Config: Tx) Scr (Scrambling) - Comtech EF Data CDM-570A Installation And Operation Manual

CDM-570A/570AL Satellite Modem with Optional Packet Processor
Front Panel Operation
(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
to select Nom or Max. Press ENTER.
Parameter
Nom
Max
(CONFIG: Tx) Output Power Level Mode: CnC-APC
See Sect. G.6.7 CnC-APC Setup in Appendix G. D
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
Default-On
IESS-315-On
Off
Description
(Nominal Power) The output level reverts to the nominal power level set under Manual.
(Maximum Power) The output level changes to the maximum permitted.
Description
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)
•
This applies only when TPC is installed and is selected as the FEC type
No scrambling
OUBLE
6–21
MN-CDM570A
Revision 3
◄ ►
arrow keys
T C - -C
ALK ARRIER IN ARRIER