...amplifiers and video switches are available for larger installations. Using these products it is possible build video networks with very large numbers of displays. • Popular applications: • Schools: • These products have many applications in scho...

50-µm fibre optic cable • Fibre optic cable. • The background • As today’s networks expand, the demand for more bandwidth and greater distances increases. Gigabit Ethernet and the emerging 10-Gigabit Ethernet are becoming the applications of c...

TEMPEST • TEMPEST (Telecommunications Electronics Material Protected from Emanating Spurious Transmissions) • Black Box Explains TEMPEST. • TEMPEST is an acronym for Telecommunications Electronics Material Protected from Emanating Spurious Tra...

...and it must be checked manually. • Another simple and inexpensive addition to a cabinet is a thermostat that automatically turns on a fan when the cabinet’s temperature exceeds a predetermined limit. • Many network devices come with SNMP or IP-addr...

...Workstations, fibre switches and servers, fibre modems, and similar hardware require duplex cable. Duplex is available in single- and multimode. • Simplex—Because simplex fibre optic cable consists of only one fibre link, you should use it for a...

Cabinet accessories • Cabinet accessories. • Once you’ve chosen your cabinet, whether it be a customized Elite or an energy-saving ClimateCab, it’s time to add accessories for even more function. • Cabinets have two sets of rails, front and ba...

Modem Standards • Technology Overviews • Modem Standards • Guidelines for communication. • ITU modem standards. • The International Telegraphic Union (ITU) is an international association that establishes worldwide communication standards. Its...

...access points to switches rather than hubs. A hub connected to an access point will broadcast all data it receives on that access point to all connected devices. However, a switch isolates each port onto its own LAN segment and will only broa...

...computing equipment, switches, etc.); however, all functions of an equipment room may be incorporated in a wiring closet. • What to know before you buy. • Conductors. • Copper cables have two types of conductors: solid or stranded. Solid-conducto...

...modems, servers, switches, hubs, routers, and UPSs. Consider the depth of your equipment —servers require extra depth and may require a cabinet that’s at least 42 inches deep. Lastly, remember to allow space for cabling and power provisions. ...