AMT-70/AMT-73/AMT-75 Installation and Operation
CHAPTER 12 APPENDIX A SYSTEM
CONSIDERATIONS
A.1 Typical AMT-70L/AMT-73L Interconnections
Following are some useful tips on setting up an earth station using the AMT-70L/AMT-73L modem.
Figure 67: Typical AMT-70 cabling installation
Figure 68: Installation using 70 MHz Inputs
132
BUC
LNB
(ODU)
OUTDOOR
Antenna
AMT-70
Data Port
RS-530
INDOOR
Rx 950-2150 MHz
Tx 950-2000 MHz
Secondary M&C Interface RS-485
Complete ODU Interface
M&C Interface
L-band Demodulator
L-band Modulator
(IDU)
MT-70
Rx 52 - 88 MHz
INDOOR
Multiple M&C Interface
RS-232/RS-485
10/100 Base-T
(4) Data Ports
RS-530
Pwr
Div
1,2
3,4
C, X or Ku Band
Down Converter
From Antenna (LNA)
C, X or Ku Band
Down Converter
From Antenna (LNA)
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General