The DS-20-OF Open Frame Rack can hold 20 PCBs for the following models; DS1-PL, VMD1001 or DTT PCBs.
 
This rack is open in the rear with no back plane.

All connections to PCBs must be made by the user making the appropriate cables.

The computer white rack is a standard 19" 5 1/4" 4U size.

The magnetic latched front door protects the internal programming buttons of the PCBs.