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Tuesday 19 January, 2021 | RSS Feed

Fiber MUX and DEMUX - Fiber Multiplexer Introduction

by www.fiber-mart.com

Fiber MUX and DEMUX - Fiber Multiplexer Introduction

 

With fast development of optical networks, fiber MUX and Fiber DEMUX, fiber multiplexers arouse many people’s interest in the telecommunication field. This article will focus on the three questions. What are they? How do they work? How to choose for them?

 

What Are Fiber MUX and DEMUX - Fiber Multiplexer?

Fiber Mux, Fiber Demux, Fiber Multiplexer

A multiplexer (or mux) is a device that selects one of several analogs or digital input signals. And then it forwards the selected input into a single line. Conversely, the data distributor is demultiplexer. demux for short. It is the exact opposite of the multiplexer. Fiber Multiplexer, Fiber MUX is a device taking a single input signal and selecting one of many data-output-lines, which is connected to the single input.

 

How Do Fiber Mux and Demux Work?

As you know, a multiplexer is often used with a complementary demultiplexer on the receiving end.

 

Fiber Mux and Demux, Fiber Mux, Fiber Demux

 

The picture shows that the circuit consists of a multiplexer (MUX) at the transmitting side and a demultiplexer (DEMUX) at the receiving side. A multiplexer is a switch that routes the input to one of its many outputs. the outputs are chosen depending on the binary number at its ‘select’ lines. The DEMUX works in a reverse manner to the Fiber MUX.

 

Fiber Mux

A multiplexer, also called data selector, is a combinational logic circuit. It selects one of the 2n inputs on the end route to the output. A multiplexer of 2n inputs has n select lines. They are used to select which input line to send to the output. Multiplexers are mainly used to increase the amount of data over the network within a certain amount of time and bandwidth. The following picture shows how does a MUX work.

 

Fiber Mux, Fiber Demux, Fiber Multiplexer

 

Fiber DEMUX

The demultiplexer is a combinational logic circuit. It performs the reverse operation of the multiplexer. Fiber DEMUX has only one input, n selectors and 2n outputs. Depending on the combination of the select lines, one of the outputs will be selected to take the state of the input. The demultiplexer converts serial data signals at the input to a parallel data at its output line. The process is shown in the picture.

 

Fiber Demux, Fiber Multiplexer, Fiber Mux

 

How to Choose Fiber Mux and Demux, fiber multiplexer?

 

According to the working principles, MUX and DEMUX can be used in several situations. For example, communication system, computer memory, the telephone network, etc. MUX and DEMUX play a vital role in CWDM and DWDM system. In the WDM system, Fiber MUX combines multiple signals onto one single line. While demultiplexer separates the single data stream out to original signals. MUX and DEMUX fiber multiplexer in WDM are cost-saving. They are used by connecting a multiplexer and a demultiplexer together over a single Fiber channel.

 

To Sum Up

After reading this, you may have got the basic knowledge of fiber MUX and DEMUX. Fibermart, a leading WDM modules suppliers, offers a series of WDM modules. Such as 40 channel DWDM Mux, 4 channel mux-demux, CWDM 8 channel Mux Demux, 8 channel fiber Mux DWDM, CWDM passive Demux, and other network switches. You can know more details of our excellent WDM MUX/DEMUX at www.fiber-mart.com

 

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