The over view of BBU3900 and BBU3910 full configurations:
In all scenarios, a FAN, a UPEU, and a UEIU are configured in fixed slots in a BBU. The following table
describes the principles for configuring a FAN, a UPEU, and a UEIU.
A WBBP is a WCDMA baseband processing unit.
A WBBP processes uplink and downlink baseband signals.
A WBBP provides CPRI ports for communication with RF modules.
A WBBPd supports interference cancellation (IC) within the board.
When CPRI cables connect RF modules carrying corresponding cells to
a WBBPd, the WBBPd installed in slot 2 or 3 supports interference
cancellation (IC) of uplink data.
A WBBPf installed in slot 2 or 3 supports baseband interconnection
between BBUs.
The following figures show WBBP panels.
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