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

CDM-710 Broadcast Satellite Modem
Front Panel Operation

Config: Tx: Scram

The Scam(bler) menu is available only when the Mode selection is
DVB-S2.
IMPORTANT
Tx Scrambling Index:
Gold-n = 000000
The Scrambling menu is active only for DVB-S2. Use the arrow keys to select the desired
digit. The value of the digit is then changed using the   arrow keys. The user should then
press ENTER.
The Gold-n index can be set from 0 to 262,141 and it indicates the Physical Layer spreading
sequence number. The default setting is all 0s.
5.3.1.3
Rx: FEC Dem Code SymRate
Mode Freq EbNo PLL (E)
This modem is configured with the Mode as the highest priority.

Config: Rx: FEC

FEC
If is selected:
This is a status only message. It depends upon the selection made under the
Config: Rx : Mode menu.
Rx FEC:
Viterbi + Reed - Solomon
For DVB-S2 Mode only:
Rx FEC:
LDPC + BCH
(E)

Config: Rx

(E)
(E)
5–19
Revision 9
MN/CDM710.IOM