EPABX is an abbreviation that stands for Electronic Private Automatic Branch Exchange. It comes under the category of business phone systems which serve a . circuit of Electronic Private Automatic Telephone Exchange (EPABX) on To study Theory of EPBX Systems. 3. To study Block diagram and Working principle. VoIP PBX is the IP branch exchange suitable for systems with 60– subscribers and for Block diagram of interconnection of the exchange with environment.

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Block diagram of EPABX

Too much for this forum. An EPABX has three main components 1 the analog system and analog to digital converter which is basically the various line cards and 2 the cross connection matrix which connects one call to another and 3 the control of the whole EPABX. We discuss below each of these Computer operations 1. A computer as shown in Fig. The matrix checks for which port the no. What is the use of epabx?

Therefore the data is first stored in the storage unit for faster access and processing. This is the process of entering data and programs in to the computer system. It also acts as a switch board operator when several users access the computer simultaneously. The call is established and held as long as you diagramm the receiver off hook. The process of saving data and instructions permanently is known as storage.


Please see the related link below for an image of the block diagram of the DX2. A telephone exchange serving a single organization, having a switchboard and associated equipment, usually located on the customer’s premises; provides for switching calls bet … ween any two extensions served by the exchange or between any extension and epagx national telephone system via a trunk to a central office.

They are essentially crosspoint switches with touch-tone decoders.

The major operations performed by the ALU are addition, subtraction, multiplication, division, logic and comparison. The computer system is divided into three separate units for its operation.

Controlling of all operations like input, processing and output are performed by control unit. They are 1 arithmetic logical unit 2 control unit. The third part maintains the normal functioning of the EPABX including power supply, configuration, troubleshooting and generation of various reports.

This storage unit or the primary storage of the computer system is designed to do the above functionality. Choose a video to embed. It converts the signalling as well the voice into digital and handovers to the matrix. It is just like brain that takes all major decisions, makes all sorts of calculations and directs different parts of the computer functions by activating and controlling the operations. EPABX is used for the internally incoming and outgoing of telephonic calls.

Thereby it coordinates the activities of computer’s peripheral equipment as they perform the input and output. Data is transferred to ALU from storage unit when required. It takes care of step by step processing of all operations inside the computer. Control Unit CU The bloock component of computer is the Control Unit, which acts like the supervisor seeing that things are done in proper fashion.


Hope you got some idea.

Data has to be fed into the system before the actual processing starts. The general term “Extension” is used to refer to any end point on the branch. Block diagram of electronic communication? These are 1 it accepts data or instructions by way of input, 2 it stores data, 3 it can process data as required by the user, 4 it gives results in the form of output, and 5 it controls all operations inside a computer.

PBX ( Network Diagram)

Therefore, the input unit takes data from us to the computer in an organized manner for processing. Block diagram of microprocessor? For the source and more detailed information concerning your request, click on the related links section Answers. Things like processing sjstem programs stored in the main memory, interpretation of the instructions and issuing of signals for other units of the computer to execute them. The manner how instructions are executed and the above operations are performed.

AM transmitter block dystem

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