Repeater in Computer Network: Understanding Its Significance
In the world of computer networks, repeaters play a vital role. It is a device that helps to amplify or regenerate digital signals received over a network cable. A repeater is used when network signals start to weaken due to the distance between the sender and the receiver or due to the attenuation that occurs as the signal travels through a cable. In this article, we will discuss in detail how repeaters work in computer networks and their significance.
How does a repeater work?
In simple terms, a repeater is a device that receives and regenerates a digital signal. When the signal is transmitted between devices, if its power level decreases, the repeater amplifies, reshapes, and regenerates the signal before sending it to the destination device.
The repeater is a hardware device that is placed out in the field. It is a device that receives signals in the network and re-transmits them without any modification to their content. It regenerates the received signal by cleaning the noise and distortion that might have been created by the distance or network interfacing issues.
A repeater can be used for extending the range of a network. For instance, if the signal from the router is too weak to cover a location, adding a repeater can increase the range of the network. In such a case, the repeater is placed at a point where the signal from the router is still strong, and it regenerates the signal towards the weak spot.
Significance of a repeater
A repeater plays an essential role in transmitting data over longer distances, without losing the quality of the data. Here are some of the significance of a repeater in computer networks:
1. Increase the range of network coverage:
A repeater can be used to increase the coverage of a network. It can forward all data packets received and process them like it is received from the original source.
2. Help to avoid congestion:
In a network, every device is sharing the same bandwidth. If traffic is high, the network can become congested. A repeater can help to alleviate the stress by breaking down large networks into smaller pieces that can be processed separately.
3. Avoid signal loss and distortion:
Over long distances of cable, signal loss and distortion can occur. By placing a repeater, network signals can be effectively regenerated, without losing quality.
4. Cost-effective solution for long-distance networking:
Using a repeater at a strategic point can eliminate the need for more cable and equipment to achieve a long-range network connection. It is a cost-effective solution for longer distances.
Conclusion
In conclusion, a repeater is a useful device that plays an important role in data communication over networks. It helps to amplify or regenerate digital signals received over a network cable and extends the range of a network coverage. A repeater is a cost-effective solution for longer distance networking, helps to avoid congestion, and avoids signal loss and distortion. Overall, a repeater is an essential tool in overcoming network limitations and assuring a reliable and quality network connection.
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