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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]
This allows a single cable to provide both power and data for high-bandwidth wireless access points such as those that implement the 802.11ac and 802.11ax standards. [ 8 ] Prior to the release of 2.5GBASE-T and 5GBASE-T, manufacturers of wireless access points that wanted to support multi-gigabit uplink speed using standard gigabit Ethernet ...
A long-range seismic sensor network was used during the Andean Seismic Project in Peru. A multi-hop span with a total length of 320 kilometres (200 miles) was crossed with some segments around 30 to 50 kilometers (19 to 31 miles). The goal was to connect to outlying stations to UCLA in order to receive seismic data in real time. [2]
100BASE-TX is the predominant form of Fast Ethernet, and runs over two pairs of wire inside a Category 5 or above cable. Cable distance between nodes can be up to 100 metres (328 ft). One pair is used for each direction, providing full-duplex operation at 100 Mbit/s in each direction.
The propagation delay of a physical link can be calculated by dividing the distance (the length of the medium) in meter by its propagation speed in m/s. Propagation time = Distance / propagation speed. Example: Ethernet communication over a UTP copper cable with maximum distance of 100 meter between computer and switching node results in:
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