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CDM-Qx Satellite Modem Revision 5
Front Panel Operation MN/CDMQx.IOM
5–45
5.6.1.9 (ConfigODU) – OUTDOOR UNIT (for L-Band Unit Only)
The ODU (Outdoor Unit) menu permits the user to choose between controlling and
monitoring either a BUC (Block Upconverter) or an LNB (Low-noise Block
downconverter). Select BUC or LNB, using the ◄ ► arrow keys, then press ENT.
(ConfigODUBUC) – BLOCK UPCONVERTER (BUC)
If BUC is selected, the following sub-menu is displayed:
Select M&C-FSK, DC-Pwr, 10MHz, Alarm, Delay, LO, or Mix, using the ◄ ► arrow
keys, then press ENT.
M&C-FSK
If an FSK-capable BUC is employed, this menu provides access to
a further set of menus that define the FSK setup, and use it for
control and monitor.
DC-Pwr (DC POWER) If a BUC supply is installed this menu permits the
user to turn DC power ON or OFF.
10MHz
This menu permits the user to turn the 10MHz frequency reference
for the BUC ON or OFF.
Alarm
This menu permits the user to define the upper and lower limits for
a current ‘window’. If the measured BUC current falls outside this
window, an alarm is generated.
Delay
This menu permits the user to define the carrier-on delay following
a power-up sequence.
LO
This menu permits the user to define the LO frequency used in the
BUC. This is then used in the display of RF frequency in the
ConfigTxFreq menu.
Mix
This menu permits the user to define the sense of the frequency
translation – either high-side mix or low-side mix.
ODU (Outdoor Unit):
BUC LNB (◄ ► ENT)
BUC:M&C-FSK DC
-
P
wr 10MHz
Alarm Delay LO Mix(◄ ► ENT)