Comtech EF Data CDM-840, Инструкция по установке и эксплуатации, Страница: 61 / 110

CDM-840 Remote Router Revision 0
Ethernet Management MN-CDM840
5–15
5.4.4.4.2 Configuration | Demod
Figure 5-10. Configuration | Demod page
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 8/9
•
DVB-S2 16-APSK 4/5
•
DVB-S2 QPSK 1/4
•
DVB-S2 QPSK 9/10
•
DVB-S2 16-APSK 5/6
• DVB-S2 QPSK 1/3 • DVB-S2 8-PSK 3/5 • DVB-S2 16-APSK 8/9
•
DVB-S2 QPSK 2/5
•
DVB-S2 8-PSK 2/3
•
DVB-S2 16-APSK 9/10
•
DVB-S2 QPSK 1/2
•
DVB-S2 8-PSK 3/4
•
DVB-S2 32-APSK 3/4
•
DVB-S2 QPSK 3/5
•
DVB-S2 8-PSK 5/6
•
DVB-S2 32-APSK 4/5