Comtech EF Data CDD-562AL Installation And Operation Manual page 138

CDD-562AL/564A/L Multi-Channel Demodulator
Telnet and CLI Operation
Code Rate, keystroke: R
•
Select one Decoder Rate:
1 – 5/16 8 – VersaFEC CCM BPSK 0.488
2 – 21/44
3 – 1/2 9 – VersaFEC CCM QPSK 0.533
4 – 3/4 10 – VersaFEC CCM QPSK 0.631
5 – 7/8 11 – VersaFEC CCM QPSK 0.706
6 – 0.95 12 – VersaFEC CCM QPSK 0.803
7 – 1/1
Demodulation, keystroke: M
•
Select Rx Demodulation type:
o 1 – BPSK
o 2 – QPSK
o 3 – 8PSK
o 4 – 16QAM
o 5 – 8QAM
•
Note: Selections 1, 2, 3 available only with the CDD-564L.
Spectrum Inversion, keystroke: U
•
Select one:
o 1 – Normal
o 2 – Inverted
Data Inversion, keystroke: I
•
Select one:
o 1 – Normal
o 2 – Inverted
Descrambling, keystroke: B
•
Select one:
o 1 – Off
o 2 – On-Default
o 3 – On-IESS-315
Acquisition Range, keystroke: W
•
Valid ranges are from 1 to 200 kHz:
13 – VersaFEC CCM 8-QAM 0.576
14 – VersaFEC CCM 8-QAM 0.642
15 – VersaFEC CCM 8-QAM 0.711
16 – VersaFEC CCM 8-QAM 0.780
17 – VersaFEC CCM 16-QAM 0.644
18 – VersaFEC CCM 16-QAM 0.731
19 – VersaFEC CCM 16-QAM 0.780
20 – VersaFEC CCM 16-QAM 0.829
21 – VersaFEC CCM 16-QAM 0.853
9–32
Revision 0
MN-CDD562AL564AL
22 – VersaFEC ULL BPSK 0.493
23 – VersaFEC ULL QPSK 0.493
24 – VersaFEC ULL QPSK 0.654
25 – VersaFEC ULL QPSK 0.734