Comtech EF Data CDM-625A - Manual (Page 402)

CDM-625A Advanced Satellite Modem MN-CDM625A
Telnet Command Line Interface (CLI) Operation Revision 3
9–24
9.3.3.2 Home > Modem > Modem TX
Open the Modem TX page from the Modem submenu. This page contains the following options:
Hot
Key Dialog Window
Option Entry
A
Tx 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
• VersaFEC-2 Long Block • VersaFEC-2 Short Block
B Tx Mod Type
Use the ↑↓ arrow keys to select:
• BPSK • QPSK • OQPSK
• 8PSK • 16QAM • 8QAM
• 8-ARY (VFEC-2) • 16-ARY (VFEC-2) • 32-ARY (VFEC-2)
C Tx FEC Code Rate
Use the ↑↓ arrow keys to select the Tx FEC Code Rate.
See the table provided in Sect. 6.2.1.3.5 CONFIG: Tx

Mod
(Chapter 6. FRONT PANEL OPERATION) for the list of available
FEC Rate Choices.
D Tx Data Rate Enter a value from 18.000 to 25000.000 Kbps
E Tx Symbol Rate Enter a value from 18.000 to 25000.000 Ksps
F Tx Frequency
Enter a value as follows:
• Range 1 – From 50.0000 to 180.0000 MHz
• Range 2 – From 950.0000 to 2250.0000 MHz
G Tx Spectrum Invert Use the ↑↓ arrow keys to select Normal or Inverted
H Tx Scrambler Use the ↑↓ arrow keys to select Off, Normal, or IESS315