Triple COM Expansion Kit
                The PCM31 provides three additional RS232 to the front panel, allowing for a Shuttle Slim model to support a max of five serial ports to connect peripheral devices.
                 
              
 
              
              
                
                  
                  
                  
                  
                    | Purpose | Triple COM port expansion for Shuttle Slim PC 
 | 
                  
                  
                  
                  
                  
                    | External Port(s) | Triple COM port adapter |