Siemens SIMATIC IPC127E Operating Instructions Manual page 22

Mounting and connecting the device
3.1 Preparing for mounting
Example of a COA label
Microsoft Windows "Product Key" of the "Certificate of Authenticity" (COA):
The COA label is only attached to the rear of the device when Windows® is installed.
● COA label of a device with operating system Windows® 10 Enterprise LTSB 2016, 64-bit,
MUI (De, En, Fr, It, Sp)
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Operating Instructions, 01/2019, A5E44296915-AA
SIMATIC IPC127E