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CDM-600L Satellite Modem
Front Panel Operation
Use the [←] [→] arrow keys to select either TARGET-EbNo/RANGE or ALARM
ACTION, then press ENTER
If TARGET-EbNo/RANGE is selected, the following menu will be displayed:
MINIMUM EbNo OF REMOTE MODEM = 5.0dB
MAXIMUM PERMITTED POWER INCREASE = 9dB
Edit Procedures:
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•
•
If ALARM ACTION is selected, the following menu will be displayed:
MAX TX PWR ACTION = NONE
REM DEMOD UNLOCK ACT = NOM-PWR(NOM, MAX)
Select the action that will occur if the AUPC causes the maximum output power level to be
reached, either NONE or Tx ALARM.
Select the action that will occur if the remote demod is unlocked. The choices are: NOM-
PWR (Nominal Power), where the output level will revert to the nominal power level set
under MANUAL, or MAX-PWR, (Maximum Power), where the ouput level will change to
the maximum permitted.
Press ENTER.
CONFIG: TX: ENCODER
ENCODER = TPC (NONE,VIT,SEQ,TCM,TPC,LDPC)
REED-SOLOMON= OFF (ON,OFF)
Select the parameter to edit using the [←] [→] arrow keys. The Encoder options are shown
in the parentheses. Select using the [↑] [↓] arrow keys, then press ENTER. The choices
are:
•
•
•
Edit the target Eb/No of the remote modem. The default value is 3.0 dB, and upper
limit is 9.9 dB.
Edit the maximum permitted increase in power level when in AUPC mode. The
default value is 1dB, and upper limit is 9 dB.
Press ENTER.
Viterbi
Sequential
Trellis Coded Modulation – 8-PSK Rate 2/3 only (FAST option)
(NONE, TX-ALM)
6–10
Revision 2
MN/CDM600L.IOM
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