Comtech EF Data DMD20 - Manual (Page 47)

DMD20/DMD50/DMD2050/DMD2050E/DMD1050/OM20 Remote Protocol Remote Operations
MN-DMDREMOTEOP Revision 9 1–37
<4> Data Rate Binary value, 1 bps steps
2.4 Kbps to 20 Mbps for DMD20, DMD20LBST and
OM20
2.4 Kbps to 52 Mbps for DMD2050, DMD2050E and
DMD50
This command also turns the carrier off to protect
the satellite.
Opcode: <2605h>
Command a Modulator’s Filter Mask
Command Data (1 Byte)
<1> Spectral Mask 0 = INTELSAT 0.35, 18 = MIL-188-165A, 20 = DVB
0.20, 25 = DVB 0.25, 35 = DVB 0.35
Opcode: <2606h>
Command a Modulator’s Modulation Type
Command Data (1 Byte)
<1> Modulation Type 0 = QPSK, 1 = BPSK, 2 = 8PSK, 3 = 16QAM, 4 =
OQPSK, 5 = RFM, 6 = 8QAM
This command also turns the carrier off to protect
the satellite.
Opcode: <2607h>
Command a Modulator’s Convolutional Encoder
Command Data (1 Byte)
<1> Convolutional
Encoder
0 = None, 1 = Viterbi ½, 2 = Viterbi 2/3 (DVB Only), 3 =
Viterbi ¾, 4 = Viterbi 5/6 (DVB Only), 5 = Viterbi 7/8, 6
= Reserved, 7 = Sequential ½, 8 = Reserved, 9 =
Sequential ¾, 10 = Reserved, 11 = Sequential 7/8, 12
= Reserved, 13 = Reserved, 14 = Trellis 2/3, 15 =
Trellis ¾ (DVB - 16QAM Only), 16 = Trellis 5/6 (DVB -
8PSK Only), 17 = Trellis 7/8 (DVB - 16QAM Only), 18 =
Trellis 8/9 (DVB - 8PSK Only), 19 = ComStream 3/4
SEQ, 20 = TPC .793 2D, 21 = TPC .495 3D, 22 =
Reserved, 23 = TPC ½, 24 = TPC ¾, 25 = TPC 7/8, 26
= TPC 21/44, 27 = TPC .750, 28 = TPC .875, 29 = TPC
.288, 30 = TPC 7/8 Short, 31 = TPC 3/4 Short, 32 =
TPC 5/16, 33 = Flex 1/2, 34 = Flex 2/3, 35 = Flex 3/4,
36 = Flex 7/8, 37 = Flex 19/20, 61 = LDPC 1/2, 62 =
LDPC 2/3, 63 = LDPC 3/4, 64 = LDPC 4/5, 65 = LDPC
5/6, 68 = LDPC 8/9, 69 = LDPC 9/10, 73 = LDPC 3/5
This command also turns the carrier off to protect
the satellite.