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Figures
Figure 3-16 ECDU (type C) rear panel ............................................................................................................3-22
Figure 3-17 EDU structure ...............................................................................................................................3-23
Figure 3-18 EDU front panel............................................................................................................................3-25
Figure 3-19 EDU (type A) rear panel ...............................................................................................................3-27
Figure 3-20 EDU (type B) rear panel ...............................................................................................................3-28
Figure 3-21 ESCU panel ..................................................................................................................................3-29
Figure 3-22 FMU layout...................................................................................................................................3-30
Figure 3-23 MDU functional structure.............................................................................................................3-32
Figure 3-24 MDU panel ...................................................................................................................................3-33
Figure 3-25 O2TCB layout...............................................................................................................................3-35
Figure 3-26 PBU functional structure ..............................................................................................................3-38
Figure 3-27 PBU panel.....................................................................................................................................3-40
Figure 3-28 PMU panel....................................................................................................................................3-42
Figure 3-29 PSU panel .....................................................................................................................................3-44
Figure 3-30 PWB layout of the BTS30 ............................................................................................................3-45
Figure 3-31 PWB layout of the BTS312 and the BTS3012A...........................................................................3-45
Figure 3-32 PWB layout of the BTS3006A .....................................................................................................3-46
Figure 3-33 SCU functional structure ..............................................................................................................3-47
Figure 3-34 SCU panel.....................................................................................................................................3-48
Figure 3-35 TCU panel.....................................................................................................................................3-49
Figure 3-36 TCU layout ...................................................................................................................................3-50
Figure 3-37 TDU layout ...................................................................................................................................3-52
Figure 3-38 TES functional structure ...............................................................................................................3-56
Figure 3-39 TES panel......................................................................................................................................3-57
Figure 3-40 ASU panel.....................................................................................................................................3-59
Figure 3-41 ASU layout ...................................................................................................................................3-61
Figure 3-42 DIP switch that is used to set IP addresses....................................................................................3-63
Figure 3-43 PAT panel......................................................................................................................................3-65
Figure 3-44 PAT layout.....................................................................................................................................3-67
Figure 3-45 TMU functional structure .............................................................................................................3-69
Figure 3-46 Time sequence of clock signals ....................................................................................................3-70
Figure 3-47 TMU panel....................................................................................................................................3-71
Figure 3-48 TMU layout ..................................................................................................................................3-73
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M900/M1800 BTS3X Series Base Transceiver Station
Huawei Technologies Proprietary
Hardware Description Manual
Issue 01(2006-11-18)
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