IBM 7531/7532 Industrial Computer Keyboard
Provided by the ASK Keyboard Directory
W/ IBM black square badge
eg, P/Ns 1388032, 1388044, 1388072, 1388076
IBM-made 101-key (ANSI) or 102-key (ISO) Enhanced Industrial Keyboard for the IBM 7531 and 7532 Industrial Computers. It came with an SDL to AT-style 5-pin DIN plug cable and was the first IBM Enhanced Keyboard variant to make it to market.