Black Box Explains: Copper Cable • Choosing the right copper cable for your network can be a daunting proposition. You have to consider many factors such as network equipment, available space, bandwidth specifications, total cost of ownership,...

Energy-Efficient Ethernet • Energy-Efficient Ethernet • The IEEE 802.3az Ethernet standard, ratified in 2010, provides a standardized way for some Ethernet devices to reduce power consumption. Energy-Efficient Ethernet devices have a low-power...

Alien Crosstalk • Alien Crosstalk • Alien Crosstalk (ANEXT) is a critical and unique measurement in 10-GbE systems. Crosstalk, used in 10/100/1000BASE-T systems, measures the mixing of signals between wire pairs within a cable. Alien Crosstalk...

IEEE 1284 - The parallel printer interface • IEEE 1284 - The parallel printer interface. • IEEE 1284, the standard for bidirectional parallel printer bus support, defines two interface levels and specifies a physical and electrical interface. ...

UARTS at a glance • UARTS at a glance. • Universal Asynchronous Receiver/Transmitters (UARTs) are integrated circuits that convert bytes from the computer bus into serial bits • for transmission. By providing surplus memory in a buffer, UARTs ...

S/PDIF Digital Audio • S/PDIF. • S/PDIF (Sony/Philips Digital Interface Format) is a type of digital audio transfer file format developed primarily by Sony and Philips. It enables the transfer of digital audio without converting it to and from...

On-screen menus. • ServSwitch™ and on-screen menu's • The first version • When the ServSwitch™ brand of KVM switches was first introduced, there were only two ways to switch: from front-panel push buttons or by sending command sequences from t...

Multisync and multiscan monitors. • Multisync and multiscan monitors • A multisync monitor can sense the synchronization signal type it’s connected to and then configure itself to use that signal to generate its display. Because it can match i...