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Comtech EF Data DMD20 User Manual

Page 63

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DMD20/DMD50/DMD2050/DMD2050E/DMD1050/OM20 Remote Protocol

Remote Operations

MN-DMDREMOTEOP Revision 9

1–53

<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

<1>

Descrambler Type

0 = None, 1 = IBS, 2 = V35 IESS, 3 = V35 CCITT, 4 =
V35 EFDATA, 5 = V35 FAIRCHILD, 6 = OM-73, 7 =
RS, 8 = RS EFDATA, 9 = TPC, 10 = DVB, 11 =
EDMAC, 12 = TPC and IBS, 13 = TPC and EDMAC, 14
= V35 ComStream, 15 = R11, 16 = Ebem Sync

<1>

Spectrum

0 = Normal, 1 = Inverted

<1>

Buffer Size msec

Indicates buffer size in msecs, 0 through 64

<1>

Active Buffer Clock
Source

0 = SCTE, 1 = SCT, 2 = EXT BNC, 3 = RX SAT, 4 =
EXT IDI

<1>

Buffer Clock Polarity

0 = Normal, 1 = Inverted

<1>

Insert Mode

0 = Disabled, 1 = T1-D4, 2 = T1-ESF, 3 = PCM-30, 4 =
PCM-30C, 5 = PCM-31, 6 = PCM-31C, 7 = SLC-96, 8 =
T1 D4 S, 9 = T1 ESF S

<1>

T1E1 Frame Source

0 = Internal, 1 = External, 2 = IDI/DDO Loopback

<30> Insert Map

Timeslots to insert organized by satellite channel
(Mapping of Satellite channels 1 thru 30 to inserted
Terrestrial Timeslots (Terrestrial Timeslots = 1..31) (0 =
Insert None))

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