GE Security KTD-HDS series Digiplex HDS system provides the most compact video switcher available in the CCTV industry. With its expansion capability, a single 84-inch rack can switch 1024 inputs into 256 outputs. Ease of installation, operation, and management are top features of this sophisticated system. Because of its compact size, the Digiplex HDS is ideal for casinos, hotels, health care facilities, prisons, airports, transportation facilities, manufacturing facilities, and other large-scale applications. The HDS system can be configured as follows: Minimum: 16 inputs x 8 outputs. Maximum: 4096 inputs x 256 outputs. The basic HDS system is made up of the switcher and Controller.