| Velocity Of Propagation |
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This parameter is used for communication media such as data cables (e.g., Category 5 Cable cables). Plenum data cable typically has a VoP ranging from 42 to 72 (42% to 72% of the speed of light) and riser cable around 70. A VoP of 70 would correspond to a speed of approximately 210,000km/s or 4.76ns/m. In some technologies, such as Ethernet / Fast Ethernet the maximum length is dependent on the propagation delay of the medium. TYPICAL VELOCITY FACTORS From table 19.1 in the ARRL Handbook, some typical velocity factors: SEE ALSO |
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