Configuration | Demod; Figure 5-10. Configuration | Demod Page - Comtech EF Data CDM-840 Installation And Operation Manual

CDM-840 Remote Router
Ethernet Management
5.4.4.4.2

Configuration | Demod

The 'Configuration | Demod' page (Figure 5-10) is used to configure CDM-840 Rx
demodulator operating parameters. Note that, for any configuration item requiring text entry, a
reference to the operational ranges for that text box is provided to the right of that text box.
Demodulator
The acceptable/valid operating range for each item in this section is provided in brackets.
Data Rate [1000 – 168000 kbps ] – Enter the data rate in kbps.
Symbol Rate [1000 – 62000 ksps] – Enter the symbol rate in ksps.
Rx Frequency [950 – 2150 MHz]– Enter the Rx frequency in MHz.
MODCOD – Use the drop-down menu to select the Demodulation type and FEC rate (MODCOD).
Selections are as follows:
• Auto
(FUTURE)
• DVB-S2 QPSK 1/4
• DVB-S2 QPSK 1/3
• DVB-S2 QPSK 2/5
• DVB-S2 QPSK 1/2
• DVB-S2 QPSK 3/5

Figure 5-10. Configuration | Demod page

• DVB-S2 QPSK 8/9
• DVB-S2 QPSK 9/10
• DVB-S2 8-PSK 3/5
• DVB-S2 8-PSK 2/3
• DVB-S2 8-PSK 3/4
• DVB-S2 8-PSK 5/6
5–15
Revision 0
MN-CDM840
• DVB-S2 16-APSK 4/5
• DVB-S2 16-APSK 5/6
• DVB-S2 16-APSK 8/9
• DVB-S2 16-APSK 9/10
• DVB-S2 32-APSK 3/4
• DVB-S2 32-APSK 4/5