...is always useful for cable management. • Rails. • A main cabinet component is one or two pairs of vertical rails with mounting holes to which you attach your equipment or shelves. The most common spacing between rails is 19 inches with hole-to-ho...

...modems via RS-232 cable. Many remote access servers also support ISDN with either internal ISDN circuitry or through external terminal adapters. • The remote access server enables remote users to dial into the LAN via a modem connection and us...

...4-pair CAT5/CAT5e/CAT6 cable, leaving the other two pairs free to transmit power for Power over Ethernet (PoE) applications. However, Gigabit Ethernet or 1000BASE-T uses all four pairs of wires, leaving no pairs free for power. So how can PoE work ...

...connectors. • USB 3.0 cable contains nine wires, four more than USB 2.0, which has one pair for data and one pair for power. USB 3.0 adds two more data pairs, for a total of eight plus a ground. These extra pairs enable USB 3.0 to support bidirect...

...by your DVD player or cable box, giving you a sharper image and truer colors. • To use the Component video built into your video devices, all you need is the right cable. A Component video cable has three color-coded BNC connections at each end. F...

...instance, maximum V.35 cable distances can theoretically range up to 610m at speeds up to 64 kbps. Actual distances will depend on your equipment and cable. To achieve such high speeds and great distances, V.35 combines both balanced and unbalanced...

...with 25-pin connectors, you’ll need a simple adapter cable. The most commonly used interface, RS-232 is ideal for transmitting data at speeds up to 20 kbps and over distances up to 50 feet (15.2 m). • Learn more: • Serial ATA technology. •  

...on projectors. An M1 cable can also be used to power accessories, such as interface cards for PDAs. • There are three primary types of M1 connectors: • M1-DA (digital and analog) • this is the most common connector, and it supports VGA, USB and D...