Thermocouple sensors • Thermocouple sensors • A temperature measuring device • A thermocouple is a temperature measuring device consisting of two conductors of dissimilar metals or alloys that are connected only at the ends. When the ends are ...

Network Access Control • Network Access Control (NAC) is a method of ensuring that only known devices are allowed to connect to your network and that they meet your network’s requirements before they are granted access. • This is NAC at its mo...

RS-232 - A group of specifications for interfaces • RS-232 - A group of specifications for interfaces • RS-232, also known as RS-232C and TIA/EIA-232-E, is a group of electrical, functional, and mechanical specifications for interfaces between...

Category 5 and 5e • Category 5 and 5e • Category 5 • Category 5 (CAT5) cabling is good, solid cable for 100-Mbps LANs. The Category 5 standard has been around since 1991, so it’s well established. You’ll find existing Category 5 installati...

Crosstalk • Crosstalk • Near-End Crosstalk (NEXT) • One of the most important cable measurements is Near-End Crosstalk (NEXT). It’s signal interference from one pair that adversely affects another pair on the same end. Crosstalk occurs between...

Fast and Giga Ethernet: 100 and 1000-Mbps • Fast and Giga Ethernet: 100 and 1000-Mbps • In computer networking, Fast Ethernet is a collective term for a number of Ethernet standards that carry traffic at the nominal rate of 100-Mbps, against t...

10 Gigabit Ethernet • 10-Gigabit Ethernet • From LAN to WAN to MAN • 10-Gigabit Ethernet (10-GBE), ratified in June 2002, is a logical extension of previous Ethernet versions. 10-GBE was designed to make the transition from LANs to Wide Area N...

Cable management • Cable management • Corporate networks are complex systems of PCs, servers, printers, and the devices that connect them. Getting everything to work in harmony requires bundles of cables, and managing all those cables from ins...