, the term terminal equipment has the following meanings: 1.
Communications equipment at either end of a communications link,
used to permit the stations involved to accomplish the mission
for which the link was established. 2. In radio-relay systems,
equipment used at points where data are inserted or derived, as
distinct from equipment used only to relay a reconstituted
signal. 3. Telephone and telegraph switchboards and other
centrally located equipment at which communications circuits are
terminated. Source: from Federal Standard 1037C