SDM-9000 Satelite Modem
Preface
Rev. 4
vii
A.2.1 Requirements ................................................................................................................................................... A–11
A.2.2 Baseband Physical Interfaces........................................................................................................................... A–12
A.2.2.1 ECL Physical Interface............................................................................................................................. A–12
A.2.2.2 PECL Physical Interface........................................................................................................................... A–13
A.2.3 DBS Baseband Interface .................................................................................................................................. A–14
A.2.3.1 DBS TX Baseband Interface .................................................................................................................... A–14
A.2.3.2 DBS RX Baseband Interface .................................................................................................................... A–14
A.2.4 Baseband Interface Requirements.................................................................................................................... A–15
A.2.4.1 Timing for Transmit Baseband Interface.................................................................................................. A–15
A.2.4.1.1 DBS Mode TX SYNC Pulse Timing ................................................................................................ A–16
A.2.4.2 Timing for Receive Baseband Interface ................................................................................................... A–16
A.2.4.2.1 DBS Mode Receive SYNC Pulse Timing ......................................................................................... A–17
A.2.5 SYNC Decoder (Correlater) ............................................................................................................................ A–18
A.2.5.1 DBS Mode SYNC Decoder for 204-Byte Packets ................................................................................... A–18
A.2.5.1.1 TX Functions of the DBS Mode SYNC Decoder ............................................................................. A–18
A.2.5.1.2 RX Functions of the DBS Mode SYNC Decoder ............................................................................. A–18
A.2.6 SYNC 1 Inversion and Scrambler/Descrambler .............................................................................................. A–19
A.2.6.1 DBS Mode (De)Scrambler for 204-Byte Packets..................................................................................... A–20
A.2.7 Reed-Solomon Coder/Decoder ........................................................................................................................ A–21
A.2.7.1 DBS Mode Check Byte Framing for 204-Byte Packets ........................................................................... A–22
A.2.8 Depth 12 Interleaver/De-interleaver ................................................................................................................ A–23
A.2.9 Inner Coder/Decoder........................................................................................................................................ A–25
A.2.9.1 Punctured Operation ................................................................................................................................. A–25
A.2.9.2 Signal Space Mapping .............................................................................................................................. A–27
A.2.10 Nyquist Filters................................................................................................................................................ A–28
A.2.11 DVB with Reed-Solomon BER (QPSK) ....................................................................................................... A–29
A.3 ESC 64 kbit/s Data Option ................................................................................................................................... A–31
APPENDIX B. REMOTE CONTROL OPERATION .......................................................... B–1
B.1 General ................................................................................................................................................................... B–1
B.2 Message Structure ................................................................................................................................................. B–2
B.2.1 Start Character ................................................................................................................................................. B–2
B.2.2 Device Address ................................................................................................................................................ B–2
B.2.3 Command/Responses ....................................................................................................................................... B–3
B.2.4 End Character................................................................................................................................................... B–3
B.3 Configuration Commands/Responses.................................................................................................................. B–4
B.3.1 Modulator......................................................................................................................................................... B–4
B.3.2 Demodulator .................................................................................................................................................... B–5
B.3.3 Interface ........................................................................................................................................................... B–6
B.3.4 System.............................................................................................................................................................. B–9
B.4 Status Commands/Responses ............................................................................................................................... B–10
B.4.1 Configuration ................................................................................................................................................... B–10
B.4.2 Error Performance............................................................................................................................................ B–15
B.5 Stored Faults .......................................................................................................................................................... B–19
GLOSSARY ...................................................................................................................... g-1
Summary of Contents for SDM-9000
Page 2: ......
Page 5: ...8 Mbit s w IDR Figure 1 7 16QAM BER Performance Curves with Reed Solomon Filename T_ERRATA 3...
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Page 27: ...SDM 9000 Satellite Modem Introduction Rev 4 1 5 Figure 1 3 SDM 9000 Block Diagram...
Page 42: ...Introduction SDM 9000 Satellite Modem 1 20 Rev 4 This page is intentionally left blank...
Page 64: ...Configuration SDM 9000 Satellite Modem 3 6 Rev 4 JP1 Figure 3 4 Interface PCB AS 3971...
Page 65: ...SDM 9000 Satellite Modem Configuration Rev 4 3 7 Figure 3 5 Interface PCB AS 4477...
Page 66: ...Configuration SDM 9000 Satellite Modem 3 8 Rev 4 JP1 JP6 JP7 Figure 3 6 Interface PCB AS 5618...
Page 70: ...Configuration SDM 9000 Satellite Modem 3 12 Rev 4 Figure 3 7 Nyquist Filter Installation...
Page 83: ...SDM 9000 Satellite Modem Operation Rev 4 4 9 This page is intentionally left blank...
Page 87: ...SDM 9000 Satellite Modem Operation Rev 4 4 13 This page is intentionally left blank...
Page 104: ...SDM 9000 Satellite Modem Operation Rev 4 4 31 This page is intentionally left blank...
Page 107: ...Operation SDM 9000 Satellite Modem 4 34 Rev 4 This page is intentionally left blank...
Page 124: ...SDM 9000 Satellite Modem Operation Rev 4 4 51 Figure 4 17 RF Loopback Figure 4 18 IF Loopback...
Page 150: ...Theory of Operation SDM 9000 Satellite Modem 5 22 Rev 4 Figure 5 6 Interface Block Diagram...
Page 158: ...Theory of Operation SDM 9000 Satellite Modem 5 30 Rev 4 This page is intentionally left blank...
Page 186: ...Maintenance SDM 9000 Satellite Modem 6 28 Rev 4 This page is intentionally left blank...
Page 218: ...Options SDM 9000 Satellite Modem A 32 Rev 4 This page is intentionally left blank...
Page 242: ...Remote Control Operation SDM 9000 Satellite Modem B 24 Rev 4 ref SE_ command...
Page 254: ...Glossary SDM 9000 Satellite Modem g 6 Rev 4 This page is intentionally left blank...
Page 256: ...2114 WEST 7TH STREET TEMPE ARIZONA 85281 USA 480 333 2200 PHONE 480 333 2161 FAX...
