8 (config: tx) scr (scrambling), Config: tx) output power level mode: cnc-apc – Comtech EF Data CDM-570A User Manual
Page 125
CDM-570A/570AL Satellite Modem with Optional Packet Processor
MN-CDM570A
Front Panel Operation
Revision 2
6–21
(CONFIG: Tx) Output Power Level Mode: AUPC
DemodUnlock
Action when Remote Demod
unlocks: Nom Max
To set the action that occurs if the remote demod is unlocked, use the
◄ ►
arrow keys
to select Nom or Max. Press ENTER.
Parameter
Description
Nom
(Nominal Power) The output level reverts to the nominal power level set under Manual.
Max
(Maximum Power) The output level changes to the maximum permitted.
(CONFIG: Tx) Output Power Level Mode: CnC-APC
See Sect. G.6.7 CnC-APC Setup in Appendix G. D
OUBLE
T
ALK
C
ARRIER
-
IN
-C
ARRIER
OPTION
6.3.2.3.8 (CONFIG: Tx) Scr (Scrambling)
IMPORTANT NOTE – All selections are always viewable. If a Hardware or FAST
option is either uninstalled or invalid, the cursor will skip past the unavailable
choice.
Tx Scrambling:Default-On
IESS-315-On Off (◄ ►,ENT)
Use the
◄ ►
arrow keys to select a parameter. Press ENTER.
Parameter
Description
Default-On
The appropriate scrambler type is automatically selected.
The default scrambler types are:
•
Uncoded – ITU V.35 (Intelsat variant)
•
Viterbi, no framing – ITU V.35 (Intelsat variant)
•
Viterbi, EDMAC frame – Comtech proprietary, frame synchronized
•
Viterbi +RS or TCM/RS – Per IESS-308, frame synchronized
•
TPC – Comtech proprietary, frame synchronized
•
8-QAM TPC – ITU V.35 (Intelsat variant)
IESS-315-On
This applies only when TPC is installed and is selected as the FEC type
Off
No scrambling