Config: Tx  Fec - Comtech EF Data CDM-625A Installation And Operation Manual

CDM-625A Advanced Satellite Modem
Front Panel Operation
Selection
Nom (Nominal Power)
Max (Maximum Power)
Hold
Press ENTER when done.
CONFIG: Tx  Power  Mode  CnC-APC Mode
Appendix F. Double Talk Carrier-in-Carrier Option
Selecting CnC Automatic Power Control (CnC-APC) mode displays the following menu:
Output Power Mode = CnC-Auto-Power-Control
Level=-25.0dBm MaxPwrIncrease=2.5dB ()
On the bottom line – To edit the power output level and the maximum permitted increase in
power level when in APC Mode, use the
the arrow keys to change that digit. Press ENTER when done.
▲▼
Note that, when APC is in an active state, the power level values display in the bottom left as
'AUTO'.
6.2.1.3.4 CONFIG: Tx  FEC
Enc=Vit (Vit,Seq,TCM,TPC,LDPC,VFEC,ULL)
Reed-Solomon=On (Off, On)
Use the ◄ ► arrow keys to select Encoder or Reed-Solomon / Diff Encoder, and then press
ENTER.
On the top line – Use the
parentheses), and then press ENTER. The choices are:
► None (i.e., uncoded)
► Seq (Sequential)
► TPC (Turbo)
(Hardware option)
► VFEC (VersaFEC)
Function
The output level reverts to the nominal power level set under Manual.
The output level changes to the maximum permitted.
The output level is maintained at the value just before the remote demod lost lock.
◄ ► arrow keys to select a digit to edit, and then use
arrow keys to select an available Encoder option (shown in
▲▼
► Vit (Viterbi)
► TCM (Trellis Coded Modulation)
► LDPC (Low Density Parity
► ULL (VersaFEC Ultra-Low Latency)
6–17
()
8-PSK Rate 2/3 only (FAST option)
Check) (Hardware option)
Revision 0
MN-CDM625A