Reed-Solomon (Menu) - Comtech EF Data DMD-2050E Installation And Operation Manual

Universal satellite modem
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DMD2050E Universal Satellite Modem
DATA MENU
SCRAMBLER SEL
{NONE, V.35-IESS, V.35 CITT, V.35 EF, IBS
w/Optional Framing and optional Reed-
Solomon, Reed-Solomon Scrambler
w/Optional Framing, CCITT, V.35FC, OM-73,
V.35EF_RS, TPC SCRAMBLER (Turbo
Codec), DVB, EDMAC, EBEM}
SCRAMBLER CTRL
{ENABLED, DISABLE}
SAT FRAMING
{1/15 (IBS), 1/15 (Async), 96 Kbps (IDR),
EDMAC, EFAUPC, SCC, EBEM, None}
TERR FRAMING
{NONE, 188, 204}
DATA POLARITY
{INV. TERR & BASE, INV. BASEBAND,
INV.TERR DATA, NONE}
SYMBOL PAIR
{NONE, SWAPPED}
ESC OVERHEAD
{VOICE X2, DATA 64KBPS}
See also:
4.4.1.4.1 EBEM NETWORK SPEC Parameters
4.4.1.4.2 SCC FRAMING Parameters
4.4.2.5

REED-SOLOMON (menu)

IMPORTANT
When the Reed-Solomon option is installed, these parameters are available.
ENABLE/DISABLE
{ENABLED, DISABLE}
RS RATE
{Refer to Table 3-1 for valid
n/k values}
INTERLVR DEPTH
{4, 8, 12}
MN-DMD2050E Revision 2
Select the descrambler type.
Enable or disable the descrambler
operation.
Select the Framing Type.
DVB Only
Invert the Rx Data polarity.
BPSK Mode Only
Swap the I & Q Channels.
IDR ESC Channel is used for Voice or 64
K data channel.
Enable or disable the Reed-Solomon decoder.
Displays the currently used n, k Reed-Solomon Codes. In
Closed Net Mode, you can select custom R-S Codes.
Select the Reed-Solomon interleaver depth. In Closed Net
Mode, you can select a depth of 4 or 8.
User Interfaces
4–17

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