...to be expanded over a whole network. • Spanning Tree: (STP/802.1d) The switch can detect network loops and is able to break the loop by disabling one of the uplinks. This allows administrators to build up network rings to build up redundanc...

...much control you need over that network. • Unmanaged switches • are basic plug-and-play switches with no remote configuration, management, or monitoring options, although many can be locally monitored and configured via LED indicators and DIP swit...

...for Time Division Multiplexing and is based on the idea to subdivide time (e.g. one second) into many smaller units. • An information unit can now be transmitted separately in each of these units. The information units need not be in a logical seq...

PoE Power over Ethernet • What is PoE? • The seemingly universal network connection, twisted-pair Ethernet cable, has another role to play, providing electrical power to low-wattage electrical devices. Power over Ethernet (PoE) was ratified by...

...do not forget your VoIP phones. They need PoE Power. A lot of things to consider. • Fiber To The Desk • FTTO means that the Fiber is running to the office. Elsewhere you might see the term Fiber To The Desk which means quite the same. Here the fi...

...process of managing multiple KVM switches whether they be in a single location, or spread throughout the world. Allowing the server manager to set individual and group access rights, makes the whole issue of security vs access a simple task to manag...

...and other computer equipment without being at the equipment’s location. • For whom • Who needs remote power control? Everyone, especially any organization with a network that reaches remote sites. This can include branch offices, unmanned informat...

...addresses and ports in IP packets. This basic form of firewall protection is really no more than a simple sorting algorithm. Generally they enable you to have some control through the use of access lists. Packet filtering can also often be performe...

...Relay • Technology Overviews • Frame Relay • Today's LANs and computing equipment have the potential to run at much higher speeds and transfer very large quantities of data. With the complexity of today's networks, management can be difficult i...

Multicasting video over a LAN • Multicasting video over a LAN: Use the right switch.. • In KVM extension applications where you want to distribute HD video across a network, you need to understand how it works and what kind of networking equipm...