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but sent to the ground); the remaining status data (that not processed for display) is not available on D/L, & goes the same route as the science data (& must be processed - in Germany - post-flight) Experiment interfaces to MODUS: [[right margin]] SERIEL DATA IN - ANALOG DATA IN STATUS IN SERIEL CMD (OUT) DISCRETE CMD (OUT) [[/right margin]] [[left margin]] Each experiment (except MAUS1/FPL) has dedicated connection to the DHS. The type of I/O [[/left margin]] depends on the exp (e.g. MASS SPEC has all 5 types above, MAUS 2 has discrete cmds only; MOMS has analog data (its pressure, video, etc) but no seriel data - that's on a dedicated recorder) MODUS contains "EMER-OFF" logic circuit which it uses for each experiment: if it sees an "OFF" cmd from KYBD, but no "OFF" status in 10 sec, it cmds the "EMER-OFF" relay (in series with "OFF" only) to open NOTE: each experiment also has internal capacitors & circuitry which switch it off if power is lost