User guide
Using the Input/Output Panel 
To access the input/output (I/O) ports, remove the cable cover at the bottom of the 
unit. A security screw is included and may be used to secure the cable cover to the 
touchcomputer. Below are the I/O descriptions by model: 
C3 models 
C2 models 
  Note: The DB9 Serial (COM) ports are defaulted (from left to right) COM3 and COM4 
Note: As a safety precaution, always leave the cable cover door attached when the 
system is powered on. 
C-Series Touchcomputer for Healthcare Applications User Guide 14 










