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DMD50 Universal Satellite Modem
DATA (menu)
DATA RATE (bps)
SYMB RATE (sps)
INNER FEC
TPC INTERLEAVER
DIFF CODING
SCRAMBLER SEL
SCRAMBLER CTRL
SAT FRAMING
MN-DMD50 Revision 4
Allows you to offset output power by up to 1 dbm. This is
intended as a correction for user cabinet connectors.
{Refer to Technical Specs for Data Rates}
Allows the user to set the Data Rate in bps steps via the Front
Panel Arrows or Keypad.
Allows the user to view the Symbol Rate.
Viterbi
Optional FEC Rates:
Sequential
Trellis
Turbo ≤ 20Mbps
Turbo >20Mbps
CSC
DVB VIT
DVB Trellis
LDPC (B/O/QPSK)
LDPC (8PSK)
LDPC (8QAM)
LDPC (QPSK/OQPSK) {1/2, 2/3, 3/4}
LDPC (16QAM)
Allows the user to select the Rx Code Rate and Type
{DISABLE, ENABLE}
Allows user to disable or enable the TPC Interleaver. Valid only
for Radyne turbo codes TPC.495 and TPC.793
{ENABLED, DISABLE}
Allows the user to enable or disable the Differential Encoder.
Having the encoder enabled ensures proper phase lock. May not
be adjustable in some modes.
{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}
Allows the user to select the descrambler type.
{ENABLED, DISABLE}
Allows the user to enable or disable scrambler operation.
{1/15 (IBS), 1/15 (Async), 96 Kbps (IDR), DVB, EDMAC,
EFAUPC, SCC, EFFICIENT D&I, None}
Used with IDR, IBS, or Asynchronous Interface Only.
Allows the user to select the framing type.
{1/2, 3/4, 7/8, None}
{1/2, 3/4, 7/8}
{8PSK}
{.793, .495, 3/4, 7/8}
{.750, .875}
{3/4}
{2/3, 5/6}
{3/4, 5/6, 7/8, 8/9}
{1/2, 2/3, 3/4}
{2/3, 3/4}
{2/3, 3/4}
{3/4}
User Interfaces
4–7
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