Today i learnt that the Production Year and Week is ‘hidden’ in the Cisco Serials 🙂
The format of the serial is always like ‘xxxYYWWxxxx’, ‘YY’ is Code for the Year, but not the Year itself! ‘WW’ is the week of manufacture.
| Code | Year |
|---|---|
| 01 | 1997 |
| 02 | 1998 |
| 03 | 1999 |
| 04 | 2000 |
| 05 | 2001 |
| 06 | 2002 |
| 07 | 2003 |
| 08 | 2004 |
| 09 | 2005 |
| 10 | 2006 |
| 11 | 2007 |
| 12 | 2008 |
| 13 | 2009 |
| 14 | 2010 |
| 15 | 2011 |
| 16 | 2012 |
| 17 | 2013 |
| 18 | 2014 |
| 19 | 2015 |
| 20 | 2016 |
| Code | Week |
|---|---|
| 1-5 | January |
| 6-9 | February |
| 10-14 | March |
| 15-18 | April |
| 19-22 | May |
| 23-27 | June |
| 28-31 | July |
| 32-35 | August |
| 36-40 | September |
| 41-44 | October |
| 45-48 | November |
| 49-52 | December |