Comtech EF Data SLM-5650C CyberLynx, Installation And Operation Manual

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SLM-5650C / SLM-5650C-ODU Satellite Modem
Revision 1
Serial Remote Control 7–16 MN-SLM-5650C
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
Tx
Spreading
Factor
TSF= 4 bytes Command or Query.
Tx Spreading Factor, where xxxx is value from 1 to 512. Values other than 1 are only
valid when Modem Type = LDPC.
Example: TSF=0001 (Tx Spreading Off)
TSF=
TSF?
TSF*
TSF#
TSF? TSF=xxxx
(see Description of
Arguments)
Tx Spectrum
Invert
TSI= 1 byte Command or Query.
Tx Spectrum Invert selection, where:
0=Normal,
1=Tx Spectrum Inverted
Example: TSI=0 (selects normal)
TSI=
TSI?
TSI*
TSI#
TSI? TSI=x
(see Description of
Arguments)
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 SCT PLL not locked
02000000 = Interface No Data Activity
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
Example: TXO=1 (Tx Carrier ON)
TXO=
TXO?
TXO*
TXO#
TXO? TXO=x
(see Description of
Arguments)