Choosing An Ethernet Network Hub

Ethernet network hubs can also be referred to as concentrators

, as they are the ones responsible for connecting multiple computer units to be parts of an Ethernet network by using RJ-45 cables. An Ethernet network hub enables all the computers in the network to exchange and share data, aside from using the same Ethernet connections. The basic setup consists of, a central network host computer from which other computing devices communicate with, and a hub from which all data is transferred through. There will be lights that indicate the status of the connections for the ports.

Though network hubs are quite common in use they are not without their possible problems such as data transfer conflicts. Fortunately, Ethernet network hubs can recover from possible data transfer collisions in most cases. On experiencing a data collision a hub will source the offending port and stop data transfer. This kind of network connection is much more stable unlike a coaxial Ethernet type that can become unstable and cause a major network problem.

To complicate things, there are actually more than one kind of Ethernet network hub. A passive hub, for instance is built to transfer data to other ports from one port. Typically you will find this connection in homes and also some small offices. The reason for this is that a passive hub tends to jam data, which then leads to collisions and slower connections.

Active hubs handle data more efficiently by redirecting packets of data to specific destination ports. Because data is not transferred through a single connection, the chances of data collision is reduced. Most active hubs feature a cache buffer which is able to recover data in the event that an error occurs. Far larger and busier networks it's better to choose an active Ethernet hub.

It's important to find a suitable Ethernet network hub which can handle all the computing devices that you want to connect to the central network source. It's a worthwhile picking a hub which has more ports than you initially need, in case you expand your network. Furthermore, a hub that features a firewall can help to stop malicious data from passing through and protect data.

by: Nathan Tyler

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