X-COM 01  3 Product Description 
HI 801 011 E Rev. 5.00  Page 13 of 42 
3.4  Structure 
The module is composed of: 
  Processor System 
  Ethernet Switch 
Ethernet and fieldbus interfaces on the connector board. 
The module is equipped with LEDs to indicate the status, see Chapter 3.4.3. 
3.4.1  Block Diagram 
The following block diagram illustrates the structure of the module. 
  Fieldbus submodule 1 
  Fieldbus submodule 2 
  Ethernet Switch 
  Processor System 
  Ethernet Interface 
  System Busses