Comtech EF Data CDM-570AL - Page 278

CDM-570A/570AL Satellite Modem with Optional Packet Processor
Revision 5
Serial-based Remote Product Management 8–12 MN-CDM570A
Parameter
Type
Command
(Instruction
Code and
Qualifier)
Arguments for
Command or
Response to
Query
Description of Arguments
Response to
Command
Query
(Instruction Code
and Qualifier)
Response to
Query
Tx FEC Code
Rate
TCR=
1 byte,
value of 0 thru 7,
A toR,
V to }
Command or Query. (Query only in ACM)
Sets or returns Tx Code Rate in the form x, where:
0 = Rate 5/16 (Turbo Only)
1 = Rate 21/44 (Turbo Only)
2 = Rate 1/2
3 = Rate 2/3 (8-PSK TCM or 8-QAM only)
4 = Rate 3/4
5 = Rate 7/8
6 = Rate 0.95 (Turbo Only)
7 = Rate 1/1 (Uncoded or No FEC)
8 = Reserved
9 = Reserved
(The remaining entries are valid only in CDM-570A Compatible Mode (CMO=1)):
A = VersaFEC CCM – BPSK Rate 0.488
B = VersaFEC CCM – QPSK Rate 0.533
C = VersaFEC CCM – QPSK Rate 0.631
D = VersaFEC CCM – QPSK Rate 0.706
E = VersaFEC CCM – QPSK Rate 0.0803
F = VersaFEC CCM – 8-QAM Rate 0.576
G = VersaFEC CCM – 8-QAM Rate 0.642
H = VersaFEC CCM – 8-QAM Rate 0.711
I = VersaFEC CCM – 8-QAM Rate 0.780
J = VersaFEC CCM – 16-QAM Rate 0.644
K = VersaFEC CCM – 16-QAM Rate 0.731
L = VersaFEC CCM – 16-QAM Rate 0.780
M = VersaFEC CCM – 16-QAM Rate 0.829
N = VersaFEC CCM –16-QAM Rate 0.853
O = VersaFEC CCM ULL– BPSK Rate 0.493
P = VersaFEC CCM ULL– QPSK Rate 0.493
Q = VersaFEC CCM ULL– QPSK Rate 0.654
R = VersaFEC CCM ULL– QPSK Rate 0.734
S = Reserved
T = Reserved
U = Reserved
V = VersaFEC-2 ModCod 0 – BPSK 0.489
W = VersaFEC-2 ModCod 1 – QPSK 0.489
X = VersaFEC-2 ModCod 2 – QPSK 0.537
TCR=
TCR?
TRC*
TRC#
TRC+
TCR?
TCR=x
(see Description
of Arguments)