25-08-2017, 09:32 PM
4 WEEK SUMMER TRAINING
4 WEEK SUMMER.pptx (Size: 305.02 KB / Downloads: 8)
INTRODUCTION
An Autonomous Enterprises of Indian Government.
Largest telecommunication Company in India and Seventh Largest in world.
It provides a wide communication network which is reachable to all over country.
It is equipped with the Latest technology such as:-
CDMA, TDMA, GSM.
TELECOMMUNICATION
The telephone is a telecommunication device that is used to transmit and receive electronically or digitally encoded speech between two or more people conversing.
The telecommunication links and switching were mainly designed for voice communication.
Telecommunication is mainly concerned with the transmission of messages between two distant points.
MAIN DISTRIBUTION FRAME
A main distribution frame (MDF or main frame) is a signal distribution frame for connecting equipment (inside plant) to cables and subscriber carrier equipment (outside plant).
POWER PLANT
As the power is the main source or any organization.
The main source of this exchange is AC supply.
The main part of power room are:-1. Batteries2. UPS (Uninterrupted Power Supply) 3. Charging - Discharging Unit 4. Inverter and Converter Unit:
Switching system fundamentals
Telecommunications switching systems generally perform three basic functions:-
they transmit signals over the connection
they establish connections through a switching network for conversational use during the entire call
they process the signal information to control and supervise the establishment and disconnection of the switching network connection.
What is broadband?
An ‘always-on’ data connection that is able to support interactive services including Internet access and has the capability of the minimum download speed of 256 kbps to an individual subscriber from the Point Of Presence (POP) of the service provider.