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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
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Table A-1 SN description
Callout No. |
Description |
|---|---|
1 |
SN ID (two characters), which is 21. |
2 |
Material identification code (8 characters), that is, the processing code. |
3 |
Vendor code (two characters). 10 indicates Huawei, and other values indicate outsourcing vendors. |
4 |
Year and month (two characters).
NOTE:
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.
|
5 |
Sequence number (six characters). |
6 |
RoHS compliance (one character). Y indicates RoHS compliant. |
7 |
Internal model, that is, product name. |