D conversion unit between the master and the slave converts the analog audio signal to be sent to another single machine into a digital signal, or converts the digital signal received from another single machine into an analog signal to be sent to the corresponding call channel.

Preferably, the master and slave machines are connected through a network interface unit, the master and slave machines are all allocated with IP addresses of the same IP field, and data is transmitted according to a network TCP/IP protocol.

Preferably, the host allocates all external lines, user port addresses and extension numbers according to the setting of the user.

Preferably, the host is responsible for connecting with the computer through the computer unit, the computer end installs the management charging software of the program controlled private branch exchange, and the user directly monitors, sets parameters modification, charges management and other operations on the whole program controlled private branch exchange system at the computer end.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a digit program controlled subscriber's switch high in production cost on to the current market, simulation program controlled subscriber's switch is because the restriction of technical layer, can't be to the shortcoming of the progression extension of gate number, and the digital simulation that develops combines program controlled subscriber's switch equipment, with the simulation switch technique, the digital switch technique, network data transmission technique, digital analog conversion technique has carried out the creative integration, can effectual reduction in production cost, carry out the equipment dilatation through stable digital signal, utilize current high-speed network to carry out remote network deployment, satisfy different places, user's needs.

Drawings

FIG. 1 is a block diagram of the control principle of the present invention;

fig. 2 is a schematic control principle diagram of embodiment 1 of the present invention.

In the figure: the system comprises a central control unit 1, a computer interface unit 2, an expansion control unit 3, a power supply unit 4, a board card parallel connection unit 5, an audio signal output unit 6, an FSK/DTMF signal processing unit 7, a subscriber unit 8, an external line unit 9, an audio signal A/D conversion unit 10 and a network interface unit 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In embodiment 1, referring to fig. 1-2, a host computer system is composed of a central control unit 1, a computer interface unit 2, a power supply unit 4, a board parallel connection unit 5, an audio signal output unit 6, an FSK/DTMF signal processing unit 7, a subscriber unit 8, an external line unit 9, an audio signal a/D conversion unit 10, and a network interface unit 11.

The slave machine respectively comprises an expansion control unit 3, a power supply unit 4, a board card parallel connection unit 5, an audio signal output unit 6, an FSK/DTMF signal processing unit 7, a user unit 8, an external line unit 9, an audio signal A/D conversion unit 10 and a network interface unit 11 to form a slave machine system.

As shown in figure 2, a main machine is installed in a machine room of the A building, a slave machine is installed in a machine room of the B building, and the main machine and the slave machine are communicated through a local area network in the company to form a program-controlled private branch exchange equipment system.

The host computer in the A-building is connected to the external telephone line of the telecom operator to provide the function of communicating with the outside for the A, B-building user telephone.

The host computer of building A is connected to computer, and can set various parameter functions of the equipment by matching with the charging management software of our company, and can monitor the real-time state of each user and each external line, incoming call and outgoing call inquiry, charging management and the like.

The equipment provides conversation service for each department office in the group, every seat in A building and B building can all distribute the telephone of a company's internal conversation network to distribute corresponding inside extension number, in A, B building, all telephones between A, B building can all pass through each other at any time, even many people carry out teleconference, can make a call with the outside through the outside line that A host computer inserts, call in, the office equipment in the company is like: facsimile machines, POS machines, etc. may also access external telephone networks for operation through a programmable private branch exchange.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Digital-analog integrated program controlled user exchanger, its characteristic is: the system comprises a central control unit (1), a computer interface unit (2), an expansion control unit (3), a power supply unit (4), a board card parallel connection unit (5), an audio signal output unit (6), an FSK/DTMF signal processing unit (7), a user unit (8), an external line unit (9), an audio signal A/D conversion unit (10) and a network interface unit (11), wherein the central control unit (1) controls the computer interface unit (2), the audio signal output unit (6), the FSK/DTMF signal processing unit (7), the user unit (8), the external line unit (9), the audio signal A/D conversion unit (10) and the network interface unit (11) respectively in an electric signal mode, and the computer interface unit (2) is connected with program-controlled subscriber switchboard management charging software on a computer by using own communication protocol through a 485 interface under the control of the central control unit (1) The system comprises an extension control unit (3), an audio signal output unit (6), an FSK/DTMF signal processing unit (7), a user unit (8), an external line unit (9), an audio signal A/D conversion unit (10) and a network interface unit (11), wherein the extension control unit (3) respectively controls the audio signal output unit (6), the FSK/DTMF signal processing unit (7), the user unit (8), the external line unit (9), the audio signal A/D conversion unit (10) and the network interface unit (11) in an electric signal mode, a power supply unit (4) is used for supplying power to other units of equipment and respectively outputting four voltages of +5VDC, -5VDC, 48VDC and 75VAC, a board card parallel connection unit (5) is arranged in a base of a case and provides a board card interface and serves as intersection communication of analog signals, control signals and power supply, and a central control unit (1), the outside line units (9) are connected to form a single machine system, the FSK/DTMF signal processing unit (7) receives a DTMF dialing signal of the decoding user unit (8) and an FSK or DTMF caller ID signal of the outside line unit (9), and sends the DTMF signal to the user unit (8) and the outside line unit (9) under the control of the control unit.

2. The digital-analog integrated SPC subscriber exchange of claim 1, wherein: the subscriber unit (8) provides 16 subscriber telephone interfaces, and the control unit controls the detection of off-hook signals of ordinary telephones, ringing and sending of signals, and the processing of internal call functions.

3. The digital-analog integrated SPC subscriber exchange of claim 1, wherein: the external line unit (9) provides 8 telecommunication external line interfaces, and the control unit controls the processing of ringing signals, incoming signals and off-hook conversation functions of external PSTN lines.

4. The digital-analog integrated SPC subscriber exchange of claim 1, wherein: the audio signal A/D conversion unit (10) converts the analog audio signal of a single machine into a digital signal by the control unit and transmits the digital signal to another single machine as required, or converts the digital signal transmitted by the single machine into an analog audio signal.

5. The digital-analog integrated SPC subscriber exchange of claim 1, wherein: the network interface unit (11) controls the network chip by the control unit, and realizes data communication exchange among the multiple computers through the network according to the TCP/IP protocol.