Documentation issue status
Firmware and hardware versions
The firmware and hardware versions (delivery state) can be found in the serial number printed on the side of the terminal.
Syntax of the serial number
Structure of the serial number: WW YY FF HH
WW - week of production (calendar week)
YY - year of production
FF - firmware version
HH - hardware version
Example with ser. no.: 39 04 1B 01:
39 - week of production 39
4 - year of production 2004
1B - firmware version 1B
01 - hardware version 01