beautypg.com

Comtech EF Data SDM-2020 User Manual

Page 14

background image

SDM-2020 Satellite Demodulator

Revision 4

Preface

MN/SDM2020D.IOM

iv

3.2.7 DC

Power (Optional)...........................................................................................................................3–8

3.2.8

Ground (GND) or Earth.......................................................................................................................3–8

3.3 Proper

Operations for Emissions (CE).....................................................................................................3–8


CHAPTER 4. FULLY ACCESSIBLE SYSTEM TOPOLOGY (FAST) ....................... 4–1

4.1 FAST

System Theory.............................................................................................................................4–1

CHAPTER 5. SPECIFICATION ................................................................................. 5–1

5.1 Specifications ..........................................................................................................................................5–1

5.2 Data

Rates...............................................................................................................................................5–5

5.3 BER

Performance ..................................................................................................................................5–6

5.4 Operational

Characteristics ................................................................................................................5–12

5.5 LEDs......................................................................................................................................................5–12

5.6 Faults.....................................................................................................................................................5–12

5.7 Keypad

and Display .............................................................................................................................5–13

5.8

Data, LED, Fault, and Alarm Conditions ..........................................................................................5–13

5.9 Fault Tree..............................................................................................................................................5–14

5.10 SDM-2020

Demodulator

Envelope .....................................................................................................5–15

CHAPTER 6. FRONT PANEL OPERATIONS........................................................... 6–1

6.1 Introduction ................................................................................................................................................6–1

6.1.1 Front

Panel...........................................................................................................................................6–2

6.1.2 LED

Indicators.....................................................................................................................................6–3

6.1.3 Front

Panel Keypad .............................................................................................................................6–4

6.1.4 Menu System .......................................................................................................................................6–5
6.1.5 Opening

Screen....................................................................................................................................6–7

6.1.5.1 Function

Select: Configuration ...................................................................................................6–7

6.1.5.2

Function Select: Configuration: Demodulator ............................................................................6–8

6.1.5.3

Function Select: Configuration: Interface .................................................................................6–16

6.1.5.4 Function

Select:

Configuration: Save .......................................................................................6–22

6.1.5.5 Function

Select:

Configuration: Recall .....................................................................................6–23

6.1.6 Function

Select: Monitor ...................................................................................................................6–23

6.1.7 Function

Select: Faults/Alarms..........................................................................................................6–29

6.1.8 Function

Select:

Stored FLTS/ALMS ...............................................................................................6–34

6.1.9 Function

Select: Utility......................................................................................................................6–37

6.1.9.1 Function

Select: Utility: Demodulator ......................................................................................6–37

6.1.9.2 Function

Select: Utility: Interface.............................................................................................6–38

6.1.9.3 Function

Select:

Utility: Interface; RS-422...............................................................................6–39

6.1.9.4 Function

Select:

Utility: Interface: LVDS ................................................................................6–40