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The radio or optical transmission path upward from the earth to a communications satellite, or from the earth to aircraft.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
uplink(1) The transmission from an earth station up to a satellite. Contrast with downlink.
(2) The transmission from a cellphone or other mobile device to a cell tower. Contrast with downlink.
(3) A port on a network device that is used to connect to another network device rather than to a client or server. See MDI port.
|An Uplink Port|
|Ethernet switches used to have an uplink port for connecting to another switch or hub. The port was eventually discarded as equipment became more sophisticated (see MDI port).|
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