9.9.2 Examples

Example Command Sequence 1: File transfer using XModem+CRC with 9.9.1.1 +FS

→ AT+FS=1,1,2,"ISRGRootX1",1391           //Load 1391 byte certificate using XModem+CRC
← #                                       //Raw binary mode indicator
← CC                                      //Initial handshake, repeating C meaning CRC
→ SOH 01 FE DATA[128] CRC CRC             //First 128 byte data frame
← ACK                                     //Receiver acknowledge
→ SOH 02 FD DATA[128] CRC CRC             
← ACK
→ SOH 03 FC DATA[128] CRC CRC
← ACK
→ SOH 04 FB DATA[128] CRC CRC
← ACK
→ SOH 05 FA DATA[128] CRC CRC
← ACK
→ SOH 06 F9 DATA[128] CRC CRC
← ACK
→ SOH 07 F8 DATA[128] CRC CRC
← ACK
→ SOH 08 F7 DATA[128] CRC CRC
← ACK
→ SOH 09 F6 DATA[128] CRC CRC
← ACK
→ SOH 0A F5 DATA[128] CRC CRC
← ACK
→ SOH 0B F4 DATA[128] CRC CRC
← ACK
→ EOT                                     //End of transmission
← ACK 
→ OK                                      //AT Command completion