Huawei BBU3900 - Page 16

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Table 4-3 Pin assignment for the wires of the +24 V power cable......................................................................4-7

Table 4-4 Connectors of the 75-ohm E1 coaxial cable.........................................................................................4-8

Table 4-5 Pin assignment for the wires of the 75-ohm E1 coaxial cable.............................................................4-9

Table 4-6 Pin assignment for the wires of the 120-ohm E1 twisted pair cable..................................................4-10

Table 4-7 Pin assignment for the wires of the E1/T1 surge protection transfer cable........................................4-11

Table 4-8 Pin assignment for the wires of the FE/GE cable.............................................................................. 4-12

Table 4-9 Pin assignment for the wires of the FE/GE surge protection transfer cable...................................... 4-13

Table 4-10 Labels and recommended connections for the branch cables of the multi-mode optical cable between

the BBU and RRU...............................................................................................................................................4-17

Table 4-11 Labels and recommended connections for the branch cables of the multi-mode optical cable between

RRUs...................................................................................................................................................................4-17

Table 4-12 Labels and recommended connections for the branch cables of the single-mode optical cable and

recommended connections..................................................................................................................................4-17

Table 4-13 Pin assignment for the wires of the monitoring signal cable between the APMI and the BBU......4-18

Table 4-14 Connections of the monitoring signal cable for the transmission cabinet........................................4-19

Table 4-15 Pin assignment for the wires of the monitoring signal cable between the HEUA and the BBU

.............................................................................................................................................................................4-20

Table 4-16 Pin assignment for the wires of the EMUA monitoring signal cable.............................................. 4-21

Table 4-17 Pin assignment for the wires of the monitoring signal cable between the CMUA and the BBU

.............................................................................................................................................................................4-22

Table 4-18 Pin assignment for the wires of the BBU alarm cable.....................................................................4-23

Table 5-1 Specifications for the 10 U indoor centralized rack.............................................................................5-4

Table 5-2 Dimensions of the OMB cabinet..........................................................................................................5-5

Table 5-3 Specifications of the IMB03................................................................................................................5-8

Table 5-4 DC power distribution functions of the DCDU-03..............................................................................5-9

Table 5-5 Ports on the panel of the DCDU-03...................................................................................................5-11

Table 5-6 Panel of the AC/DC power equipment...............................................................................................5-12

Table 5-7 LEDs on the panel of the rectifier......................................................................................................5-12

Table 5-8 LEDs on the panel of the monitoring module....................................................................................5-13

Table 5-9 Settings of the DIP switches on the PMU..........................................................................................5-14

Table 5-10 Indicators on the front panel of the WGRU.....................................................................................5-17

Table 5-11 Ports on the front panel of the WGRU.............................................................................................5-18

Table 5-12 Ports on the rear panel of the WGRU.............................................................................................. 5-18

Table 5-13 Configuration principles of the SLPU (1)........................................................................................5-20

Table 5-14 Configuration principles of the SLPU (2)........................................................................................5-20

Table 5-15 Ports of the UELP............................................................................................................................ 5-21

Table 5-16 DIP switch on the UELP..................................................................................................................5-22

Table 5-17 Ports on the panel of the UFLP........................................................................................................5-22

Table 5-18 Ports on the panel of the USLP2......................................................................................................5-23

Table 5-19 Mapping relationship between the pins in the input and output ports on the USLP2......................5-24

Tables

BBU3900

Hardware Description

xiv Huawei Proprietary and Confidential

Issue 11 (2010-11-10)