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CDM-570/570L Satellite Modem with Optional IP Module Revision 4
Front Panel Operation MN/CDM570L.IOM
6–35
6.13 (CONFIG) ODU (CDM-570L ONLY)
In CDM-570L applications, 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 ENTER.
6.13.1 (CONFIG, ODU) BUC
If BUC is selected, the following sub-menu is displayed:
Select M&C-FSK, DC-Power, 10MHz, Alarm, LO or Mix , using the ◄ ►
arrow keys, then press ENTER.
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-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.
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 CONFIG Tx, Tx Frequency 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 (◄ ►,ENTER)
BUC: M&C-FSK DC-Power
10MHz Alarm LO Mix (◄ ►)