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In some cases the term higher speed rail would sound incorrect to define a train travelling below a high speed since higher is greater than high. Therefore, the word higher speed rail would sound correct to refer to a train at a speed between 300 and 500 km/h (i.e. greater than the high speed of 200–300 km/h). [according to whom?]
The term MAN is applied to the interconnection of local area networks (LANs) in a city into a single larger network which may then also offer efficient connection to a wide area network. The term is also used to describe the interconnection of several LANs in a metropolitan area through the use of point-to-point connections between them. [1] [2]
In 2022, Greece's first high-speed train began operations between Athens and Thessaloniki. The 512 km (318 miles) route is covered in 3 to 4 hours with trains reaching speeds of up to 250 km/h (160 miles/h). [176] The 180 km (112 mile) line from Athens to Patras is also being upgraded to high speed with an expected completion by 2026.
The proposal is to have trains running at speeds between 79 and 110 mph (127 and 177 km/h). The state transportation department is interested in the study but is not ready to move beyond this study. [173] In Texas, the East Texas Corridor Council proposed a higher-speed rail route between Longview and Dallas. The trains will operate at speeds ...
Also, these trains are used to escort visiting upper level management from other railroads for the purpose of a proposed purchase or sale of a rail line. [176] [177] [178] One-man operation (OMO) (US) Operation of a train by the driver or motorman alone, without a conductor Outlawed
In addition, when the scope of a diagram crosses the common LAN/MAN/WAN boundaries, representative hypothetical devices may be depicted instead of showing all actually existing nodes. For example, if a network appliance is intended to be connected through the Internet to many end-user mobile devices, only a single such device may be depicted ...
Optical networking is a means of communication that uses signals encoded in light to transmit information in various types of telecommunications networks.These include limited range local-area networks (LAN) or wide area networks (WANs), which cross metropolitan and regional areas as well as long-distance national, international and transoceanic networks.
The textbook definition of a WAN is a computer network spanning regions, countries, or even the world. [ 3 ] [ 4 ] However, in terms of the application of communication protocols and concepts, it may be best to view WANs as computer networking technologies used to transmit data over long distances, and between different networks.