Comtech EF Data CDD-562AL - Manual (Page 185)

CDD-562AL/564A/L Multi-Channel Demodulator Revision 0
HTTP (Web Server) Interface MN-CDD562AL564AL
10–19
De-Scrambler
Select from: On (Normal), Off or IESS-315
Sweep Width
Enter the value in kHz.
Eb/No Alarm Pt
Enter the Eb/No Alarm Point value in dB.
FEC Type
Select the Forward Error Correction type:
• Uncoded
• TPC
• VersaFEC
• ULL
Demodulation Type
Select the Demodulation type:
• BPSK
• QPSK
• 8PSK
• 16QAM
• 8QAM
FEC Code Rate
Select the Forward Error Correction code rate.
5/16* VersaFEC CCM BPSK 0.488 VersaFEC CCM 8-QAM 0.576 VersaFEC ULL BPSK 0.493
21/44* VersaFEC CCM 8-QAM 0.642 VersaFEC ULL QPSK 0.493
1/2 VersaFEC CCM QPSK 0.533 VersaFEC CCM 8-QAM 0.711 VersaFEC ULL QPSK 0.654
VersaFEC CCM QPSK 0.631 VersaFEC CCM 8-QAM 0.780 VersaFEC ULL QPSK 0.734
3/4 VersaFEC CCM QPSK 0.706
7/8 VersaFEC CCM QPSK 0.803 VersaFEC CCM 16-QAM 0.644
0.95* VersaFEC CCM 16-QAM 0.731
1/1*** VersaFEC CCM 16-QAM 0.780
VersaFEC CCM 16-QAM 0.829
VersaFEC CCM 16-QAM 0.853
* means Turbo only
*** means uncoded or no FEC