Definition
A network interface is the hardware or software connection point that allows a device or system to exchange data with a communications network. In aviation contexts, it refers to the point where avionics, ground systems, or data link equipment connect to a wider data network for sharing information such as weather, traffic, flight plans, or surveillance data.
Plain English
It is the connection point that lets a piece of equipment talk to a network and share information with other systems.
Context Anchor
Seen in aircraft electronics, system manuals, and maintenance or installation information for equipment that shares data.
Derivation
From 'network' (a connected group of things) and 'interface' (a shared boundary where two systems meet and interact). Together: the meeting point where a device connects to a network.
Why Pilots Care
Pilots may not adjust a network interface directly, but understanding the term helps when reading system descriptions or discussing why one electronic unit is not sharing information with another.
Intuition Check
Do not read interface here as only a screen or display. In this use, it means the connection that lets electronic systems exchange data.
Example Sentence 1
The new avionics unit includes a network interface so it can receive weather updates from the ground data service.
Example Sentence 2
A faulty network interface prevented the weather radar from sharing data with the cockpit displays.