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 concept of concurrent and parallel execution, The Concept of Co...

The Concept of Concurrent and Parallel Execution Real world systems are concurrent in nature and computer science is about modeling the real world. Illustrations of real world

Illustrate the following list of consideration of Laptop, Illustrate the fo...

Illustrate the following list of consideration of laptop computers The following is a list for consideration: -  The processor must consume as little power as possible thus

Define coupling, Define Coupling? Coupling means the measure of interco...

Define Coupling? Coupling means the measure of interconnection between modules in a program structure. It depends on the interface problem between modules.

Memory that can be used in a 16-bit computer, What is the maximum size of t...

What is the maximum size of the memory that can be used in a 16-bit computer and 32 bit computer? The maximum size of the memory that can be used in a 16-bit computer is 2 memo

Constants - first-order logic, Constants - first-order logic: Constant...

Constants - first-order logic: Constants are things that is cannot be changed, like as england, black and barbara. So then they stand for one thing only, so that can be confu

Unification algorithm, Unification Algorithm: Here if notice for insta...

Unification Algorithm: Here if notice for instance that to unify two sentences as we must find a substitution that makes the two sentences the same. Furthermore remember there

Harvard mark-I and the bug, The next important effort in the direction of d...

The next important effort in the direction of devising an electromechanical computer was made at Harvard University mutually sponsored by IBM and Department of UN Navy, Howard Aike

Define atomic directive in fortan, Q. Define Atomic Directive in FORTAN? ...

Q. Define Atomic Directive in FORTAN? Atomic directive guarantees a specific storage location is updated atomically rather than exposing it to odds of multiple simultaneous wri

Failures, FAILURES Since reliability engineering is focused on the surv...

FAILURES Since reliability engineering is focused on the survivability or absence of failures, it is more concerned about failures,  understanding  their causes and defining re

How does bus arbitration typically work, How does bus arbitration typically...

How does bus arbitration typically work? i.  A bus master waiting to use the bus asserts by  the bus request. ii.  A bus master cannot be the bus until it's request is grant

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