IBM DS3500

Installing the EXP3500 expansion enclosure in a rack
You can install the EXP3500 storage subsystem in an Electronic Industries
Association (EIA) 310 standard rack. For complete rack installation instructions, see
IBM System Storage DS3500 and EXP3500 Rack Installation and Quick Start
Guide.
22 System Storage DS3500 and EXP3500: Installation, User’s, and Maintenance Guide