VxComm Firmware:
   1.Support Virtual COM Port ,it can support COM1~COM4 in the backplane 
     and plug in multi serial port modules to expand max 16 COM Port 
     (only support slot0 ~ slot 3, 4 COM Port per slot,max 16 port)
   2.Do not support I/O function

DCON Firmware:
   1.Support Virtual COM Port ,it can support COM1~COM4 in the backplane 
     and plug in multi serial port modules to expand max 8 COM Port
     (only support slot0 and slot 1, 4 COM Port per slot,max 8 port)
   2.Support to configure DCON module via DCON Utility

MODBUS Firmware:(avalible soon)
   1.Support to configure Modbus module via Modbus Utility