Barco MGP 15 Dicom Theater Hardware & Software Installation & User Manual page 18

Introduction
3. Connect a free PC COM port to the projector RS-232
connector by means of the D-Sub9-to-D-Sub9 cable (15 m /
50 ft).
4. Connect the I-Guard optical sensor to a free PC USB
downstream connector. If the cable is not long enough, you
have to use a USB booster/extender.
Installation of the sensor is described more in detail in the
section "MediCal and Dicom Theater software installation
and usage".
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