...found on most types of network equipment, including NICs, switches, routers, and media converters. Because these devices are totally backwards compatible with other Ethernet devices, all you need to do to reap energy savings is to swap out devices.

...media including Public Switched Telephone Network (PSTN), Integrated Services Digital Network (ISDN), wireless, and Digital Subscriber Line (DSL). • Remote access enables remote users to dial into your LAN over the phone by using either land lines ...

...a PoE-enabled network switch that’s designed to supply power directly to the cable from each port. The setup would look something like this: • End-span device → Ethernet with power • A • mid-span • device is inserted between a non-PoE device and t...

...as the CD drive, power switch and USB interface). Call centres, internet cafes and schools are examples of environments that may choose to locate some or all computers in a secure and environmentally controlled server rooms and give users access to...

...distances or through switching systems. In this case the corresponding video splitters, video extenders, and video switches all must support HDCP to take part of the key information exchange. Every active device in the transmission chain must par...

...input to the output. Switching to battery operation takes up to 10 milliseconds. They only protect from power failures. • Line Interactive — They protect not only from power failure, but also from underand over-voltage. They are ideal for small t...

...electrical power. • The Cause — Noise has many causes including nearby lightning, load switching, industrial equipment, and radio transmitters. It may be intermittent or chronic. • The Effect — Noise introduces errors into programs and data files.