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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).|
uploadTo send data from a user's machine to a server. For more details, see download and download vs. upload.
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Abbr. for Underwriters’ Laboratories, Inc.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.