AL.SO (unknown module)

AL.SO (unknown module) is a a 500 series module with an unknown purpose, manufactured by AL.SO.

History
The module can be seen featured in a rack of AL.SO modules, dating from 2007, but it is unknown if it was only a special-purpose module not intended for sale or if it was a prototype which never reached the market. It features 4 front panel DB25 connectors.