...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...

...where they’re needed to control ventilation. • Without doors or sides, a cabinet starts to look a lot like a four-post rack. The difference is that you could add doors or sides to the cabinet should they become needed, but you cannot add them to a r...

Fibre Optic Mode-Conditioning Cable • Fibre Optic Mode-Conditioning Cable • Use Fibre Optic Mode-Conditioning Cable for Gigabit Ethernet longer than 550 meters • You can run Gigabit Ethernet over up to 2-km-long multimode fibre optic cable. Ho...

...software, and access systems. • __________________________________ • __________________________________ • Education • Prevent students from damaging or disconnecting network ports or walking off with computer cables. •   • _______________________...

...Separate horizontal and vertical sync (used in VGA systems found in PCs and some newer Sun and Mac computers) • These differences are an issue when you’re connecting to a wide variety of CPU types that may provide different types of video output.

Multiplexing and demultiplexing video signals and data streams. • Multiplexing and demultiplexing • Much of the complexity in a KVM extender’s design involves multiplexing and demultiplexing the RGB (separate sync) video and various data strea...

Solid vs. Stranded patch Cable • Solid vs. Stranded Patch Cable • UTP Solid Cable • For runs between two wiring centres or from the wiring centre to a wallplate, choose our regular UTP cable. These solid-conductor cables, designed for horizont...

...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 participate i...