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determining manufacture year from system serial number

david.fernandes
Level 1
Level 1

I'd like to confirm how one determines the manufacture year from a system serial number. Is the following true? I couldn't confirm this via docs on Cisco:

Do a "show version" and locate the System Serial Number.

The serial number is in this format: LLLYYWWSSSS

LLL = location of the supplier

YY = year of manufacture

WW = week of manufacture

SSSS = serial-id

Year codes:

01 = 1997

02 = 1998

03 = 1999

04 = 2000

05 = 2001

06 = 2002

07 = 2003

08 = 2004

09 = 2005

10 = 2006

11 = 2007

12 = 2008

1 Accepted Solution

Accepted Solutions

I agree, it would make more sense for it to be a definitive value.Looking back over our records (1998 to present) across different types and, presumably, suppliers of kit, they appear to hold true as fixed values.

Oct 02 2620 JMX06xxxxxx

Oct 04 2950 FOC08xxxxxx

Oct 06 ASA5510 JMX10xxxxxx

Hope this helps!

View solution in original post

7 Replies 7

rmcarthur
Level 1
Level 1

Hi david, I'm sure I used to have this information somewhere!

The closest I've come to finding it is this link.

http://www.cisco.com/en/US/products/hw/optical/ps2006/products_tech_note09186a0080094523.shtml#t2

You are correct apart from for the year of manufacture; your digits are correct, but it seems to define the number of years as a Cisco supplier, so presumably that could change dependent upon the supplier and the term of their relationship with Cisco, it's not very clear.

Hope this helps.

Thanks. It seems a bit odd that the number of years a company has been a Cisco supplier would be recorded versus the year the part was manufactured but maybe that's the way it was done just for those Cisco ONS 15454 line cards.

I agree, it would make more sense for it to be a definitive value.Looking back over our records (1998 to present) across different types and, presumably, suppliers of kit, they appear to hold true as fixed values.

Oct 02 2620 JMX06xxxxxx

Oct 04 2950 FOC08xxxxxx

Oct 06 ASA5510 JMX10xxxxxx

Hope this helps!

Thanks! This validates at least what I've checked against some of our own inventory.

Glad to help David, and thanks for the rating.

Good information David, thanks

ALETZ-DellEMC
Level 1
Level 1

I have some switches MDS, they start with AMS1635XXXX and AMS1650XXXX  is the same for them? What is the meaning of AMS?

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