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Comtech EF Data DMDVR20 LBST Rev 1.1 User Manual

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Table of Contents

DMDVR20 LBST Satellite Modem

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TM136 – Rev. 1.1

6.2.1.2 Minor Alarms ________________________________________________________ 6-5

6.2.1.3 Common Equipment Faults _____________________________________________ 6-5

6.2.2 Latched Alarms ________________________________________________________ 6-5

Section 7 - Technical Specifications ..........................................................................7-1

7.0 Data Rates _____________________________________________________________ 7-1

7.1 Modulator ______________________________________________________________ 7-1

7.2 Demodulator____________________________________________________________ 7-2

7.3 Monitor and Control ______________________________________________________ 7-2

7.4 Terrestrial Interfaces _____________________________________________________ 7-3

7.5 IBS/Synchronous Interface (Standard)________________________________________ 7-3

7.6 Environmental __________________________________________________________ 7-3

7.7 Physical _______________________________________________________________ 7-3

7.8 DMDVR20 LBST Modulator Data Rate Limits __________________________________ 7-4

7.8.1 Closed Net Data Rate Limits ______________________________________________ 7-4

7.9 DMDVR20 LBST Demodulator Specifications __________________________________ 7-6

7.9 Data Rates (DSS-S2) _____________________________________________________ 7-6

7.10 BER Performance (LDPC) ________________________________________________ 7-7

Appendix A - Product Options................................................................................... A-1

A.0 Hardware Options _______________________________________________________ A-1

A.0.1 Internal High Stability ___________________________________________________ A-1

A.0.2 DC Input Prime Power __________________________________________________ A-1

A.0.3 Turbo Product Codec / Variable Reed-Solomon_______________________________ A-1

A.1 Customized Options______________________________________________________ A-1

Appendix B - Front Panel Upgrade Procedure......................................................... B-1

B.0 Introduction ____________________________________________________________ B-1

B.1 Required Equipment _____________________________________________________ B-1

B.2 Upgrade Procedure ______________________________________________________ B-1

B.3 Demonstration Procedure _________________________________________________ B-3

B.3.1 Running in Demonstration Mode __________________________________________ B-5

B.3.2 Canceling Demonstration Mode ___________________________________________ B-6

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