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APPX
Appendix 1 How to Check the Date of Manufacture
167
A
APPENDIX
Appendix 1
How to Check the Date of Manufacture
Check the date of manufacture of the product (except the expansion board) as follows.
• Nameplate
• Module front surface (CPU module only)
Checking the nameplate
The date of manufacture of the product can be checked from the manufacturer's serial number "S/N" indicated on the
nameplate of the product. (For details of the battery, refer to

Page 158 Reading the date of manufacture)
Ex.
Check on the module front surface
The year and month of production of the product can be checked from the manufacturer's serial number LOT on the front (at
the bottom) of the CPU module.
4 1 X 0 0 0
Control number
Year (Example: 2014): Last two digits of year
1
Month (Example: October):
1 to 9 = January to September,
X = October, Y = November, Z = December
Right side
Example nameplate
(manufacturer's serial number: 1490001)
CPU module
* Actual product nameplate differs
from the example shown above.
1 4 X
Year (Example: 2014): Last two digits of year
Month (Example: October):
1 to 9 = January to September,
X = October, Y = November, Z = December
LOT 14X