Comtech EF Data DD2401 VME - Manual (Page 38)

User Interfaces DD2401 VME L-Band Demodulator Card Installation & Operational Manual
4-14 MN-VME2401 – Rev. B
Command Demod Operating Mode 2A17h
Command Demod BER Measure Period 2A1Ah
Command Demod Terrestrial Loopback 2A1Ch
Command Demod Baseband Loopback 2A1Dh
Command Demod Center Buffer 2A20h
Command Demod Data Invert 2A21h
Command Demod Buffer Size Time/Bytes 2A31h
4.4.11 Module Command Set
RLLP Command Opcode
Query Module Identification 2403h
Query Module Current Alarms 240Ah
Query Module Time 240Eh
Query Module Date 240Fh
Query Module Time and Date 2410h
Command Module Control Mode 2600h
Command Module Ext Ref Source 2616h
Command Mod Ext Ref Frequency 261Bh
Command Module Clear Latched Alarms 2C03h
Command Module Set Time 2C04h
Command Module Set Date 2C05h
Command Module Set Time and Date 2C06h
Command Module Soft Reset 2C07h
Command Module Eb/No Threshold 2C08h
Command Module Default Configuration 2C30h
1
Applies to base band frequency modems only.
2
Applies to LB/ST modem configurations only.
4.4.12 Detailed Command Descriptions
4.4.12.1 DMD2401 Demodulator
Note: All bytes preceded by a * are not applicable to the DD2401/DD2401L and should be considered
as reserved and there returned values ignored.
Opcode: <2401h> Query a Demodulator’s Configuration and Status
Query Response
<1> Number of Nonvol
bytes
See Paragraph B.6. This is the number of configuration bytes
and is an offset to the start of the status block.
Configuration Bytes
<4>
<4>
<1>
<4>
Frequency
Data Rate
Sweep Boundary
External
Reference
Binary Value, 1 Hz Steps
Binary Value, 1 bps Steps
Sweep Limits (Max of
± 42 kHz)
Unsigned Binary Value in Hz