Backbone – The cable used to attach all systems of a multi-level distributed process to an intermediate technique.
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Supply – The device (usually LED or laser) applied to convert an electrical facts-carrying sign into a corresponding optical signal for transmission by an optical wave manual.
Coaxial Cable – A cylindrical transmission line comprised of the conductor centered inside a metallic tube or defend, separated by a dielectric content, and usually lined by an insulating jacket. The type of cable that back links your cable Tv set supplier to your own home or Business.
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Capacitive Reactance – The opposition to alternating recent because of the capacitance of the capacitor, cable, or circuit. It really is calculated in ohms and it is equivalent to one/6.28fC exactly where f is the frequency in Hz and C will be the capacitance in farads.
BNC – Abbreviation for “Bayonet Neil Concelman”. A coaxial cable connector made use of extensively in video clip and R. File. purposes and named for its inventor.
Margin – Distance amongst Go Here reference edge of cable and nearest edge of 1st conductor or center of first conductor.
Concentric Stranding – A group of uninsulated wires twisted collectively and that contains a center Main with subsequent layers spirally wrapped round the Main with alternating lay directions to variety just one conductor.
Pressure Gauge – A device for analyzing the quantity of strain (adjust in dimensions) when a pressure is used.
Ringing Out – The whole process of locating or figuring out distinct conductor paths by the use of passing a latest by means of picked conductors.
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if [ -file /and so on/apcupsd/powerfail ]; then echo informative post echo "APCUPSD will electric power from the UPS" echo /and so forth/apcupsd/apccontrol killpower echo echo "Please make sure that the UPS has driven off right before rebooting" echo "Normally, the UPS may well cut the ability in the reboot!!!" echo
Jumper – A short length of conductor or flat cable used to make a link among terminals or close to a break in a circuit, or in between circuit boards.