Basic Telecommunications

The definition of telecommunications is to exchange information on long-distance relationship, where the exchange of information (where there is a change "format information") On long-distance communication links that occur in electrical / electronic where there are several examples of the types of information are:
Sound = Telephony, voice and image = vidiophone, writing in print = Telegraphy / Telex, Document = Telefex, Pictures Television, Writing and sounds = Multimedia.

Telecommunications System (SISTEL) is a unity consisting of parts called subsystems which interact to achieve specific goals.

SISTEL consists of:
1. Sender, transmitter, source info
2. Receiving, goals
3. Media transmission

SISTEL components consist of:
1.Terminal Equipment (TE)
2. Switching Equipment (Central)
3. Transmission Line (Cable, Radio and Satellite)

Terminal Equipment (TE) as a device ynag is a source of information which you want to convey to a specific destination and also can be a telephone, computer, etc., act as a sender and receiver.

Switching Equipment (Central) As a means of connecting between a single channel with a single channel so that the channel is carried by the channel to the destination.

Terminal device, the device at the customer's content (CPE) functions to:
1. Calling and receiving alternately
2. Calling it
3. Receive only