Advantech AMT-73 User Manual

AMT-70/AMT-73/AMT-75 Installation and Operation
Chapter 1 INTRODUCTION......................................................................................29
1.1 The AMT-7X Family..................................................................................................................29
1.2 Product Overview ....................................................................................................................30
1.2.1 AMT-70 Description .............................................................................................................30
1.2.2 AMT-73L Description ...........................................................................................................31
1.3 Ordering the Products Options..............................................................................................32
Chapter 2 INSTALLATION.......................................................................................37
2.1 Introduction..............................................................................................................................37
2.2 Unpacking and Inspection......................................................................................................37
2.2.1 Unpacking ............................................................................................................................37
2.2.2 Inventory...............................................................................................................................37
2.2.3 Site Considerations ..............................................................................................................37
2.2.4 Installing the unit ..................................................................................................................37
2.3 Power Requirements...............................................................................................................38
2.3.1 AC Power & Fuse.................................................................................................................38
2.3.2 DC Power & Fuse.................................................................................................................38
2.4 Modem Rack/Shelf Support....................................................................................................38
2.5 Data Connections (AMT-70 Series)........................................................................................39
2.5.1 Data Port RS-530.................................................................................................................40
2.5.2 Data Port HSSI.....................................................................................................................40
2.5.3 Data Port Ethernet................................................................................................................40
2.5.4 Monitor and Control RS-232 ................................................................................................40
2.5.5 Monitor and Control RS-485 ................................................................................................40
2.5.6 Monitor and Control 10/100BaseT Ethernet ........................................................................40
2.5.7 Monitor and Control Alarms .................................................................................................40
2.5.8 Redundancy .........................................................................................................................40
2.6 Data Connections (AMT-73L Series) .....................................................................................40
2.6.1 Data Port EIA/TIA-449/MIL-STD-188-114 ...........................................................................40
2.6.2 External Clock Reference (MIL-STD-188-115)....................................................................41
2.7 RF/IF Interfaces........................................................................................................................41
2.7.1 Modulator L-Band Output (AMT-70L) ..................................................................................41
2.7.2 Modulator L Band Output (AMT-73L)...................................................................................41
2.7.3 Demodulator L Band Input (AMT-70L and 75).....................................................................41
2.7.4 Demodulator L-Band Input (AMT-73L).................................................................................42
2.7.5 Demodulator 70/140 MHz IF Input (AMT-70 and AMT-75)..................................................42
2.8 Bringing the Modulator Online...............................................................................................42
Chapter 3 OPERATIONAL FEATURES...................................................................43
3.1 M&C Interface Descriptions....................................................................................................43
3.2 Acquisition, FEC, Modulation, and Eb/No.............................................................................44
3.2.1 Demodulator Acquisition Tips ..............................................................................................44
3.2.2 Choice of FEC......................................................................................................................45
3.2.3 Link Budget Analysis and Eb/No (Viterbi and Viterbi R/S)...................................................46
3.3 Modem Applications and Typical Operating Scenarios......................................................47
3.3.1 DVB (MPEG-2) Modulator....................................................................................................47
3.3.2 Data Broadcast Modulator ...................................................................................................48
3.3.3 SCPC Modem ......................................................................................................................48
3.3.4 Bandwidth-On-Demand Modem ..........................................................................................48
3.3.5 Broadcast Mode ...................................................................................................................48
6
3.4 Default, Memory Store and Recall Modes.............................................................................48

Advantech AMT-73 Specifications

General

Brand	Advantech
Model	AMT-73
Category	Modem
Language	English