Comtech EF Data DD2401 - Manual (Page 61)

DD2401 Satellite Demodulator User Interfaces
MN-DD2401 - Rev. G 4- 37
Period Bits)
Opcode: <2A1Ch>
Command a Demodulator’s Terrestrial Loopback
<1> Rx Terrestrial
Loopback 0 = Disabled, 1 = Enabled
Opcode: <2A1Dh>
Command a Demodulator’s Baseband Loopback
<1> Rx Baseband
Loopback 0 = Disabled, 1 = Enabled
Opcode: <2A20h>
Command Center Buffer (No Parameters)
Opcode: <2A21h>
Command a Demodulator’s Data Invert
<1> Data Invert 0 = Normal, 1 = Inverted
Opcode: <2A31h>
Command a Demodulator’s Buffer Size
<4> Buffer Size Byte 1 - 2 = buffer size in ms OR Byte 3 - 4 = buffer size in bytes
(Either ms or bytes must be specified - the other field should be
0xFFFF)
4.4.12.2 Module Queries & Commands
Opcode: <2403h> Query a Module’s Identification
Query response
<1> Modem ID DD2401/DD2401L Demodulator = 27
Opcode: <240Eh>
Query Time
Query response
<1>
<1>
<1>
Hour
Minute
Second
0 – 23
0 – 59
0 – 59
Opcode: <240Fh>
Query Date
Query response
<1>
<1>
<1>
Year
Month
Day
0 – 99
0 – 11
0 – 30
Opcode: <2410h>
Query Time and Date
Query response
<1>
<1>
Year
Month 0 – 99
0 – 11