Introduction to SCSI technology. • Introduction to SCSI technology • SCSI (Small Computer Standard Interface), pronouced "scuzzy", enable you to connect your computer to wide range of peripherals such as hard disks, CD-ROMS, printers and scann...
Surge vs. lightning protection. • Surge vs. lightning protection • A brief rise in voltage • A surge is a brief rise in voltage that's caused when power is switched on or off to a high-powered device. Surges can produce high-transient voltages...
Transatlantic G.703 comparisons. • Transatlantic G.703 comparisons • Europe • U.S. • Called E1 • Called T1 • 32 user timeslots • 24 user timeslots • Total speed: 2.048 Mbps unframed • Total speed: 1.544 Mbps unframed • User speed: ≤ 1.984 kbps...
PAM-Modes • G.SHDSL devices use two parameters for line configuration: PAM and BASE RATE. While G.SHDSL Economy and Etherlink II modems only know two PAM modes (16 and 32), Etherlink IV works with PAM modes from 4 to 128. Although the PAM mo...
USB Standards • USB standards • The Universal Serial Bus (USB) hardware (plug-and-play) standard makes connecting peripherals to your computer easy. • USB 1.1 • USB 1.1, introduced in 1995, is the original USB standard. It has two data rates: ...
What to consider when choosing a rack • What to consider when choosing a rack. • Why racks? • A rack is any freestanding frame that doesn’t have doors or sides. There are several things you should consider when choosing a rack. If you need fre...
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...
DIN Rail, Industrial Ethernet and Low and High Temperature Grade Devices • DIN Rail, Industrial Ethernet and Low and High Temperature Grade Devices • While racks and standard office temperatures are very common when using an Ethernet Device in...
SCSI Ultra2 and LVD (Low-Voltage Differential) • SCSI Ultra2 and LVD (Low-Voltage Differential) • Small Computer Systems Interface (SCSI), pronounced “scuzzy,” has been the dominant technology used to connect computers and high-speed periphera...