(Config:) Tx Scram; Config: Rx; (Config:) Rx Fec - Comtech EF Data CDM-710G Installation And Operation Manual

CDM-710G High-Speed Satellite Modem
Front Panel Operation
If TX Power
the 70/140 MHz Modulator card is installed):
TX Impedance (Ohms):
50 75
Note the following:
70/140 MHz
L-Band
(CONFIG:) Tx
Tx Scrambling Index:
Gold-n = 000000
The Gold-n Index indicates the Physical Layer spreading sequence number, and can be set from 0
to 262,141. The default setting is all 0s. To edit, use the
edited, then use the
6.3.1.3

CONFIG: Rx

Rx: FEC Dem Code SymRate
Freq EbNo PLL
Select FEC, Dem(od), Code, SymRate, Freq, EbNo, or PLL using the
press Note the following:
ENTER.
The CDM-710G operates only in DVB-S2 mode; this makes several Rx
parameters read-only. These parameters are resolved automatically and do not
need to be configured:
IMPORTANT
(CONFIG:) Rx
If Rx FEC is selected:
Rx FEC:
LDPC + BCH
This is a read-only status message. Press
Imped(ance) is selected (this menu selection is available/displayed only when
( E)
Select 50 or 75(Ω) using the
Not applicable.
Scram
( ▲ ▼ E)
arrow keys to change the value of the digit. Press
( E)
•
Rx: Dem (Demodulation Type)
•
Rx Dem
•
Rx Dem
•
Rx: Code Rate
FEC
(
arrow keys, then press ENTER.
arrow keys to select the digit to be
Inv (Spectrum Invert)
Pilot
E)
or to return to the previous menu.
ENTER CLEAR
6–17
Revision 1
MN-CDM710G
when done.
ENTER
arrow keys, then