I have to connect a device to computer via rs-232.. I want to use fw 2.0's serailport class but i dont know how can i handle this ..
 In vendor information of device, communucation packets defined as

                             <ENQ> ->

                                     <- <ACK>

<STX>[F1][DATA]<ETX>[C1][C2]<CR><LF> ->

                                      <- <ACK>

                             <EOT> ->

 I dont know that should i sent start of frame, checksum1,checksum2 linefeed, of sould send only frame no and data?