...Bending a fibre cable • One of the most important considerations when installing fibre optic cable is maintaining the minimum bend radius. Bending a fibre cable excessively may cause the optical signal to refract and escape through the cladd...

...required. Copper-wire cable can be video coax, miniature coax, or, most commonly, shielded twisted pair with a DB9 or HSSDC connector. Fibre choices include 62.5- or 50-µm multimode and 7- or 9-µm single-mode fibre, all with an SC connector. • Oth...

...high-fibre-count ribbon cable. It’s used in high-density fibre applications. • The MU connector resembles the larger SC connector. It uses a simple push-pull latching connection and is well suited for high-density applications. • Learn more: • Flat,...

...connecting IEEE-488 cables, some rules apply. The total number of devices should be 15 or less. The total length of all cables should not exceed 2 metres multiplied by the number of connected devices, up to a maximum of 20 metres. And no more th...

...the insertion. • Copper Cable • In copper cable, insertion loss measures electrical power lost from the beginning of the run to the end. • Fibre Cable • In fibre cable, insertion loss (also called optical loss) measures the amount of light lost from...

...pair within a four-pair cable. TSB-67 requires that pair-to-pair NEXT be measured on all pair combinations in a cable. The worst pair-to-pair NEXT measure should not exceed the cable's specified limits. • PS-NEXT is a much more rigorous crosstalk me...

...of terminating SCSI cables. Active terminators control the impedance at the end of the SCSI bus by using a voltage regulator, not just the power supplied by the interface card. • Passive termination. • A passive terminator sits on the bus to min...

...such as Ultra SCSI Fast-20 and the new Low-Voltage Differential Signal (LVDS) technology. • Because of SCSI-5’s special offset cable exit, up to four channels can be accommodated in one card slot. Connections are also easier where space is limited.

...of two modes: serial or parallel. • In serial mode, the data stream is transmitted one bit at a time. • In parallel mode, multiple bits are sent simultaneously. • Generally, serial cables have DB9 connectors; parallel cables have DB25 connectors.

...means the interconnect cable requires less board space. • Thinner cables • Serial ATA also uses thinner cables (no more than 6.3mm wide) that are available in longer lengths (up to 1 metre) as well as an improved connector design to reduce crosstal...