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 salient points about indirect addressing, Q. Explain salient points...

Q. Explain salient points about indirect addressing? A number of salient points about this scheme are:  In this addressing scheme effective address EA and contents of th

Describe distributed object model, Question 1 Give a brief explanation on m...

Question 1 Give a brief explanation on message oriented middleware Question 2 Describe Distributed object model Question 3 Explain File systems in a distributed computing Env

Posix, POSIX is the IEEE's Portable Operating System Interface for Computer...

POSIX is the IEEE's Portable Operating System Interface for Computer Environments. The standard provides compliances criteria for operating system services and is designed to allow

Explain about the passive graphics device, Explain about the passive graphi...

Explain about the passive graphics device A passive graphics device simply draws pictures under computer control; i.e. it allows the computer to communicate graphically with th

Serial port communication, The 68HC11F1 has two types of serial ports namel...

The 68HC11F1 has two types of serial ports namely asynchronous (SCI) and synchronous (SPI). The most common form of communication device used in control is the SCI as this provides

Recursion, Ask qurecurrion for short noteestion

Ask qurecurrion for short noteestion

Instruction of a micro-program, Q. Instruction of a micro-program? A mi...

Q. Instruction of a micro-program? A micro-instruction is an instruction of a micro-program. It specifies one or more than one micro-operations that can be executed concurrentl

Adding xml files to your page, Step 1: Choose File -> Import XML into Templ...

Step 1: Choose File -> Import XML into Template Step 2: Select the XML file & click Open When an XML file is imported, Dreamweaver merges XML content in Template, which is be

Operating characteristics for master-slave s-r flip-flop, Define the Operat...

Define the Operating Characteristics for master-slave S-R flip-flop? 1. Propagation Delay Time - is the interval of time required subsequent to an input signal has been applied

Real-time systems and control, A group report with no more than three stude...

A group report with no more than three students per group is to be handed in to explain your design procedures and simulation results. Representative graphical system outputs (clea

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