Config, Rx) Demodulation; Config, Rx) Code Rate - Comtech EF Data CDM-570L Installation And Operation Manual

CDM-570/570L Satellite Modem with Optional IP Module
Front Panel Operation
6.8.2

(CONFIG, RX) DEMODULATION

Demodulation: BPSK QPSK
OQPSK 8-PSK 8-QAM 16-QAM
IMPORTANT NOTE: All possible choices are presented at all times. If an option is
not installed (either Hardware, or FAST) or valid, the ◄ ► arrow keys will force the
cursor to skip past the unavailable choice.
IMPORTANT
BPSK
QPSK
OQPSK
8-PSK
8-QAM
16-QAM
6.8.3

(CONFIG, RX) CODE RATE

Rx Code Rate: 5/16 21/44
1/2 2/3 3/4 7/8 0.95 Unc
IMPORTANT NOTE: All possible choices are presented at all times. If an option is not
installed (either Hardware, or FAST) or valid, the ◄ ► arrow keys will force the cursor
to skip past the unavailable choice.
IMPORTANT
CASE
5/16
21/44
1/2
2/3
3/4
7/8
0.95
Unc (uncoded)
CASE
Valid for all FEC types except TCM+RS
Valid for all FEC types except TCM+RS
Valid for all FEC types except TCM+RS
Requires TCM+RS OR Turbo OR TPC/LDPC AND
requires 8-PSK/8-QAM FAST option
Requires Turbo OR TPC/LDPC codec
AND requires 8-PSK/8-QAM FAST option
Requires Viterbi+RS OR Turbo OR TPC/LDPC codec
AND requires 16-QAM FAST option
Requires BPSK AND Turbo
Requires BPSK or QPSK/OQPSK AND Turbo
Valid for BPSK, QPSK and OQPSK
Requires TCM AND 8-PSK AND RS codec installed OR
TPC/LDPC codec installed
Valid for QPSK, OQPSK, 8-PSK, 8-QAM and 16-QAM
Valid for QPSK, OQPSK, 8-PSK, 8-QAM and 16-QAM
Valid for QPSK, OQPSK, 8-PSK and 8-QAM
Valid only for 'Uncoded' in FEC choice
RULES
RULES
6–22
Revision 4
MN/CDM570L.IOM