Comtech EF Data DD240XR Rev Е - Manual (Page 65)

DD240XR High-Speed Digital Demodulator User Interfaces
MN-DD240XR – Rev. E 4-45
Opcode: <2440h> Query Test Status
Response
<1>
<1>
<1>
<1>
<8>
<8>
<2>
<2>
<4>
Test Pattern
Test Sync
Test Early Sync
Loss
Test Pattern
Sense
Test Pattern
Error Count
Test Bit Count
Test Pattern
BER Mantissa
Test Pattern
BER Exponent
Test Run Time 0 = none, 1 = (2
15
-1), 23=(2
23
-1)
0 = false, 1=true
0 = false, 1=true
0= normal, 1= inverted
bits
bits
with implied decimal point 493 = 4.93
exponent, -6 = 10
-6
seconds
Opcode: <2A00h>
Set Configuration
Same as Configuration Bytes from Opcode: <2401h> Query
Configuration and Status
Opcode: <2A01h>
Set frequency
<4> Carrier
Frequency in 1 Hz steps, If range = 50 MHz to 180 MHz, L-Band Range =
950 MHz to 2150 MHz
Opcode: <2A02h>
Set data rate
<4> Data Rate in 1 bps steps
Opcode: <2A04h>
Set acquisition range
<4> Acquisition
Range in 1 Hz steps, Max = 7.5 MHz, Min: Symbol rate/10 and when
demodulation is 8PSK min: Symbol rate/20
Opcode: <2A07h>
Set demodulation
<1> Demodulation 0 = QPSK, 2 = 8PSK, 3 = 16QAM, 4 = 16APSK
Opcode: <2A08h>
Set inner FEC rate
<1> Inner FEC Rate 1 = 1/2 Rate, 2 = 2/3 Rate, 3 = 3/4 Rate, 4 = 5/6 Rate, 5 = 7/8
Rate, 8 = 8/9 Rate, 9 = 9/10, 10=10/11 Rate, 11=11/12 Rate,
12 = 3/5, 13 = 4/5, 14 = 6/7 Rate, 15 = Reserved, 16 =
Reserved, 17 = Reserved
Opcode: <2A0Bh>
Set network specification
<1>
Network
Specification 0 = DVB 1 = DVB-S2 2 = DirecTV AMC