...When high-powered equipment such as an air conditioner is powered off, the excess voltage is dissipated though the power line causing a surge. • The Effect — Surges stress delicate electronic components causing them to wear out before their time....

...files, particularly over long distances. A common application for fibre optic cable is as a network backbone, where huge amounts of data are transmitted. To help you decide if fibre is right for your new network or if you want to migrate to fibr...

...the Carrier Sense Multiple Access with Collision Detection (CSMA/CD) function. In half-duplex mode, all Ethernet speeds use the CSMA/CD access method to resolve contention for shared media. For Gigabit Ethernet, CSMA/CD has been enhanced to mainta...

...electronics and AV peripherals. Because FireWire is a peer-to-peer interface, it makes it possible to dub from one device (a digital video camera, for instance) to another without a computer. It also enables multiple computers to share a given per...

...to the price of a switch, this lock-out scheme raises hardware costs and limits transceiver choices. • Many vendors don’t advertise that SFP slots on their devices don’t accept standard SFPs from other vendors. This can lead to unpleasant surp...

...data communication equipment by technical surveillance or eavesdropping. • Unprotected equipment emit a signal into the air • What puts your data communication equipment at risk? Many things. But first and foremost, its microchip. Any device with ...

...to determine what equipment you need to house. This list can include CPUs, monitors, keyboards, modems, servers, switches, hubs, routers, and UPSs. Consider the depth of your equipment —servers require extra depth and may require a cabinet that’s...