Comtech EF Data SLM-5650B, Installation And Operation Manual

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SLM-5650B Satellite Modem
Revision 2
Appendix C C–20 MN-SLM-5650B
Parameter
Type
Command
(Instruction
Code and
Qualifier)
Arguments for
Command or
Response to
Query
Description of Arguments
Response to
Command
Query
(Instruction
Code and
Qualifier)
Response to
Query
Live Tx Faults N/A 8 bytes Query only.
Live Tx Faults are returned as a 32 bit Hexadecimal value. Bit values
are defined as follows:
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: TXF = 00000000 indicates No Tx Faults
N/A TXF?
TXF=xxxxxxxx (see
Description of
Arguments)
Tx Carrier State TXO= 1 byte Command or Query.
Tx Carrier State, 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: TXO = 1 (Tx Carrier ON)
TXO=
TXO?
TXO*
TXO#
TXO? TXO=x
(see Description of
Arguments)