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E.3.3.3 home > modem > modem rx – Comtech EF Data CDM-625 User Manual

Page 554

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CDM-625 Advanced Satellite Modem

Revision 15

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