Comtech EF Data CDM-625A Installation And Operation Manual page 296

CDM-625A Advanced Satellite Modem
Serial-based Remote Product Management
Command
Parameter Number of
(Instruction
Type Arguments
& Qualifier)
Tx TDI= 1 byte, 0 or 1
Data Invert
Exception –
600/L Emulation:
ITD=
Tx TRS= 1 byte, value of
Reed-Solomon 0 thru 3
Encoding
Tx Spectrum TSI= 1 byte, 0 or 1
Invert
Tx Scrambler TSC= 1 byte, 0, 1 or 2
Description of Arguments
Command or Query.
Invert Transmit Data
0=Normal
1=Inverted
Example: TDI = 1 (selects TX Data Invert)
Exception – In 600/L Emulation Mode, instruction is ITD.
Command or Query.
Tx RS encoding
0=Normal (based on the Open Network framing selected)
1=IESS-310 mode, valid with QDI, unframed, IBS, D&I, IDR.
2=EF Data legacy standard (225,205) – unframed, QDI only
3=IBS (126,112) – unframed only
Example: TRS=0 (This is a 'don't care' if no RS is selected under FEC Type)
Available all framing modes, except EDMAC.
Command or Query.
Tx Spectrum Invert selection, where:
0=Normal
1=Tx Spectrum Inverted
Example:TSI=0 (selects normal)
Command or Query.
Tx Scrambler state, where:
0=Off
1=Normal
2=IESS-315
Note: When CnC mode is ON, Tx Scrambler state is fixed as IESS-315.
Example: TSC=1 (Scrambler On)
8–14
Revision 0
MN-CDM625A
Query
Response to
(Instruction & Response to Query
Command
Qualifier)
TDI= TDI? TDI=x
TDI?
TDI* (see Description of
TDI# Exception – Arguments)
600/L Emulation:
ITD?
TRS= TRS? TRS=x
TRS?
TRS* (see Description of
TRS# Arguments)
TSI= TSI? TSI=x
TSI?
TSI* (see Description of
TSI# Arguments)
TSC= TSC? TSC=x
TSC?
TSC* (see Description of
TSC# Arguments)