Network hub

Types of network hubs

The network hub is a network device that connects Ethernet cables. It is an early type of networking device. The purpose of a hub is to connect multiple computers and make a single local area network (LAN). When one computer sends data, the hub sends it to all the connected computers. A few common types of network hubs include:

• Active hubs

  Active hubs act as a networked computer. Whenever they receive data, they amplify the signal before sending it out. The amplified signal can travel longer distances and connect to more computers. Before the advent of network switches, active hubs were widely used to connect dozens of computers into a single LAN.

• Passive hubs

  Passive hubs do not have any signal processing capabilities. Their only function is to centralize network cable connections. They simply forward any data that comes through them without altering it in any way. However, because they cannot boost signals, the data can only travel a limited distance.

• Intelligent hubs

  Intelligent hubs have more functionality than the two types mentioned above. They can monitor and manage network traffic. For example, they can troubleshoot network problems and track data traffic. Intelligent hubs laid the foundation for modern network switches.

Functions and Features

A network hub offers several important functions and features that allow it to connect multiple devices to a centralized point. Below are some of the key functions and corresponding features:

• Connecting Multiple Devices

  A network hub has multiple Ethernet ports (usually ranging from 4 to 48 or more) that allow many devices to connect directly to it, thus serving as a central connection point in a local area network (LAN).

• Data Packet Transmission

  A network hub receives incoming data packets on one port and broadcasts or retransmits them to all other ports. This enables communication between connected devices.

• Broadcasting Data

  Since a hub operates at the physical layer (Layer 1) of the OSI model, it simply repeats the electrical signal it receives without analyzing the data. This allows it to broadcast data to all connected devices.

• Types of Hubs

  Hubs come in different types, such as USB hubs for expanding USB connections, Ethernet hubs (also known as LAN hubs) for connecting computers, and power distribution hubs for centralizing power outlets.

• Powered Devices (PoE) Capability

  Some advanced network hubs, especially those that support Ethernet connections, have a Power over Ethernet (PoE) feature that enables them to deliver power alongside data through Ethernet cables to connected devices like IP cameras and access points.

• Plug and Play Installation

  Hubs are usually designed for easy installation, typically supporting a plug-and-play functionality that allows users to connect devices without requiring complex configuration steps or technical knowledge.

Applications of a Network Hub

The various applications of a network hub are as follows.

• Small business networks: Network hubs are commonly used in small businesses where a few computers and devices need to be interconnected for sharing resources like internet access, printers, and files.
• Home networking: Network hubs may find applications in home networking environments, allowing multiple devices such as smart TVs, gaming consoles, computers, and streaming devices to connect to a single router for internet access and local network connectivity.
• Gaming centers: In gaming centers or cyber cafes, network hubs are used to connect several gaming consoles or computers together to provide multiplayer gaming and internet access.
• Educational institutions: Network hubs are often used in classrooms, libraries, and computer labs of educational institutions to connect student devices, provide internet access, and facilitate resource sharing.
• Office collaboration: In office environments, network hubs enable collaboration among employees by allowing them to share documents, access shared drives, and work together on projects in real time through interconnected devices.
• Event networking: Network hubs are used in events such as conferences, trade shows, and festivals to provide internet connectivity and networking opportunities for exhibitors, attendees, and participants.
• IoT networks: Hubs manage Internet of Things networks where numerous smart devices need to communicate with one another and share data.

How to choose a network hub

• Assess Leased Line Needs:

  A commendable start is understanding the internet connection needs. Is the goal to have an online presence with a simple website, or is a full-fledged e-commerce platform in the cards? Starting small can help test the waters without burning through cash. Once the website is up and running, keeping tabs on how much data is being used is next. This is done through a nifty thing called ""bandwidth monitoring."" It helps to know how much data is being transferred and who is using it the most. Higher-than-expected usage could mean it's time to bump up the plan again.

• Consider Network Size and Device Count:

  It is essential to consider how many devices will connect to the hub, like computers, printers, or even fancy webcams. Make sure to choose a hub that can handle all those devices without causing any problems. Hubs come in different sizes, and each supports a different number of devices. Some homes or offices have just a few things connected to the network. In those cases, a smaller network hub with four or five ports is perfect.

  Other places need a bigger hub so many devices can connect. The right selection would be a larger network hub with eight, sixteen, twenty-four, or even thirty-two ports. It allows more people and gadgets to use the same network. With one of those bigger hubs, multiple computers, printers, cameras, gaming consoles, streaming boxes, and smart home devices can link up. Everyone and everything can connect without cables getting tangled. This way, any computer or device can easily access shared files and the internet. Choosing a network hub with the right number of ports makes sure all devices play nicely together.

• Determine Connectivity Type:

  A wired network switch uses cables to connect computers and devices directly. Cables provide fast, reliable connections that don't drop out. This is great for places where devices will stay put, like linking computers in one room, but wires can get messy, and links are limited.

  A wireless Wi-Fi router is easy to set up. It lets laptops, phones, and tablets connect without cables. Signals from the router reach devices within range. Wireless connections are less reliable than wired. Devices can disconnect or run slow. Signals also don't extend far in large areas. A good option is a wireless access point. It boosts wireless signals around the building so more devices can connect. Access points are better than routers alone because they improve connections without wires. Users won't lose signals when moving through the building. Wireless devices link easily to access points.

Q & A

Q1. What is a network hub?

A1. A network hub is a centralized location where a network of electronic devices is connected. It can be in the form of a network, data, or storage hub. A network hub connects computers and allows them to communicate, while a data hub stores information from different sources in one place. A storage hub is used to store and back up data electronically.

Q2. What is the difference between a network hub and switch?

A2. A network hub and switch serve similar functions but operate differently. A hub broadcasts information to all devices connected to it, whether they need the data or not. The devices will then decide if the information sent is for them. In contrast, a network switch examines packets of data and sends the information only to the device that requested it.

Q3. What are the different types of network hubs?

A3. There are several types of network hubs, including coaxial cable, Ethernet, USB, and wireless hubs. Coaxial cable hubs are the older versions and connect computers in local area networks. They use 10Base2 and 10Base5 Ethernet versions. Each computer is connected through a coaxial cable. If one connection fails, it will be replaced by another, ensuring data can still move between computers.

An Ethernet network hub connects to computers using ethernet cables. Each port on the hub allows a connection between computers. A USB hub allows several devices to be connected to a single port using a USB cable. Wireless networks do not use cables but connect computers and devices wirelessly.

Q4. What is the purpose of a network hub?

A4. The main purpose of a network hub is to connect multiple computers so they can share information and resources. It serves as a centralized location that helps facilitate connections between different devices, including growing, improving, and expanding networks.

Q5. What is the benefit of a network hub?

A5. The benefits of a network hub include decreased network costs since fewer cables are required, simplified network administration, and faster network access, which improves performance and applications.