xvi Preface
Serial Number, Configuration, Date Code,
and Modification Codes
The Serial number label is placed onto the Compliance label. It
includes the following information:
•
The serial number (SN), which uniquely identifies the unit.
•
The configuration number (CNFG), which details the build
configuration.
•
The modifications codes, which are to the right of the CNFG
number and are a series of 20 numbers. When any of these
numbers are blocked out, that identifies a modification that was
made to the unit.
•
The date code in YYYY-MM format below the factory date code
symbol.
Serial number Date code
Configuration number Modification codes
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