TTL/ANALOG OUTPUT
APPENDIX C
65
Mortara Instrument provides the capability of interfacing an X-Scribe to a cardiac ultrasound (Echo) imaging
system. This function is accomplished through an optional TTL (transistor, transistor, logic) or analog output.
WARNING: Equipment connected via the TTL or analog cable must be IEC 60601-1 compliant.
TTL Output
The signal complies with the TTL standards and can be derived from any of the 12 leads. The Echo captures
images of ventricular systole and diastole based on R-wave gating.
Sample Representation of R-wave Pulse Output
Analog Output
The analog option includes a cable that must be plugged into the analog output jack on the back of the M12-USB
device.
Sample Representation of R-wave Pulse Output
NOTE: The interface cable to the Echo device or other equipment requiring an ECG trigger should be
supplied by the manufacturer of the equipment requesting the signal, or the facility Biomedical
Department. This is a standard RCA to device interface cable.
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