Board
Optional/
Mandatory
Maximum
Quantity
Slot
Remarks
UPEU
Mandatory
2
Slot 18 or slot 19 Configured only
in slot 19 in the
case of a single
UPEU
UEIU
Optional
1
Slot 18
-
UTRP
Optional
2
Slot 0, slot 1, or
slot 4
Configured in a
slot, with slot
priority of slot 4,
slot 0, and slot 1
The slot priority
of the GO UTRP
is higher than
that of the LO
UTRP
USCU
Optional
1
Slot 0 or slot 1
Preferentially
configured in
slot 1
Configured in
slot 1 in the case
of 1 U dual-
satellite-card (in
this case, slot 0
is also occupied)
UBRI
Optional
1
Slot 2
For
V100R003C01,
the UBRI can be
installed in slot
1 or 2, and it is
preferrentially
installed in slot
2.
shows the typical configurations of the BBU3900 in GL mode.
Figure 3-9
Typical configuration of the BBU3900 in GL mode
3 BTS3900 Hardware Configuration
BTS3900
Hardware Description
3-12
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Issue 04 (2011-02-15)