plugboard

[ pluhg-bawrd, -bohrd ]
/ ˈplʌgˌbɔrd, -ˌboʊrd /

noun

Electricity. an electric switchboard with plugs for telephones and the like.
Also called control panel. Computers. a removable panel containing manually wired electrical terminals into which plugs or pins are inserted: formerly used to control operation of peripheral equipment, as a keyboard.

Origin of plugboard

First recorded in 1885–90; plug + board

British Dictionary definitions for plugboard

plugboard
/ (ˈplʌɡˌbɔːd) /

noun

another name for patch board