uplink

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uplink

[′əp‚liŋk]
(communications)
The radio or optical transmission path upward from the earth to a communications satellite, or from the earth to aircraft.

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).
References in periodicals archive ?
As part of the agreement with Eutelsat, its Skylogic affiliate is uplinking the three channels from its teleport in Turin.
Private broadcasters in India have been given permission to use uplinking facilities to better improve news bulletins and other telecasts, according to Minister for Information and Broadcasting Sushma Swaraj.