User InterfacesDMD15/DMD15L IBS/IDR Satellite Modem
<1> | TPC Deinterleaver | 0=Disable, 1=Enable |
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Opcode: <2A01h> Command a demodulator’s frequency | ||
<4> | Frequency | Selects the IF frequency in Hz. The range is 50 MHz to 180 |
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| MHz for the 70/140 MHz type modems and 950 MHz to 1750 |
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| MHz for the |
Opcode: <2A02h> Command a demodulator’s data rate | ||
<4> | Data Rate | Binary value, 1 bps steps |
Opcode: <2A03h> Command a demodulator’s strap code | ||
<2> | Strap Code | Binary value |
Opcode: <2A04h> Command a demodulator’s sweep boundary | ||
<1> | Sweep Boundary | Sweep limits. Max of 32 kHz in kHz steps 1 - 32 |
Opcode: <2A05h> Command a demodulator’s sweep delay | ||
<2> | Sweep Delay | Binary value decimal implied, 0.1 second steps 0.1 – 900.0 |
Opcode: <2A07h> Command a demodulator’s demodulation type | ||
<1> | Demodulation Type | 0 = QPSK, 1 = BPSK, 2 = 8PSK, 3 = 16QAM, 4 = OQPSK |
Opcode: <2A08h> Command a demodulator’s convolutional decoder | ||
<1> | Convolutional | 0 = None, 1 = Viterbi 1/2 Rate, 2 = Viterbi 2/3 Rate, 3 = Viterbi |
| Decoder | 3/4 Rate, 4 = Viterbi 5/6 Rate, 5 = Viterbi 7/8 Rate, 6 = Viterbi |
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| 8/9 Rate, 7 = Sequential 1/2 Rate, 8 = Sequential 2/3 Rate, 9 = |
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| Sequential 3/4 Rate, 10 = Sequential 5/6 Rate, 11 = Sequential |
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| 7/8 Rate, 12 = Sequential 8/9 Rate, 13 = Trellis 1/2 Rate, 14 = |
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| Trellis 2/3 Rate, 15 = Trellis 3/4 Rate, 16 = Trellis 5/6 Rate, 17 |
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| = Trellis 7/8 Rate, 18 = Trellis 8/9 Rate, 19 = SEQ 3/4 Rate, 20 |
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| = TPC .793 2D, 21 = TPC .495 3D, 22 = TPC .325 3D |
Opcode: <2A09h> Command a demodulator’s differential decoder | ||
<1> | Differential Decoder | 0 = Off, 1 = On, 2 = EF Mode* |
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| *Available in uncoded QPSK modulation for compatibility. |
Opcode: <2A0Ah> Command a demodulator’s Reed Solomon | ||
<1> | Reed Solomon | 0 = Disable, 1 = Enable |
Opcode: <2A0Bh> Command a demodulator’s mode | ||
<1> | Mode | 0 = Closed Net. 1 = IDR, 2 = IBS, 3 = D&I |
Opcode: <2A0Ch> Command a demodulator’s filter mask | ||
<1> | Filter Mask | 0 = INTELSAT, 1 = EUTELSAT, 2 = CLOSED NET1 |
Opcode: <2A0Dh> Command a demodulator’s descrambler control | ||
<1> | Descrambler Control | 0 = Disable, 1 = Enable |
Opcode: <2A0Eh> Command a demodulator’s descrambler type | ||
<1> | Descrambler Type | 0 = None, 1 = IBS Scrm., 2 = V35_IESS, 3 = V35_CCITT, 4 = |
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| V35_EFDATA, 5 = V35_FAIRCHILD, 6 = OM73, 7 = RS |
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| Descrambler, 8 = V.35 EF RS Descrambler, 9 = TPC |
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| Scrambler |
TM051 – Rev. 5.8 |
