Changes
/* I can see an additional COM port in the device manager, where is it physically? */
*fitlet2 comes with a single RS232 ultra-mini com port (COM1)
*There is another COM ports inside the chassis (COM2) for the use of developing additional FACET cards.
*That The additional COM port is no not accessible externally whatsoever.
===What is the DC input voltage tolerance for the fitlet2?===
