Home > Modem > Modem Tx - Comtech EF Data CDM-625A Installation And Operation Manual

CDM-625A Advanced Satellite Modem
Telnet Command Line Interface (CLI) Operation
9.3.3.2 Home > Modem > Modem TX
Open the Modem TX page from the Modem submenu. This page contains the following options:
Hot
Dialog Window
Key
Tx FEC Type
A
B
Tx Mod Type
C Tx FEC Code Rate
D Tx Data Rate
E Tx Symbol Rate
F Tx Frequency
G Tx Spectrum Invert
H Tx Scrambler
Option Entry
Use the ↑↓ arrow keys to select:
• None Diff Enc On • Viterbi
• Sequential • Sequential Reed-Solomon • TCM
• TCM Reed-Solomon • TPC
• LDPC • VersaFEC
• VersaFEC-2 Long Block • VersaFEC-2 Short Block
Use the ↑↓ arrow keys to select:
• BPSK • QPSK
• 8PSK • 16QAM
• 8-ARY (VFEC-2) • 16-ARY (VFEC-2)
Use the ↑↓ arrow keys to select the Tx FEC Code Rate.
See the table provided in Sect. 6.2.1.3.5 CONFIG: Tx
(Chapter 6. FRONT PANEL OPERATION) for the list of available
FEC Rate Choices.
Enter a value from 18.000 to 25000.000 Kbps
Enter a value from 18.000 to 25000.000 Ksps
Enter a value as follows:
Range 1 – From 50.0000 to 180.0000 MHz
•
Range 2 – From 950.0000 to 2250.0000 MHz
•
Use the ↑↓ arrow keys to select Normal or Inverted
Use the ↑↓ arrow keys to select Off, Normal, or IESS315
9–24
MN-CDM625A
Revision 4
• Viterbi Reed-Solomon
• None Diff Enc Off
• ULL
• OQPSK
• 8QAM
• 32-ARY (VFEC-2)
Mod
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