Hi,
I've recive this doc from our local Huawei support team.
It help me a lot to understand about new UBBP and 3910 BBU, may you also find it useful.
I've been told this is the latest version of doc. -Issue 05 (2016-08-01)
main topics:
Product configuration
BBU board configuration
Typical configuration and Capacity expansion
and....
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