After a bit of digging, I foudn that the wall behind the cluster of Thinkpads in the Columbus module is made up of European Drawer Rack modules[0] which are bas

After a bit of digging, I foudn that the wall behind the cluster of Thinkpads in the Columbus module is made up of European Drawer Rack modules[0] which are basically 19in racks. NASA has its own International Standard Payload Rack (ISPR) module system[1]. It would be interesting to see some articles on the power and data infrastructure of the station. [0] http://www.esa.int/Our_Activities/Human_Spaceflight/Columbus/European_Drawer_Rack http://www.esa.int/Our_Activities/Human_Spaceflight/Columbus... [1] https://en.wikipedia.org/wiki/International_Standard_Payload_Rack https://en.wikipedia.org/wiki/International_Standard_Payload...