Comtech EF Data cdm-570a - Page 371

CDM-570A/570AL Satellite Modem with Optional Packet Processor
Revision 5
Optional Packet Processor - Serial/Telnet CLI Operation 9–43 MN-CDM570A
Turbo FEC selections are displayed only if the optional Turbo card is installed.
Selection
Hot Key
Description
Tx Frequency
Q
Set the Tx frequency – valid ranges are:
• From 50 to 180 MHz for the CDM-570A (IF);
• From 950 to 1950 MHz for the CDM-570AL (L-Band).
Tx Data Rate
D
Set the rate at which the Modem will send traffic over the Satellite
Interface:
• Valid range is from 2.4 to 9980 kbps.
• Up to 5000 kbps and 9980 kbps are options that must be purchased.
Tx Symbol Rate
[RO]
Displays the corresponding Symbol Rate for the currently selected data
rate, encoder, rate, and modulation scheme.
Tx FEC
T
Select the Tx FEC type:
1 -- Uncoded
2 -- Viterbi
3 -- Vit+RS
4 -- TCM+RS
5 -- Turbo
6 – VersaFEC
7 -- ULL
8 -- VersaFEC-2 Long
9 -- VersaFEC-2 Short
Tx Code Rate
R
Select the Tx code rate:
1 – 5/16
2 – 21/44
3 – 1/2
4 – 2/3
5 – 3/4
6 – 7/8
7 – 0.95
8 – 1/1
9 – VersaFEC CCM BPSK 0.488
10 – VersaFEC CCM QPSK 0.533
11 – VersaFEC CCM QPSK 0.631
12 – VersaFEC CCM QPSK 0.706
13 – VersaFEC CCM QPSK 0.803
14 – VersaFEC CCM 8-QAM 0.576
15 – VersaFEC CCM 8-QAM 0.642
16 – VersaFEC CCM 8-QAM 0.711
17 – VersaFEC CCM 8-QAM 0.780
18 – VersaFEC CCM 16-QAM 0.644
19 – VersaFEC CCM 16-QAM 0.731
20 – VersaFEC CCM 16-QAM 0.780
21 – VersaFEC CCM 16-QAM 0.829
22 – VersaFEC CCM 16-QAM 0.853
23 – VersaFEC ULL BPSK 0.493
24 – VersaFEC ULL QPSK 0.493