Board
Optional/
Mandatory
Maximum
Number
Slot
Restriction
USCU
Optional
1
Slot 0, 1, 4, or 5
A single USCU
is preferentially
configured in
slot 5. A USCU
that occupies 1
U space is
configured in
slot 5 (with both
slots 5 and 4
occupied).
If slots 4 and 5
are occupied, a
USCU is
preferentially
configured in
slot 1, or a
USCU that uses
a dual-satellite
card is
configured in
slot 1, with both
slots 1 and 0
occupied.
shows the typical configurations of the BBU3900 LTE.
Figure 3-7
Typical configuration of the BBU3900 LTE
BBU3900 GU
describes the slot assignment principles for the boards in the BBU3900 GU.
BTS3900C (Ver.C)
Hardware Description
3 BTS3900C Modules
Issue 03 (2013-05-27)
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