Huawei AAU3902 Hardware Description page 23

AAU3902
Hardware Description
Figure 2-10 Positions and silkscreens of RCU serial numbers
Each RCU serial number has 19 characters. The following table describes the encoding scheme
of an RCU serial number and the meaning of each field in the RCU serial number.
Field
Unit code
Equipment
type
Reserved
field
Year
Month
Issue 06 (2014-07-30)
NOTE
Slots 1 and 3 share one RCU serial number.
Number
of
Character
s
2
7
2
1
1
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Description
Always set to HW
Always set to AAU3902
Randomly generated
It represents the year in which the product is produced. One
character is used to represent the last two digits of a year.
For example, characters 1 to 9 are used to represent the last two
digits of the years 2001 to 2009, respectively. The 26 letters from
A to Z are used to represent the years starting from 2010. The
letter A represents 2010 and the subsequent letters represent the
years following 2010.
It represents the month in which the product is produced.
Hexadecimal is adopted.
For example, characters 1 to 9 represent January to September,
respectively. A represents October, B represents November, and
C represents December.
2 AAU Introduction
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