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They can be as short as 3 inches (76 mm), to connect stacked components or route signals through a patch panel, or between 6 and 50 metres (20 and 164 ft) for snake cables. As length increases, the cables are thicker or more shielded, or both, to prevent signal loss (attenuation) and the introduction of unwanted radio frequencies and hum ...
10BASE5 vampire tap Medium Attachment Unit (transceiver) 10BASE5 transceivers, cables, and tapping tool. 10BASE5 (also known as thick Ethernet or thicknet) was the first commercially available variant of Ethernet. The technology was standardized in 1982 [1] as IEEE 802.3. 10BASE5 uses a thick and stiff coaxial cable [2] up to 500 meters (1,600 ...
The US Navy used the term BNC to mean "Baby Neill Constant". The term BNC appeared in 1948 in ads for Amphenol connectors [4] together with the MIL-spec name UG-88/U.. While Paul Neill and Carl Concelman did not invent the BNC, it is often suggested that BNC means Bayonet Neill–Concelman. [5]
[4]: p.12–14 If the electrical length is much less than one, that is the physical length of a conductor is much shorter than the wavelength, say less than one tenth of the wavelength (< /) it is called electrically short. In this case the voltage and current are approximately constant along the conductor, so it acts as a simple connector ...
Ordinary fibers measure 125 μm in diameter (a strand of human hair is about 100 μm). The inner diameter measures 9 μm for single-mode cables, and 50 / 62.5 μm for multi-mode cables. The development of "reduced bend radius" fiber in the mid-2000s, enabled a trend towards smaller cables.
10BASE2 uses RG-58A/U cable or similar for a maximum segment length of 185 m as opposed to the thicker RG-8-like cable used in 10BASE5 networks with a maximum length of 500 m. The RG-58 type wire used by 10BASE2 was inexpensive, smaller and much more flexible than the specialized RG-8 variant. 10BASE2 can also use RG-59 cable.
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] Traditionally rope is made on long ropewalks, the length of which determines the maximum length of rope it is possible to make.
For this, fiber patch cables with duplex connectors are normally configured as crossover as is the on-premises wiring. [ citation needed ] Thus, a simple connection with two patch cables at each end and a section of fixed cable in the middle has three crossovers in total, resulting in a working connection.