Config:) Rx Demod (Demodulation); Config:) Rx Data - Comtech EF Data CDM-740 Installation And Operation Manual

CDM-740 Advanced Satellite Modem
Front Panel Operation
5.4.2.4 (CONFIG:) Rx
MODCOD: Auto
Framing Mode=Normal (Normal,Short)(
On the top line, select the Demodulation type and FEC rate using the
are as follows:
•
Auto
•
DVB-S QPSK 1/2
•
DVB-S QPSK 2/3
•
DVB-S QPSK 3/4
•
DVB-S QPSK 5/6
•
DVB-S QPSK 7/8
•
DVB-S2 QPSK 1/4
•
DVB-S2 QPSK 1/3
•
DVB-S2 QPSK 1/2
•
DVB-S2 QPSK 3/5
•
DVB-S2 QPSK 2/3
•
DVB-S2 QPSK 3/4
•
DVB-S2 QPSK 5/6
•
DVB-S2 QPSK 8/9
•
DVB-S2 QPSK 9/10
To set the FEC Framing Mode, use the the ◄ ► arrow keys to move to the Framing Mode
operation on the bottom line, then set the mode as Normal or Short using the
The default value is Normal and, when selected, enables the standard FECFRAME = 64,800 bits.
If Short is selected, it enables the 16,200 bit frame.
Note: Only DVB-S2 allows a FECRAME choice.
Once the Rx Demodulation type and FEC Framing Mode are selected, press ENTER.
5.4.2.5 (CONFIG:) Rx
Rx Data Rate: 00009980.000 kbps
Rx Symbol Rate:
To configure the Rx Data Rate (in kbps), on the top line select the digit of Data Rate to be edited
using the
◄ ►
ENTER when done.
The maximum limits for the Data Rate are 16 kbps to 9.98 Mbps. The resolution is 1 bps.
Demod (Demodulation)
•
•
•
•
•
•
•
•
•
•
•
•
Data
2000.000 ksps
arrow keys, then change the value of that digit using the
(Auto,DVB-S)
DVB-S2 8-PSK 3/5
DVB-S2 8-PSK 2/3
DVB-S2 8-PSK 3/4
DVB-S2 8-PSK 5/6
DVB-S2 8-PSK 8/9
DVB-S2 8-PSK 9/10
DVB-S2 16-APSK 3/5
DVB-S2 16-APSK 2/3
DVB-S2 16-APSK 3/4
DVB-S2 16-APSK 5/6
DVB-S2 16-APSK 8/9
DVB-S2 16-APSK 9/10
5–10
Revision 0
MN-CDM740
vE)
◄►
arrow keys. Selections
▲ ▼
•
DVB-S2 32-APSK 3/5
•
DVB-S2 32-APSK 2/3
•
DVB-S2 32-APSK 3/4
•
DVB-S2 32-APSK 5/6
•
DVB-S2 32-APSK 8/9
•
DVB-S2 32-APSK 9/10
(Reserved1)
(Reserved2)
(Reserved3)
arrow keys.
▲ ▼
(Read)
◄►
( E)
arrow keys. Press
▲ ▼