Comtech EF Data SLM-5650A Installation And Operation Manual page 223

Controller-to-Target
Instruction Code and
Qualifier
Parameter
Type
Command Query
Live Rx Faults N/A RXF?
Serial Remote Control
Arguments
for Command
(Note that all arguments are ASCII numeric codes from 48 to 57)
or Query
8 bytes Query only.
Returns Live Rx Fault as 32-bit Hexadecimal value in the form
xxxxxxxx, where:
80000000 = Demodulator IF not locked
40000000 = Demodulator Data Decoder not locked
20000000 = Demodulator RF Synthesizer not locked
10000000 = Demodulator No IQ Activity
08000000 = Interface De-Multiplexers not locked
04000000 = Interface Buffer Fault
02000000 = Interface Buffer about to slip
01000000 = Interface Buffer has overflowed
00800000 = Interface Buffer has underflowed
00400000 = Interface Buffer Clock PLL not locked
00200000 = Interface Buffer Clock Reference Activity
00100000 = Interface Data/AIS
00080000 = Eb/No Threshold exceeded
00040000 = Composite Power > 40 dBc
00020000 = Composite Power > 20 dBm
00010000 = BERT Sync Loss
00008000 = APC Band Mismatch
Example: >0001/RXF=00000000{CR}{LF} (indicates No Rx Faults)
Description of Arguments
10–29
SLM-5650A Satellite Modem
Revision 10
Target-to-Controller
Response to Query
Response to
(see Description of
Command
Arguments)
N/A RXF=xxxxxxxx
MN-SLM-5650A