Table 3-5
Slot assignment principles for the boards in the BBU3900 GL
Board
Optional/
Mandatory
Maximum
Number
Slot
Restriction
LMPT/UMPT
Mandatory
1
Slot 7
It is configured
only in slot 7.
The UMPT and
WMPT cannot
be configured
simultaneously.
GTMU
Mandatory
1
Slots 5 and 6
It is configured
only in slot 6
(with slots 5 and
6 occupied).
LBBP
Mandatory
5
Slots 0 to 4
A single LBBP
is preferentially
configured in
slot 3.
If more LBBPs
are required, the
LBBP is
installed, in
descending
order of priority,
in slot 3, 1, 2, 0,
or 4.
FAN
Mandatory
1
Slot 16
It is configured
only in slot 16.
UPEU
Mandatory
2
Slot 18 or 19
A single UPEU
is preferentially
configured in
slot 19.
UEIU
Optional
1
Slot 18
-
UTRP
Optional
2
Slot 0 or 4
It is
preferentially
configured in
slot 4.
The UTRP in
GSM mode
takes
precedence over
the UTRP in
LTE mode
during slot
assignment.
BTS3900C (Ver.C)
Hardware Description
3 BTS3900C Modules
Issue 03 (2013-05-27)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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