Figure 2-10
Positions and silkscreens of RCU serial numbers
NOTE
Slots 1 and 3 share one RCU serial number.
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
Number
of
Character
s
Description
Unit code
2
Always set to HW
Equipment
type
7
Always set to AAU3902
Reserved
field
2
Randomly generated
Year
1
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.
Month
1
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.
AAU3902
Hardware Description
2 AAU Introduction
Issue 06 (2014-07-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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