Comtech EF Data DMD20 User Manual
Page 25
DMD20/DMD50/DMD2050/DMD2050E/DMD1050/OM20 Remote Protocol
Remote Operations
MN-DMDREMOTEOP Revision 9
1–15
Command Clear Latched Alarms
2C03h
Command Set Time
2C04h
Command Set Date
2C05h
Command Set Time and Date
2C06h
Clear Modem Common Latched Alarm 1
2C08h
Clear Modem Common Latched Alarm 2
2C09h
Command Delete Modem Event Buffer
2C0Ah
Command Soft Reset
2C0Bh
Command BUC FSK Pass Thru
2F61h
1.5
Detailed Command Descriptions:
1.5.1 DMD20
Modulator:
Opcode: <2400h>
Query a Modulator's Configuration and Status
Query Response (205 Bytes)
<1>
Number of nonvol
bytes
Number of Configuration Bytes
Configuration Bytes (162 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>
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
<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
<4> External
Clock
Frequency
Binary value, 1 Hz steps
2.4 kHz to 20 MHz For DMD20
2.4 kHz to 52 MHz For DMD2050, DMD2050E and
DMD50
<4> External
Reference
Frequency
Binary value, 8 kHz steps, 256 kHz to 10 MHz
<1> Frequency
Reference
Source
0 = Internal, 1 = External, 2 = High stability
<1>
Modulation Type
0 = QPSK, 1 = BPSK, 2 = 8PSK, 3 = 16QAM, 4 =
OQPSK, 5 = RFM, 6 = 8QAM