EXPRESS DAS
Installation and Operations Manual
iv
EXPRESS DAS Installation and Operations Manual – Version 2.2 November 2013
12.7.3
MRU Alarm Troubleshooting ...................................................................................... 117
12.7.4
OEU Alarm Troubleshooting ....................................................................................... 118
13
Appendix – Additional Functions ........................................................................ 119
13.1
Shutdown Function (Tx Output Shutdown) .............................................................................. 119
13.2
Total Power Limit Function (Tx Output ALC) ........................................................................... 119
13.3
Automatic Output Power Setting Function (Tx Output AGC) ................................................... 120
13.4
Input Power AGC Function (Tx Input AGC) ............................................................................. 120
13.5
Input Power Limit Function (Tx Input ALC) .............................................................................. 121
13.6
Optic Loss Compensation ....................................................................................................... 121
14
Appendix – EXPRESS Part Numbers .................................................................. 122
15
Appendix – Glossary of Terms ............................................................................ 125
List of Illustrations
Figure 2.1 – EXPRESS Distributed Antenna System (DAS) Topology ....................................................... 5
Figure 2.2 – EXPRESS DAS – SISO Configuration .................................................................................... 6
Figure 2.3 – EXPRESS DAS – MIMO Configuration ................................................................................... 7
Figure 2.4 – EXPRESS DAS – VHF/UHF Configuration ............................................................................. 7
Figure 3.1 – BIU Block Diagram ................................................................................................................ 13
Figure 3.2 – BIU Dimensions ..................................................................................................................... 14
Figure 3.3 – BIU Components ................................................................................................................... 16
Figure 3.4 – MDBU at a glance ................................................................................................................. 18
Figure 3.5 – MCDU at a Glance ................................................................................................................ 20
Figure 3.6 – MCPU at a Glance ................................................................................................................. 21
Figure 3.7 – MPSU at a Glance ................................................................................................................. 22
Figure 3.8 – BIU Front Panel ..................................................................................................................... 23
Figure 3
.
9 – BIU Rear Panel ...................................................................................................................... 24
Figure 3
.
10 – DC Power Supply Front View .............................................................................................. 25
Figure 4
.
1 – ODU Block Diagram .............................................................................................................. 26
Figure 4.2 – ODU Dimensions ................................................................................................................... 27
Figure 4.3 – DOU at a Glance ................................................................................................................... 30
Figure 4
.
4 – ODU Front Panel ................................................................................................................... 32
Figure 4
.
5 – ODU Rear Panel .................................................................................................................... 32
Figure 5
.
1 – MRU/ARU Block Diagram ...................................................................................................... 33
Figure 5
.
2 – MRU/ARU Dimensions .......................................................................................................... 34
Figure 5
.
3 – MRU 850C+1900P Internal View ........................................................................................... 39
Figure 5
.
4 – MRU / ARU Top Connectors ................................................................................................. 42
Figure 5
.
5 – MRU / ARU Bottom Connectors ............................................................................................ 43
Figure 5
.
6 – MRU / ARU Power Connectors ............................................................................................. 44
Figure 5.7 – VHF/UHF AOR at a Glance ................................................................................................... 45
Figure 5.8 – VHF/UHF AOR Internal View ................................................................................................ 47
Figure 5.9 – VHF/UHF AOR Rear View Connectors ................................................................................. 48
Figure 5.10 – AOR Power Port .................................................................................................................. 49
Figure 5.11 – AOR External Port ............................................................................................................... 49
Figure 6
.
1 – OEU Block Diagram ............................................................................................................... 50
Figure 6
.
2 – OEU Dimensions ................................................................................................................... 51
Содержание EXPRESS Single-Carrier DAS
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