RO=> AREA:  +---------------+----------------+
                         | Function Code |    Channel     |
                         |               |                |
                         +---------------+----------------+
                         |           Argument 1           |
                         |                                |
                         +--------------------------------+ 
                         |           Argument 2           |       
                         |                                | 
                         +--------------------------------+                    
                                         .     
                                         .
                                         .                
                         +--------------------------------+ 
                         |           Argument n           | 
                         |                                | 
                         +--------------------------------+