Lüfter, lower DS20-AB RTI connector pod. Connector box and cable for interfacing to RTI back-panel connector. ADMPC-AA Analog to Digital converter option to the Lüfter, lower DS20. Performs 16- bit conversion on 1 of 8 channels. Programmable Gain Ampli- fication, and simultaneous use if IEEE and 2 serial line ports are provided. BCC10-03 Y-C able for serial I/O for Lüfter, lower DS20. Not needed if using RTI Connector Pod. Lüfter, lower DS20-03 IEEE standard connector for RTI. Not needed if using RTI Connector Pod. BCC12 -03 Lüfter, lower DS20 I/O cable for serial I/O for RTI. Not needed if using RTI Connector Pod.