Comtech EF Data SLM-5650A Installation And Operation Manual page 361

SLM-5650A Satellite Modem
Appendix C
Command
Parameter (Instruction
Type Code and
Qualifier)
Tx Code Rate TCR= 1 byte, value of
0 thru D
Tx Data Rate TDR= 10 bytes
Insert Tx BERT BEI= None
Error
Tx BERT State BTX= 1 byte, value of 0
or 1
Tx SCT SCT= 1 byte, value of 0
Reference thru 2
Arguments for
Command or
Response to
Query
Command or Query
Tx Code Rate, where:
0 = 1/1 (Uncoded)
1 = 1/2
2 = 3/4
3 = 7/8
4 = 2/3
5 = 5/6
6 = 21/44
7 = 5/16
8 = 17/18
9 = Reserved
A = Reserved
B = .547
C = .456
D = .382
Depending on FEC type, not all selections will be valid.
Example: TCR=1 (selects Rate 1/2)
Command or Query.
Tx Data rate, in kbps, in the form xxxxxx.xxx.
Resolution=1 bps.
Example: TDR=002047.999 (selects 2047.999 kbps)
Command only.
Insert single bit error in Tx BERT
Example: BEI=
Command or Query.
Tx BERT State, where:
0=Off
1=On
Example: BTX=1 (Tx BERT On)
Command or Query.
SCT Clock Reference, where:
0=Internal
1=Data Source Synchronized
2=Loop Timing (Rx-Satellite Clock)
Example: SCT=0 (selects Internal Modem Reference)
Description of Arguments
C–9
Revision 8
MN-SLM5650A
Query
Response to (Instruction
Response to Query
Command Code and
Qualifier)
TCR= TCR? TCR=x
TCR? (see Description
TCR* of Arguments)
TCR#
TDR= TDR? TDR=xxxxxx.xxx
TDR? (see Description
TDR* of Arguments)
TDR#
BEI= N/A N/A
BEI?
BEI*
BEI#
BTX= BTX? BTX=x
BTX? (see Description
BTX* of Arguments)
BTX#
SCT = SCT? SCT=x
SCT? (see Description
SCT* of Arguments)
SCT#