Comtech EF Data CDM-Qx Spécifications Page 76

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CDM-Qx Satellite Modem Revision 5
Front Panel Operation MN/CDMQx.IOM
5–22
(ConfigTxPwrCombined) – COMBINED TRANSMIT POWER
The combined power adjusts the level after all modulators in the chassis have been
combined. It has a range of –5 dBm to +5 dBm. This level is fixed, and is not adjusted by
AUPC.
(ConfigTxScram) – SCRAMBLER
The options are:
Default-On
the appropriate scrambler type is automatically selected
IESS-315-On
this only applies when Turbo is installed and has been selected as the FEC
type
Off
No scrambling
As before, the options are displayed all of the time, but the arrow keys will force
the cursor to skip past an unavailable choice.
The default scrambler types are:
Viterbi, no framing: ITU V.35 (Intelsat variant)
Viterbi, EDMAC frame: Comtech proprietary, frame synchronized
Viterbi + R-S or TCM/R-S: Per IESS-308, frame synchronized
TPC: Comtech proprietary, frame synchronized
(ConfigTxClk) – TX CLOCKING MODE
Select Int (Internal), Ext (External) or Loop-Timed, using the arrow keys, then
press ENT.
Scrambling:Default
-
O
n
IESS-315-On Off ( ,ENT)
Tx Clocking Mode: Int Ext
Loop-Timed ExtLoop ( ,ENT)
Tx Com
b
ined Output Power:
-3.9 dBm ( , ,ENT)
IMPORTANT
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