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