Uplinks are commonly used in satellite telecommunications to broadcastsatellite radioand television.
Broadcasters transmit signal feeds from ground stations to the orbiting satellite, a process known as satellite uplink.
Cellular andother wireless broadband serviceproviders sometimes refer to the upstream communication path of a internet as uplink transmission.
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These ports allow a web connection to communicate with other outside networks.
Uplink ports on home routers, for example, allow a connection to broadband modems and the internet.
Ethernet hubs, switches, and routers traditionally designate one Ethernet port as the uplink connection.
That port is marked on the unit by name or color.
The terms uplink and downlink here apply to which end of the connection initiates a data transfer.
While technically correct, the usefulness of this key in of connection is limited.
Connecting devices to both ports of a shared port equipment stops the unit from functioning properly.
FAQ
Satellites transmit on one frequency and receive on a different frequency to avoid interference between signals.
Also, the uplink must have a higher frequency than the downlink frequency to penetrate the atmosphere.
An uplink is a signal leaving your mobile phone and transmitting it to a cell tower.
A downlink is a signal transmitting to your mobile phone from thecell tower.
