Config, Tx) Modulation; Config, Tx) Code Rate - Comtech EF Data CDM-570 Installation And Operation Manual

CDM-570/570L Satellite Modem with Optional IP Module
Front Panel Operation
6.7.2

(CONFIG, TX) MODULATION

Modulation: BPSK QPSK
OQPSK 8-PSK 16-QAM 8-QAM
IMPORTANT NOTE: All possible choices are presented at all times. If an option is
not installed (either Hardware, or FAST) or valid, the
cursor to skip past the unavailable choice.
IMPORTANT
CASE
BPSK
QPSK
OQPSK
8-PSK
8-QAM
16-QAM
6.7.3

(CONFIG, TX) CODE RATE

Tx 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
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)
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
AND requires 8-PSK/8-QAM FAST option
Requires Viterbi+RS OR Turbo OR TPC/LDPC
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
6–11
◄ ►
arrow keys will force the
RULES
◄ ► arrow keys will force the
RULES
Revision 3
MN/CDM570L.IOM