What are concentrators, Computer Engineering

Assignment Help:

What are concentrators? Explain how it helps in connecting number of subscribers.

In rural areas, subscribers are usually dispersed. This is both unessential and expensive to give a dedicated pair for each subscriber. Three techniques are utilized to gain on the number pairs are as following:

1. Parity lines

2. Concentrators

3. Carrier Systems.

In second technique, a concentrator expander (CE) is utilized near the cluster of users and other one at the exchange end as demonstrated in figure.

2370_Concentrator-expander connection for dispersed subscribers.png

FIG - Concentrator-expander connection for dispersed subscribers.


Related Discussions:- What are concentrators

Explain about hybrid model, Q. Explain about Hybrid model? Hybrid model...

Q. Explain about Hybrid model? Hybrid models are normally tailor-made models suiting to particular applications. In fact these fall in category of mixed models. These type of a

What information is stored in a typical TLB table entry, In a simple paging...

In a simple paging system, what information is stored in a typical Look-aside Buffers  TLB table entry? A classical TLB table entry contains page# and frame#, while a logical

Computer, How does computer started?

How does computer started?

What is assembler, What is Assembler An assembler is a program which ta...

What is Assembler An assembler is a program which takes as input a symbolic language program and produces output as its binary machine language equivalent. The input is known a

How can you have an accession number, Accession number (bioinformatics), a ...

Accession number (bioinformatics), a unique identifier given to a biological polymer sequence (DNA, protein) when it is given to a sequence database.

What is ''preemption'' program, Program 'preemption' is? Ans. Forced de...

Program 'preemption' is? Ans. Forced de allocation of the CPU from a program that is executing on the CPU is called preemption program.

Difference between absolute and relative path, What is the difference betwe...

What is the difference between absolute and relative path name of a file? Absolute path name: This is listing of the directories and files from the root directory to the i

Copy machine problem, We are trying to figure out how many copy machines we...

We are trying to figure out how many copy machines we should install in the basement of Stranahan Hall.  Copy machines should be available 24/7.  Students may walk up at any time o

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd