ExtremeSwitching (EOS)

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  • 1.  Switch serial number - manufacture date

    Posted 11-30-2016 17:29

    I'm looking to retrieve the manufacture date on Extreme / Enterasys switches. Found this article https://extremeportal.force.com/ExtrArticleDetail?an=000089269 It states the first two digits are year and the 3rd/4th digits is week of manufacture along with an alpha (manufacturer) and five more digits after that.

    My serial numbers have 7 digits after the first 4 digits then an alpha like A, B, E, H, J, F. Am I to assume those 7 digits after the first 4 are unique designations? Is there a document which explains the alpha at the end? Example. My serial number is 12345678901A. Looking for more details on these serial numbers.



  • 2.  RE: Switch serial number - manufacture date

    Posted 11-30-2016 17:48
    Hello Mark,

    The article you are reading explains the S/N for the EXOS based devices. The S/N example you have provided looks like a EOS based device. At the moment I do not know the EOS S/N scheme.


  • 3.  RE: Switch serial number - manufacture date

    Posted 11-30-2016 17:48
    Good catch. These S/N are EOS switch devices. Will keep looking for a document. Thanks.


  • 4.  RE: Switch serial number - manufacture date

    Posted 11-30-2016 18:09
    Hello Mark,
    The first 4 are the year and week code. (YYWW) So in your example: 12345678901A, it would have been manufactured 2012 week 34. The last 2 digits are the revision of the board, from a manufacturing perspective. The other stuff in the SN doesn't really matter all that much. Just something for us to tell the different units apart.


  • 5.  RE: Switch serial number - manufacture date

    Posted 11-30-2016 18:09
    Chris. Appreciate the details. This helps us document the aging equipment. Cheers!