Description: The plugboard (Steckerbrett) is positioned at the front of an Enigma machine, below the keys. When in use, there can be up to 13 connections. In this photograph, two pairs of letters are swapped (S↔O and A↔J).
Credit: German Enigma Machine, uploaded in english wikipedia on 16. Feb. 2005 by en:User:Matt Crypto
Author: Bob Lord
Permission: Author agreed to license this photograph under the terms of the GFDL after an email exchange with en:User:Matt Crypto
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License Link: http://creativecommons.org/licenses/by-sa/3.0/
Attribution Required?: Yes