Huawei BBU3900 User Manual page 7

BBU3900 GSM
User Guide
Table 2-1 Board configuration principles of the BBU3900.................................................................................2-3
Table 2-2 Ports on the UEIU................................................................................................................................2-5
Table 2-3 LEDs on the GTMU.............................................................................................................................2-6
Table 2-4 Ports on the GTMU panel....................................................................................................................2-7
Table 2-5 Settings of S1.......................................................................................................................................2-8
Table 2-6 Settings of S2.......................................................................................................................................2-9
Table 2-7 Settings of S4.......................................................................................................................................2-9
Table 2-8 Settings of S5.......................................................................................................................................2-9
Table 2-9 Ports on the panel of the UELP..........................................................................................................2-10
Table 2-10 DIP switch on the UELP .................................................................................................................2-11
Table 2-11 LED on the UBFA...........................................................................................................................2-12
Table 2-12 LED on the UPEU............................................................................................................................2-14
Table 2-13 Ports on the UPEU...........................................................................................................................2-14
Table 2-14 Cable list...........................................................................................................................................2-15
Table 2-15 Pin assignment for wires of the -48 V power cable.........................................................................2-17
Table 2-16 Pin assignment for wires of the +24 V power cable........................................................................2-17
Table 2-17 Pin assignment for the wires of the 75-ohm E1 coaxial cable.........................................................2-18
Table 2-18 Pin assignment for the wires of the 120-ohm E1 twisted pair cable................................................2-19
Table 2-19 Pin assignment for the wires of the E1 surge protection transfer cable...........................................2-20
Table 2-20 Pin assignment for the wires of the monitoring signal cable between the APMI and the BBU......2-21
Table 2-21 Pin assignment for the fiber tails of the CPRI optical cable............................................................2-22
Table 2-22 Pin assignment for the wires of the alarm cable...............................................................................2-23
Table 2-23 Parameters for the ports on the DCDU-03B panel...........................................................................2-25
Table 3-1 Maintenance items associated with the BBU.......................................................................................3-2
Issue 04 (2008-09-05) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd
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