Patent ID: 11920816
Assignee: JOHNSON CONTROLS TYCO IP HOLDINGS LLP
Field: Control (Instruments)
Classification: CPC F  G | IPC F  G

Claim 0:
1. A control board of a heating, ventilation, and air conditioning (HVAC) system, comprising:
a microcontroller programmed to control operation of equipment in the HVAC system;
a plurality of communication buses communicatively coupled to the microcontroller, wherein the plurality of communication buses is configured to transmit data in accordance with communication protocols different from one another; and
a switchable input/output (I/O) port communicatively coupled to the microcontroller via a switchable communication bus, wherein the microcontroller is programmed to communicatively couple the switchable communication bus and a selected communication bus of the plurality of communication buses based on a target communication protocol used by the equipment.