Comtech EF Data CDM-740, Installation And Operation Manual

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CDM-740 Advanced Satellite Modem Revision 0
Ethernet Management MN-CDM740
6–16
6.5.4.4 DEMOD (Demodulator) | Tuner-1 Page
Figure 6-9. DEMOD | Tuner-1 page
The ‘ DEMOD | Tuner-1’ page ( Figure 6-9 ) permits the user to configure CDM-740
demodulator operations. Note that, for any configuration item requiring text entry, a reference to
the operational ranges for that field is provided to the right of that text box.
LNB Freq (MHz)
Enter the operating frequency, in MHz, for the Low-Noise Block Downcoverter. The valid range
is from 0 – 16000 MHz.
Rx Freq (MHz)
Enter the modem’s Rx frequency, in MHz. The valid range is from 950 – 2150 MHz.
Symbol Rate (ksps)
Enter the modem’s symbol rate, in ksps. The valid range is from 1000 – 62000 ksps.
Data Rate (kbps) read-only
This is a status-only section that displays the current data rate, in kbps, as derived from the selected
MODCOD parameter.
MODCOD
Use the dropdown menu to select the Demodulation type and FEC rate ( MODCOD) .