...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 ...

...patch panels, hubs, switches, or routers), you need to direct the bundles overhead, vertically, and horizontally. • Ladder Rack • A popular choice for overhead cable routing is a ladder rack. Ladder racks come in many varieties. They can run alo...

...a special port on a switch or other network device to convert the port to a copper or fiber interface. These compact transceivers replace the older, bulkier GBIC interface. Although these devices are available in copper, their most common use is...

...install a card, set DIP switches, and make IRQ settings. Now you can connect digital joysticks, scanners, speakers, cameras, or PC telephones in seconds. Instead of opening up your CPU to insert new boards, you make all the connections outside the c...

...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.