How to query the factory time of HG8145C

Hi friend.

You can query the product ID on the back of the nameplate. The eighth digit starts from the last digit. This digit indicates the year and the last digit indicates the month.

For example, the production date of 21500824982SF19000061 is F1, where F indicates the year in hexadecimal format, that is, 15 years, and 1 indicates the month in hexadecimal format, that is, January.
Therefore, the ONT was manufactured in January 2015.

Thanks.