...displaying information. Often multiple screens in various locations are networked through a digital signage system, so they all show the same information and can be updated at the same time. • Touchscreens • The same technology you see at ATMs and i...

...video resolution of 4096x2400 pixels. However, the most commonly used resolution is UHD (Ultra High Definition) at 3840x2160 pixels. This resolution basically allows for four full HD signals of 1920x1080 pixels to be displayed on a single scr...

...VPN considerations • Things to consider about VPN connections • Who’s setting it up? • You can buy and set up VPN equipment by yourself. But some service providers have introduced VPN solutions that guarantee certain levels of service. They boast...

...be made over a number of different kinds of media including Public Switched Telephone Network (PSTN), Integrated Services Digital Network (ISDN), wireless, and Digital Subscriber Line (DSL). • Remote access enables remote users to dial into your L...

...There are several things you should consider when choosing a rack. If you need frequent access to all sides of the equipment and cabling, an open rack is more convenient than a cabinet. If your equipment needs ventilation, a rack offers more a...

...Cabinets have two sets of rails, front and back, where you can mount shelves, trays, cable managers, and power strips. • Shelves • Shelves are an easy solution for storing things that aren’t rackmountable. The shelves attach to the rails; servers o...

...or repeater types of devices are designed to equalize and amplify the signal to go greater distances. Some support daisychaining, so by stringing two of them together you can send data double the distance. • But in-line extenders can only take...

...that is the middle of your data center just any ugly thing being gray, green, blue or black with a lot of holes to plug in RJ45 patchcords? • Consider your network working without a switch. • Your network would not be a network without a networ...

...Fibre Channel is a set of communication standards designed to provide high-speed data transfer over a duplex, serial interface. It’s an open standard that supports multiple protocols including higher-level protocols, such as FDDI, SCSI, HIPPI, and ...

...for a wide variety of applications. After evaluating the technology, most users are convinced of its reliability, satisfied with its performance and are ready to use it for large-scale applications and complex wireless networks. Black Box’s wir...