Comtech EF Data SLM-5650A Installation And Operation Manual page 213

Controller-to-Target
Instruction Code and
Qualifier
Parameter
Type
Command Query
Live Tx Faults N/A TXF?
Tx Carrier State TXO= TXO?
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 Tx Fault as a 32-bit Hexadecimal value in the form
xxxxxxxx, where:
80000000 = Modulator Symbol Clock not locked
40000000 = Modulator RF Synthesizer not locked
20000000 = Modulator No IQ Activity
10000000 = Modulator Nyquist Filter Clipping
08000000 = Interface data clock PLLs not locked
04000000 = Interface Terrestrial Clock No Activity
02000000 = Interface SCT PLL not locked
01000000 = Interface No Data Activity
00800000 = APC Home State
00400000 = APC Margin
Example: >0001/TXF=00000000{CR}{LF} indicates No Tx Faults
1 byte Command or Query.
Sets or returns the Tx Carrier State in the form x, where:
0 = OFF due to front panel or remote control command
1 = ON
2 = RTS
3 = OFF due to ext H/W Tx Carrier Off command (not a valid
argument when used as a command)
Example: <0001/TXO=1{CR} (Tx Carrier ON)
Description of Arguments
10–19
SLM-5650A Satellite Modem
Revision 10
Target-to-Controller
Response to Query
Response to
(see Description of
Command
Arguments)
N/A TXF=xxxxxxxx
TXO= TXO=x
TXO?
TXO*
TXO#
MN-SLM-5650A