Comtech EF Data DMD20 User Manual
Page 49

DMD20/DMD50/DMD2050/DMD2050E/DMD1050/OM20 Remote Protocol
Remote Operations
MN-DMDREMOTEOP Revision 9
1–39
<1>
Reed Solomon
0 = Disabled, 1 = Enabled
This command also turns the Carrier off.
Opcode: <2611h>
Command a Modulator’s Spectrum
Command Data (1 Byte)
<1>
Spectrum
0 = Normal, 1 = Inverted
Opcode: <2612h>
Command a Modulator’s TX Test Pattern
Command Data (1 Byte)
<1>
TX Test Pattern
0 = None, 1 = 2047 (2^11-1), 2 = 2^15-1, 3 = 2^23-1
Opcode: <2613h>
Command a Modulator’s Scrambler Control
Command Data (1 Byte)
<1>
Scrambler Control
0 = Disabled, 1 = Enabled
Opcode: <2614h>
Command a Modulator’s Scrambler Type
Command Data (1 Byte)
<1>
Scrambler 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
Opcode: <2615h>
Command a Modulator’s Satellite Framing
Command Data (1 Byte)
<1>
Satellite Framing
0 = No Framing, 1 = 96K IDR, 2 = 1/15 IBS, 3 = EF
AUPC 1/15, 4 = DVB, 5 = EDMAC, 6 = SCC, 7 = 96K,
8 = Efficient D&I, 9 = Ebem
This command also turns the carrier off to protect
the satellite.
Opcode: <2616h>
Command a Modem's Frequency Reference Source
Command Data (1 Byte)
<1> Frequency
Reference
Source
0 = Internal, 1 = External, 2 = High stability
Opcode: <2617h>
Command a Modulator’s Terrestrial Loopback
Command Data (1 Byte)