A Appendix
A.1 Product SN
The serial number (SN) on the slide-out label plate uniquely identies a device.
The SN is required when you contact Huawei technical support.
Figure A-1 SN example
Table A-1 SN description
Callout No.
Description
1 SN ID (two characters), which is 21.
2 Material identication code (8 characters), that is, the
processing code.
3 Vendor code (two characters). 10 indicates Huawei, and other
values indicate outsourcing vendors.
FusionServer Pro XH321 V5 Server Node
Maintenance and Service Guide A Appendix
Issue 17 (2021-03-09) Copyright © Huawei Technologies Co., Ltd. 156
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