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  2. RS-422 - Wikipedia

    en.wikipedia.org/wiki/RS-422

    Figure A.1 shows a maximum length of 1,200 meters (3,900 ft), but this is with a termination, and the annex discusses the fact that many applications can tolerate greater timing and amplitude distortion, and that experience has shown that the cable length may be extended to several kilometers.

  3. Catenary - Wikipedia

    en.wikipedia.org/wiki/Catenary

    If the weight of the roadway per unit length is w and the weight of the cable and the wire supporting the bridge is negligible in comparison, then the weight on the cable (see the figure in Catenary#Model of chains and arches) from c to r is wx where x is the horizontal distance between c and r. Proceeding as before gives the differential equation

  4. Cable length - Wikipedia

    en.wikipedia.org/wiki/Cable_length

    A cable in this usage cable is a thick rope or by transference a chain cable. [1] The OED gives quotations from c. 1400 onwards. A cable's length (often "cable length" or just "cable") is simply the standard length in which cables came, which by 1555 had settled to around 100 fathoms (600 ft; 180 m) or 1 ⁄ 10 nautical mile (0.19 km; 0.12 mi). [1]

  5. Fast Ethernet - Wikipedia

    en.wikipedia.org/wiki/Fast_Ethernet

    Fast Ethernet is an extension of the 10-megabit Ethernet standard. It runs on twisted pair or optical fiber cable in a star wired bus topology, similar to the IEEE standard 802.3i called 10BASE-T, itself an evolution of 10BASE5 (802.3) and 10BASE2 (802.3a). Fast Ethernet devices are generally backward compatible with existing 10BASE-T systems ...

  6. Coaxial cable - Wikipedia

    en.wikipedia.org/wiki/Coaxial_cable

    Coaxial cable, or coax (pronounced / ˈkoʊ.æks /), is a type of electrical cable consisting of an inner conductor surrounded by a concentric conducting shield, with the two separated by a dielectric (insulating material); many coaxial cables also have a protective outer sheath or jacket. The term coaxial refers to the inner conductor and the ...

  7. Transmission line - Wikipedia

    en.wikipedia.org/wiki/Transmission_line

    Transmission line. Schematic of a wave moving rightward down a lossless two-wire transmission line. Black dots represent electrons, and the arrows show the electric field. One of the most common types of transmission line, coaxial cable. In electrical engineering, a transmission line is a specialized cable or other structure designed to conduct ...

  8. Carrier-sense multiple access with collision detection

    en.wikipedia.org/wiki/Carrier-sense_multiple...

    A remote collision, in CSMA/CD computer networks over half-duplex media (10BASE5 or 10BASE2), is a collision that occurs when a frame shorter than the minimum length is transmitted. This frame may cause a collision at the remote end which cannot be detected by the transmitter, so the frame is not resent on the physical layer.

  9. Electrical length - Wikipedia

    en.wikipedia.org/wiki/Electrical_length

    Massive. v. t. e. In electrical engineering, electrical length is a dimensionless parameter equal to the physical length of an electrical conductor such as a cable or wire, divided by the wavelength of alternating current at a given frequency traveling through the conductor. [ 1 ][ 2 ][ 3 ] In other words, it is the length of the conductor ...