Details ETCO2 INTRODUCTION The OEM Compact CO2 CapnoGraphy Module (CO2CGM) is a complete data collection and analysis system for monitoring respiratory carbon dioxide concentration. The CO2CGM module includes a miniature of CO2 detecting system, barometric pressure transducer and a miniature low-power vacuum pump. A microprocessor collects the sensor data and calculates various real-time parameters: instantaneous CO2 concentration, end-tidal CO2 concentration, inspired CO2 concentration, inspiration and expiration times. The module is highly configurable to meet most OEM implementation requirements. System specifications such as baudrate, parity, waveform data rate and floating point data format can be programmed at the factory for custom configurations. Interfacing to the CO2CGM module is very simple. The module requires a +12V supply at 300mA maximum current (200mA typical). The host sends commands and receives waveform, breath parameters and command responses on two +3.3V asynchronous serial data lines.