A smaller building may have a single, computerized HVAC controller that operates the direct digital control (DDC) system. However, a large building normally requires a more complex system of ...

The FC-75211M2 Fibre Channel network-access controller from Data Device Corp. (DDC) employs an SAE AS5653 interface, also known as High-Speed 1760, a 1-Gbps communication option for MIL-STD-1760. Each ...