Comtech EF Data SLM-5650A - Manual (Page 361)

SLM-5650A Satellite Modem Revision 8
Appendix C MN-SLM5650A
C–9
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 Code Rate TCR= 1 byte, value of
0 thru D
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)
TCR=
TCR?
TCR*
TCR#
TCR? TCR=x
(see Description
of Arguments)
Tx Data Rate TDR= 10 bytes Command or Query.
Tx Data rate, in kbps, in the form xxxxxx.xxx.
Resolution=1 bps.
Example: TDR=002047.999 (selects 2047.999 kbps) TDR=
TDR?
TDR*
TDR#
TDR? TDR=xxxxxx.xxx
(see Description
of Arguments)
Insert Tx BERT
Error
BEI= None Command only.
Insert single bit error in Tx BERT
Example: BEI= BEI=
BEI?
BEI*
BEI#
N/A N/A
Tx BERT State BTX= 1 byte, value of 0
or 1
Command or Query.
Tx BERT State, where:
0=Off
1=On
Example: BTX=1 (Tx BERT On)
BTX=
BTX?
BTX*
BTX#
BTX? BTX=x
(see Description
of Arguments)
Tx SCT
Reference
SCT= 1 byte, value of 0
thru 2
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)
SCT =
SCT?
SCT*
SCT#
SCT? SCT=x
(see Description
of Arguments)