Comtech EF Data SLM-5650B - Page 347

SLM-5650B Satellite Modem
Revision 2
Appendix C C–19 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
Tx Scrambler TSC= 1 byte Command or Query.
Tx Scrambler state, where:
0 = Off
1 = OM-73 Scrambler
2 = V.35 Scrambler
3 = Modified V.35 (Comtech EF Data Closed Network)
4 = Reed-Solomon Synchronous Scrambler
5 = IBS Overhead Synchronous Scrambler
6 = TURBO Scrambler
Depending on Modem mode, FEC type, overhead type, and RS state,
not all selections will be valid.
Example: TSC = 1 (OM-73 Scrambler On)
TSC=
TSC?
TSC*
TSC#
TSC? TSC=x
(see Description of
Arguments)
Tx Spreading
Equation
TSE= 5 bytes Command or Query.
Tx Speading Equation, where:
a = Equation 0 or 1:
bbbb = GSN 0-9999
Example: TSE = 00000 (Tx Equation 0 GSN 0000)
TSE=
TSE?
TSE*
TSE#
TSE? TSE=xyyyy
(see Description of
Arguments)
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 (Spreading is 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)