Board Optional/
Mandatory
Maximum
Number
Slot Restriction
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
UMTS mode
during slot
assignment.
USCU
Optional 1 Slot 0, 1, or 4 It is
preferentially
configured in
slot 4.
UBRI Optional 1 Slot 2 -
Figure 3-8 shows the typical configurations of the BBU3900 GU.
Figure 3-8 Typical configuration of the BBU3900 GU
BBU3900 GL
Table 3-5 describes the slot assignment principles for the boards in the BBU3900 GL.
BTS3900C (Ver.C)
Hardware Description 3 BTS3900C Modules
Issue 03 (2013-05-27) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
24