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 the for loop, Explain The for loop The for loop is frequently ...

Explain The for loop The for loop is frequently used, usually where the loop will be traversed a fixed number of times. It is very flexible, and novice programmers should take

What are the advantages of a smart card, What are the advantages of a Smart...

What are the advantages of a Smart Card? Advantages of Smart Card as given below: a. This provides convenience and assists for multiple currencies over borders. b. Us

What is pure semiconductors, Q. What is Pure semiconductors? Pure semic...

Q. What is Pure semiconductors? Pure semiconductors, known as intrinsic semiconductors, have very few charge carriers and may hence be classified as almost insulators or very p

Illustrate header section of a device driver, Q. Illustrate Header section ...

Q. Illustrate Header section of a device driver? Header comprises information which allows DOS to identify the driver. It also comprises pointers which allow it to chain to ot

What a header script can specify in cgi, A header in CGI script can specify...

A header in CGI script can specify? A header into CGI script can give format of document and New location of perticular the document.

Dialog-task updates, Dialog-task updates are Synchronous updates.

Dialog-task updates are Synchronous updates.

Explian two limitations of dead-box analysis, (a) Explian two limitations o...

(a) Explian two limitations of dead-box analysis. (b) Describe why memory analysis is difficult. (c) With reference to the "Shadow Walker" rootkit, explain what is meant by

The extra key inserted at the end of the array, The extra key inserted at t...

The extra key inserted at the end of the array is called a Sentinel is the extra key inserted at the end of the array

Ai6301 - building blocks and techniques used in ai, The princess (or princ...

The princess (or prince if you're female) has been captured by the Evil Dragon and held prisoner in a tower. The tower is also surrounded by a maze to keep out the riff-raff. You

C programming, A palindrome is a string that reads the same from both the e...

A palindrome is a string that reads the same from both the ends. Given a string S convert it to a palindrome by doing character replacement. Your task is to convert S to palindrome

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