...automated information systems and for the protection of classified or sensitive U.S. Government information. • Type 2: • This rating is for unclassified cryptographic equipment used by U.S. Government agencies, state and local governments, and spo...

...Token Ring network to control transmission around the loop. • Redundancy • FDDI’s dual-ring scheme creates a redundant, fault-tolerant network that recovers data if the primary ring fails. In case the primary ring does fail, the second ring, a mir...

...cinema electronics and systems. It greatly simplifies the installation of home entertainment systems by eliminating the tangle of cables running behind the system. It's also very cost effective because only one cable is needed. • Learn more: • Disp...

...unit to remotely control and reboot power. • Cable management. • Next you need to select the appropriate accessories. The first, and most important, is cable management. Many racks have built-in cable management troughs and cable rings for ro...

...different wiring systems without adding to your overall network repeater count. • Convert to fibre and run cables across an extra-long distance-up to 50 kilometres or more! • Have an Ethernet switch with RJ-45 ports? No problem! Use a convert...

Fibre Optic Connectors. • Fibre Optic Connectors • The ST® connector • , which uses a bayonet locking system, is the most common connector. • The SC connector • features a moulded body and a push- pull locking system. • The FDDI connector • co...

...4 switching • The Open Systems Interconnection (OSI) Reference Model provides a layered network design framework that establishes a standard so that devices from different vendors work together. • Layer 2 (The Data-Link Layer) • Layer 2 switches op...

...operating systems, UARTs interfaced directly between the CPU bus and external RS-232 I/O devices. Early UARTs didn’t contain any type of buffer because PCs only performed one task at a time and both PCs and peripherals were slow. • Wit...

...CATV, and telephony systems. • APC Connector • The latest technology is the Angled Physical Contact (APC) connector. The end faces are still curved, but they’re angled at an industry-standard eight degrees. This maintains a tight connection, and...