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FusionServer Pro XH321 V5 Server Node V100R005 Maintenance and Service Guide 07

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Product SN

Product SN

The serial number (SN) on the slide-out label plate uniquely identifies a device. The SN is required when you contact Huawei technical support.

Figure A-1 SN example
Table A-1 SN description

Callout No.



SN ID (two characters), which is 21.


Material identification code (8 characters), that is, the processing code.


Vendor code (two characters). 10 indicates Huawei, and other values indicate outsourcing vendors.


Year and month (two characters).

  • The first character indicates the year.
    • Digits 1 to 9 indicate years 2001 to 2009, respectively.
    • Letters A to H indicate years 2010 to 2017, respectively.
    • Letters J to N indicate years 2018 to 2022, respectively.
    • Letters P to Y indicate years 2023 to 2032, respectively.

    The years from 2010 are represented by uppercase letters excluding I, O, and Z because the three letters are similar to digits 1, 0, and 2.

  • The second character indicates the month.
    • Digits 1 to 9 indicate January to September, respectively.
    • Letters A to C indicate October to December, respectively.


Sequence number (six characters).


RoHS compliance (one character). Y indicates RoHS compliant.


Internal model, that is, product name.

Updated: 2019-12-25

Document ID: EDOC1000183891

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