18-01-2012, 03:21 PM
BHARAT SANCHAR NIGAM LIMITED (BSNL)
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An Introduction:-
Today, BSNL is the No. 1 telecommunication company and the largest public sector undertaking of India and its responsibilities includes improvement of the already impeccable quality of telecom services, expansion of telecom services in all villages and instilling confidence among its customers.
BSNL Services:-
When it comes connecting the four corners of the country , and much beyond , one solitary name lies embedded at the pinnacle- BSNL. A company that has gone past the number games and the quest to attain the position of the leader. It is working round the clock to take India in to the future by providing excellent telecom services for people of India.
ABOUT THE EXCHANGE
All telephone subscribers are served by automatic exchanges, which perform the functions the human operator. The number being dialed is stored and then passed to the exchange’s central computer, which in turns operates the switching to complete the call or routes it a higher level switch for further processing. Today’s automatic exchanges uses a pair of computers, one running the program that provides services and the second monitoring the operation of the first, ready to take over in a few seconds in the event of equipment failure.
POWERPLANT
As we know that, the power is the main source or any organization. It is the case of E-10B exchange. That is the first requirement of any organization is the input.
The main source of this exchange is AC supply. However, as soon as the power supply is gone off, then what is source? No one think on this that the telephone is always plays its role in the human life. Even if the power supply gone off. Thus there must be adjustment source of power.
