CDM-425 Advanced Satellite Modem
Revision 0
Introduction
1–21
MN-CDM-425
VersaFEC CODEC BER
BPSK
(With two adjacent
carriers, each 7 dB
higher than the desired
carrier)
BER=10
-5
BER=10
-8
Rate 0.488
2.4 dB (2.1 dB)
2.7 dB (2.4 dB)
VersaFEC CODEC BER
QPSK
(With two adjacent
carriers, each 7 dB
higher than the desired
carrier)
For BER=10
-X
Rate – Guaranteed Eb/No (typical value in parentheses)
BER=10
-5
BER=10
-8
Rate 0.533 QPSK
2.3 dB (2.0 dB)
2.5 dB (2.2 dB)
Rate 0.631 QPSK
2.8 dB (2.5 dB)
3.0 dB (2.7 dB)
Rate 0.706 QPSK
3.3 dB (3.0 dB)
3.7 dB (3.4 dB)
Rate 0.803 QPSK
3.8 dB (3.5 dB)
4.1 dB (3.8 dB)
VersaFEC CODEC BER
8-QAM
(With two adjacent
carriers, each 7 dB
higher than the desired
carrier)
BER=10
-5
BER=10
-8
Rate 0.642 8-QAM
4.6 dB (4.3 dB)
4.9 dB (4.6 dB)
Rate 0.711 8-QAM
5.2 dB (4.9 dB)
5.5 dB (5.2 dB)
Rate 0.780 8-QAM
5.6 dB (5.3 dB)
6.0 dB (5.7 dB)
VersaFEC CODEC BER
16-QAM
(With two adjacent
carriers, each 7 dB
higher than the desired
carrier)
BER=10
-5
BER=10
-8
Rate 0.731 16-
QAM
6.6 dB (6.3 dB)
6.8 dB (6.5 dB)
Rate 0.780 16-
QAM
7.1 dB (6.8 dB)
7.4 dB (7.1 dB)
Rate 0.829 16-
QAM
7.7 dB (7.4 dB)
8.0 dB (7.7 dB)
Rate 0.853 16-
QAM
8.1 dB (7.8 dB)
8.4 dB (8.1 dB)
VersaFEC CODEC –
Extended CCM (ECCM)
BER
(With two adjacent
carriers, each 7 dB
higher than the desired
carrier)
BER=10
-5
BER=10
-8
Rate 0.576 8-QAM
4.5 dB (4.2 dB)
4.9 dB (4.6 dB)
Rate 0.644 16-
QAM
6.4 dB (6.1 dB)
6.9 dB (6.6 dB)
VersaFEC-2 Long Block
CODEC BER
BPSK
(With two adjacent
carriers, each 7 dB
higher than the desired
carrier)
BER=10
-4
BER=10
-8
Rate 0.489 BPSK
1.8 dB (1.5 dB)
2.1 dB (1.8 dB)
Summary of Contents for CDM-425
Page 30: ...CDM 425 Advanced Satellite Modem Revision Preface xxviii MN CDM 425 Notes...
Page 72: ...CDM 425 Advanced Satellite Modem Revision 0 Installation 2 8 MN CDM 425 BLANK PAGE...
Page 118: ...CDM 425 Advanced Satellite Modem Revision 0 FAST Activation Procedure 5 6 MN CDM 425 Notes...
Page 390: ...CDM 425 Advanced Satellite Modem Revision 0 Serial Remote Control 8 66 MN CDM 425 BLANK PAGE...
Page 574: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix B B 12 MN CDM 425 BLANK PAGE...
Page 600: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix E E 16 MN CDM 425 BLANK PAGE...
Page 602: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix E E 18 MN CDM 425 BLANK PAGE...
Page 638: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix F F 36 MN CDM 425 BLANK PAGE...
Page 642: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix G G 4 MN CDM 425 BLANK PAGE...
Page 684: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix K K 4 MN CDM 425 BLANK PAGE...
Page 686: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix K K 6 MN CDM 425 BLANK PAGE...
Page 710: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix K K 30 MN CDM 425 BLANK PAGE...
Page 728: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix M M 16 MN CDM 425 Notes...
Page 742: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix P P 6 MN CDM 425 Notes...
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Page 744: ...2114 WEST 7TH STREET TEMPE ARIZONA 85281 USA 480 333 2200 PHONE 480 333 2161 FAX...