patch board

patch panel

noun

a device with a large number of sockets into which electrical plugs can be inserted to form many different temporary circuits: used in telephone exchanges, computer systems, etcAlso called: plugboard

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012