Tech Area • Welcome to the Black Box Tech Area site. Our Technical Support teams worldwide are dedicated to providing the best support for our products. If you need technical assistance, we offer many services. • Support Center • If you are lo...

FREE Tech Support • For help ordering products, • contact our FREE Tech Support •   • Power and Surge Protection • PDUs - Power Distribution Units • Convenient rackmount power. • Provide overvoltage protection. •  Choose from 15-, 20-, or -30 amp ...

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...