Know your gear
The Crestron CEN-CI3-1 is a compact device designed to provide a versatile control interface and expansion solution using any single 3-Series Control Card. It is used to expand the control ports of a 3-Series Control System, and can be installed with the control system at the central equipment cabinet or located remotely near the devices under control. It can be rack-mounted, placed on a shelf, or attached under a table.