Tx Parameters - Comtech EF Data CDM-425 Installation And Operation Manual

8.5.2

Tx Parameters

Priority System: TIT (Highest priority) , TFM, TFT, TMD, TCR, TDR, and TSR (Lowest Priority), indicated by shading. Any change to a higher
priority parameter can override any of the parameters of lower priority.
Exception – Select DROP, D&I++, QDI or Framed QDI mode using TFM (Transmit Framing type), which is highest priority.
Command
Parameter Number of
(Instruction
Type Arguments
& Qualifier)
Tx Interface TIT= 1 byte,
Type 0 thru 4, 8, A, B
Tx Framing TFM= 1 byte,
Mode 0,
3 thru 5,
7 thru 9,
or A
Serial Remote Control
Description of Arguments
Command or Query.
Sets or returns Tx Interface Type in the form x, where:
0=RS422
1=V.35
2=Reserved
3=Balanced G.703
4=Unbalanced G.703
5=Reserved
6=Reserved
7=Reserved
8=IP
9=Reserved
A=IP-ACM (Unframed, EDMACs only)
B=VersaFEC-2 ACM (requires VFEC-2 ACM FAST option)
EXAMPLE: <0/TIT=1 (selects V.35)
Command or Query.
Sets or returns Tx Framing Mode in the form x, where:
0=Unframed
1=Reserved
2=Reserved
3=D&I - DROP (requires D&I FAST option)
4=EDMAC
5=D&I++ (requires D&I FAST option)
6=Reserved
7=EDMAC-2
8=Quad Drop & Insert (requires QDI FAST option) (G.703 Balanced, E1-CCS only)
9=Framed QDI (requires QDI FAST option)(G.703 Balanced, E1-CCS only)
A=EDMAC-3
EXAMPLE: <0/TFM=0 (selects Unframed mode)
8–10
CDM-425 Advanced Satellite Modem
Revision 0
Query
Response to
(Instruction Response to Query
Command
& Qualifier)
TIT= TIT? TIT=x
TIT? (see Description of
TIT* Arguments)
TIT#
TFM= TFM? TFM=x
TFM? (see Description of
TFM* Arguments)
TFM#
MN-CDM-425