Comtech EF Data DMD1050TS - Page 156

DMD1050TS Satellite Modem Board
Revision 1
Web Browser 7–34 MN-DMD1050TS
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LDPC
•
1/2
• 2/3
•
3/4
(B/O/QPSK)
LDPC
•
2/3
• 3/4
(8PSK / 8QAM)
LDPC
•
3/4
(16QAM)
Turbo
•
1/2
• 2/3
• 3/4
• 7/8
• 19/20
•
None
(B/Q/8/16APSK)
Rot. Ambiguity
• 0 (0,0,0)
• 1 (0,0,1)
• 2 (0,1,0)
• 3 (0,1,1)
• 4 (1,0,0)
• 5 (1,0,1)
• 6 (1,1,0)
• 7 (1,1,1)
Allows the user to manually resolve the rotational ambiguity
of uncoded 8PSK. This is primarily considered a test
function.
IFEC Interleave
• DISABLED
• ENABLED
Disable or enable the IFEC Interleave. This is valid only for
Radyne turbo codes TPC.495 and TPC.793. This is
available only for Radyne legacy Turbo. Contact the factory
for availability.
Differential Coding
•
DISABLED
• ENABLED
Enable or disable the Differential Decoder. Enable the
decoder for correct phase lock. This is not adjustable in
some modes.
Scrambler Selection
•
NONE
• V.35 (IESS)
• V.35 (CCITT)
(optional)
• V.35 (EF)
• V.35 (FC)
• OM73
• V.35 (CSTRM)
(optional)
• R11 (0-2-11) (optional)
• IBS w/Optional
Framing and Optional
Reed-Solomon
• Reed-Solomon
Scrambler w/Optional
Framing
• CCIT
• V.35EF_RS
• TPC Scrambler (Turbo
Codec)
• DVB
• EDMAC
• EBEM
Select the descrambler type.