Which of the following is a major component of the telephone system?
Which of the following is a major component of the telephone system?
The correct option is D All of these
Which of the following is a major
component of the telephone system:-
Local loop:- local loop,
a twisted-pair cable that connects the subscriber telephone to the nearest
end office or local central office. The local loop, when used for voice, has a
bandwidth of 4000 Hz (4 kHz).
Trunks:- Trunks are
transmission media that handle the
communication between offices. A trunk normally handles hundreds or
thousands of connections through multiplexing.
A connection to toll office is called toll connecting trunk.
Transmission is usually through optical
fibers or satellite links.
Switching office:- To avoid having a permanent physical link between any two subscribers, the telephone company has
switches located in a switching office. A
switch connects several local loops or trunks and allows a connection
between different subscribers.
Which of the following is a major component of the telephone system:-
Local loop:- local loop, a twisted-pair cable that connects the subscriber telephone to the nearest end office or local central office. The local loop, when used for voice, has a bandwidth of 4000 Hz (4 kHz).
Trunks:- Trunks are
transmission media that handle the
communication between offices. A trunk normally handles hundreds or
thousands of connections through multiplexing.
A connection to toll office is called toll connecting trunk.
Transmission is usually through optical
fibers or satellite links.
Switching office:- To avoid having a permanent physical link between any two subscribers, the telephone company has switches located in a switching office. A switch connects several local loops or trunks and allows a connection between different subscribers.
