Comtech EF Data CDM-625 - E.3.3.3 Home > Modem > Modem RX

CDM-625 Advanced Satellite Modem Revision 13
Appendix E MN-CDM625
E–26
E.3.3.3 Home > Modem > Modem RX
Open the Modem RX page from the Modem submenu. This page contains the following options:
Hot
Key
Dialog Window Option Entry
A
Rx FEC Type
Use the ↑↓ arrow keys to select
•
None Diff Enc On
•
Viterbi
•
Viterbi Reed-Solomon
• Sequential
• Sequential Reed-Solomon
• TCM
•
TCM Reed-Solomon
•
TPC
•
None Diff Enc Off
• LDPC
• VersaFEC
• ULL
B Rx Mod Type
Use the ↑↓ arrow keys to select:
•
BPSK
•
QPSK
•
OQPSK
• 8PSK • 16QAM • 8QAM
C Rx FEC Code Rate
Use the ↑↓ arrow keys to select:
• Rate 1/2 • Rate 3/4 • Rate 7/8
• Rate 2/3 • Rate 1/1 • Rate 21/44
• Rate 5/16 • Rate 0.95 • VersaFEC BPSK 0.488
• VersaFEC QPSK 0.533 • VersaFEC QPSK 0.631 • VersaFEC QPSK 0.706
• VersaFEC QPSK 0.803 • VersaFEC 8QAM 0.642 • VersaFEC 8QAM 0.711
• VersaFEC 8QAM 0.780 • VersaFEC 16QAM 0.731 • VersaFEC 16QAM 0.780
• VersaFEC 16QAM 0.829 • VersaFEC 16QAM 0.853 • VersaFEC 8QAM 0.576
• VersaFEC 16QAM 0.644
•
VersaFEC ULL BPSK
0.493
•
VersaFEC ULL QPSK
0.493
• VersaFEC ULL QPSK 0.654 • VersaFEC ULL QPSK 0.734