Comtech EF Data DMD20 User Manual
Page 54
DMD20/DMD50/DMD2050/DMD2050E/DMD1050/OM20 Remote Protocol
Remote Operations
MN-DMDREMOTEOP Revision 9
1–44
<1>
Ethernet Flow Control 0 = Disabled, 1 = Enabled
<1>
Ethernet Daisy Chain
0 = Disabled, 1 = Port 4
<1>
Ethernet QOS Type
0 = Normal, 1 = Port based
<1> Ethernet
QOS
QUEUE
0 = Fair Weighted, 1 = Strict Priority
1.5.2 DMD20
Demodulator:
Opcode: <2401h>
Query a Demodulator's Configuration and Status
Query Response (237 Bytes)
<1>
Number of nonvol
bytes
Number of Configuration Bytes
Configuration Bytes (148 Nonvol Bytes)
<1>
Network Spec
0 = Closed Net, 1 = IDR, 2 = IBS, 3 = D & I, 5 = DVB
SAT, 11 = MIL-188-165A, 16 = RFM, 17 = Ebem
<4>
Frequency
Selects the IF Frequency in Hz, IF Range = 50 MHz to
180 MHz, L-Band Range = 950 MHz to 2050 MHz
<2>
Sweep Delay
Binary value, 0.1 second steps, Implied decimal point,
0 – 65535 (0.0 sec to 6553.5 sec)
<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
<1> Sweep
Boundary
Sweep limits. Max of
255 kHz in kHz steps 0 - 255
<1>
Input Level Limit
Lower level limit, binary value, 1 dB steps, and Implied
sign. 30 to 90 (-30 to –90 dBm)
<2>
Strap Code
Binary value
<1>
Spectral Mask
0 = INTELSAT 0.35, 18 = MIL-188-165A, 20 = DVB
0.20, 25 = DVB 0.25, 35 = DVB 0.35
<1>
Demodulation Type
0 = QPSK, 1 = BPSK, 2 = 8PSK, 3 = 16QAM, 4 =
OQPSK, 5 = RFM, 6 = 8QAM
<1> Convolutional
Decoder
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
<1>
Reed Solomon
0 = Disabled, 1 = Enabled
<1>
Differential Decoder
0 = Disabled, 1 = Enabled
<1>
Descrambler Control
0 = Disabled, 1 = Enabled