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BUILDING NETWORK ADAPTER BNA-1C/2CS/2DN
24 EN1B-0198GE51 R0801
Start
Initialize Hardware
Heartbeat LED Blinks
RED
New
Download?
Firmware in
Flash?
Run Booloader
Command Shell
Very First
Run?
Download new
Firmware to
Flash Memory
Mode
Button
pressed?
Yes
No
Stay in
Bootloader?
Yes
No
Yes
Start
Firmware
Yes
No
No
Ask for root
password
Yes
No
In case of any error
heardbeat blinking stops and
LED will be permanently on
for 5 Seconds. Then BNA
restarts.
Figure 6-1: BNA Bootloader Execution