Comtech EF Data CDM-570AL - Page 376

CDM-570A/570AL Satellite Modem with Optional Packet Processor
Revision 5
Optional Packet Processor - Serial/Telnet CLI Operation 9–48 MN-CDM570A
Selection
Hot Key
Description
RX Code Rate
(continued)
52 – VersaFEC-2 ModCod_25 – 16_ARY 0.733
53 – VersaFEC-2 ModCod_26 – 16_ARY 0.757
54 – VersaFEC-2 ModCod_27 – 16_ARY 0.782
55 – VersaFEC-2 ModCod_28 – 32_ARY 0.660
56 – VersaFEC-2 ModCod_29 – 32_ARY 0.684
57 – VersaFEC-2 ModCod_30 – 32_ARY 0.708
58 – VersaFEC-2 ModCod_31 – 32_ARY 0.733
59 – VersaFEC-2 ModCod_32 – 32_ARY 0.757
60 – VersaFEC-2 ModCod_33 – 32_ARY 0.782
61 – VersaFEC-2 ModCod_34 – 32_ARY 0.801
62 – VersaFEC-2 ModCod_35 – 32_ARY 0.831
63 – VersaFEC-2 ModCod_36 – 32_ARY 0.855
64 – VersaFEC-2 ModCod_37 – 32_ARY 0.879
Rx Demodulation
M
Select the Rx Demodulation type:
1 – BPSK
2 – QPSK
3 – OQPSK
4 – 8-PSK
5 – 16-QAM
6 – 8-QAM
7 – 8-ARY
8 – 16-ARY
9 – 32-ARY
Rx Spectrum Inversion
U
Select the Rx spectral inversion type:
1 – Normal
2 – Inverted
Rx Data Inversion
I
Select the Rx data inversion type:
1 – Normal
2 – Inverted
Rx Descrambling
B
Select the Rx descrambling type:
1 – Off
2 – On-Default
3 – On-IESS-315
Rx Acquisition Range
W
Set an acquisition value in the range from 0 to 200 kHz (1 to 32 kHz if
symbol rate < 625 Ksymbol) (“∀” is implied).
Eb/No Alarm Point
F
Set an alarm point value in the range from 0.1 to 16.0 dB. If the E
b
/N
0
falls
below this value, the modem generates a receive traffic fault.
Recenter Rx Buffer
C
Select to force re-centering of the Plesiochronous/Doppler buffer.
Rx Clock Inversion
A
Select the Rx clock inversion type:
1 – Normal
2 – Inverted
Rx Filter Rolloff
E
Select the Rx alpha filter rolloff:
1 – 0.35
2 – 0.25