Sony FCB-ER8550 Technical Manual page 19

Update Procedure (UART)
Enter Maintenance Mode
HOST
CAM_Power off
8x 01 04 00 03 FF
Enter
Standby
Mode
ACK, COMP
8x 01 04 00 0C FF
ACK, COMP
8x 01 04 00 0D FF
ACK, COMP
Enter
Maintenance
8x 01 04 00 13 FF
Mode
ACK, COMP
8x 01 04 00 04 FF
ACK, COMP
8x 01 04 00 20 FF
ACK, COMP
Transition to
maintenance
mode
* When power is off during this period, camera will be broken.
Maintenance Mode
FCB
Firmware Update
Ready Message
Sending firmware
1
HOST
"ready" + CR
"reprogram ( )" + CR
Sending Firmware Binary
with X modem protocol
'reboot' + CR
* When power is off during this period, camera will be broken.
FCB
* WRITING Firmware