Home > Modem > Modem Tx - Comtech EF Data CDM-425 Installation And Operation Manual

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
[RO] Tx FEC Type
[RO] Tx Mod Type
[RO] Tx FEC Code Rate
[RO] Tx Data Rate
E Tx Symbol Rate
F
Tx Frequency
G
Tx Spectrum Invert
H
Tx Scrambler
Telnet Command Line Interface (CLI) Operation
This read-only entry displays:
• VFEC • ULL
This read-only entry displays:
VFEC ULL
• BPSK • BPSK
• QPSK • QPSK
• 8-QAM (FAST option)
• 16-QAM (FAST option)
This read-only entry displays 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.
This read-only entry displays a value from 18 kbps to 25 Mbps
Data Rate applies only when not in ACM Mode
Enter a value from 18 to 25000 Ksps
Enter a value as follows:
70/140 MHz: 50 to 180 MHz
•
L-Band (FAST option): 950 to 2250 MHz
•
Use the ↑↓ arrow keys to select Normal or Inverted
Use the ↑↓ arrow keys to select Off, Normal, or IESS315
9–27
CDM-425 Advanced Satellite Modem
Option Entry
• VF2L
• VF2S
VF2L or VF2S
• BPSK
• QPSK
• 8-ARY (FAST option)
• 16-ARY (FAST option)
• 32-ARY (FAST option)
Revision 0
Mod
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MN-CDM-425