User's Manual

ACR122L
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USB
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ACS
5.2. Without Press FW Key
Step 1: Plug the USB Cable from the PC.
Step 2: Send EscapeCommand for Enter FW upgrade mode
Command = {E0 00 00 E0 00}.
Response = {E1 00 00 00 01 “Status”}
Step 3: The USB Mass Storage Device can be found in Device Manager, release the FW Key
Step 4: Execute the Firmware Upgrade Program:
“ FW Upgrade Tool.exe ”
Step 5: Pressing the “Load BIN” Button.
Select the “Firmware” file for Upload to the Reader