Comtech EF Data SDR-54A User Manual
Page 6
SDR-54A Satellite Demodulator
Revision 4
Preface
MN/SDR54A.IOM
CHAPTER 4. OPERATION........................................................................................ 4–1
4.1 Front
Panel..................................................................................................................................................4–1
4.1.1 Indicators .............................................................................................................................................4–2
4.1.2 LNB
Power ..........................................................................................................................................4–2
4.2 Configuration Setup ...................................................................................................................................4–2
4.3 Cooling
Fan.................................................................................................................................................4–3
CHAPTER 5. DEMUX OPTION ................................................................................. 5–1
5.1 DEMUX
Overview .....................................................................................................................................5–1
5.2 DEMUX 2/4-Channel (Option) .................................................................................................................5–2
5.2.1 Description...........................................................................................................................................5–2
5.2.2 Installation ...........................................................................................................................................5–3
5.2.3 DEMUX
2/4-Channel Specification....................................................................................................5–5
5.2.4
Tributary Data Interface Connector RS-422 (J4) ................................................................................5–5
5.3 DEMUX 8-Channel (Option).....................................................................................................................5–7
5.3.1 Description...........................................................................................................................................5–7
5.3.2 Installation ...........................................................................................................................................5–8
5.3.3
DEMUX 8-Channel Specification .....................................................................................................5–10
5.3.4
Tributary Data Interface Connector RS-422 (J5 and J6) ...................................................................5–11
CHAPTER 6. REED-SOLOMON ............................................................................... 6–1
6.1 Introduction ................................................................................................................................................6–1
6.2 Descrambler ................................................................................................................................................6–2
6.3 Deinterleaver...............................................................................................................................................6–3
6.4 Reed-Solomon
Codec .................................................................................................................................6–4
6.5 Reed-Solomon
Installation.........................................................................................................................6–4
6.6 Functionality ...............................................................................................................................................6–6
6.6.1 Correlator.............................................................................................................................................6–6
6.6.2 Error
Detection ....................................................................................................................................6–6
6.7 BER Performance.......................................................................................................................................6–7
6.7.1 Specification ........................................................................................................................................6–8
6.7.2 Interface
Connector .............................................................................................................................6–9
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