CDM-625 Advanced Satellite Modem
Revision 1
Front Panel Operation
MN-0000036 (Ref MN/CDM625.IOM)
5.10.1.2
ODU: BUC:PwRef
Æ
LO Frequency
BUC-LO Frequency= 00000 MHz
Mix= High [-] (Hi,Lo)
(
34v
)
This menu permits the user to enter the BUC LO frequency for the up conversion. Entering a non-
zero value for BUC LO will cause the Tx-IF frequency menu to show LO and Satellite frequencies.
The
Mix
sets the polarity for the upconversion mix in the BUC:
•
High
indicates a high side, inverting mix;
•
Low
indicates a low side, non-inverting mix.
Satellite frequency = LO fre/- modem frequency.
Select the parameter to edit using the
◄
►
arrow keys. The valid LO range is 3000 to 65000
MHz; the available options are shown in parentheses. Use the
▲
▼
arrow keys to edit the setting,
then press
ENTER
when done.
5.10.1.3
ODU: BUC:PwRef
Æ
PSUmonitor
BUC Power Supply:
0000mA, 00.0V
This display shows the power supply current and voltage information. Press
ENTER
or
CLEAR
to return to the previous menu.
5.10.2 ODU: LNB:PwRef (Power Supply and Reference)
LNB control/monitor:
PSU-and-10MHz LO-freq PSUmonitor (
34
)
The modem can supply DC power to an LNB connected to the Rx N-type connector. It can also
supply a 10MHz reference for a phase-locked LNB.
5.10.2.1
ODU: LNB:PwRef
Æ
PSU and 10 MHz
LNB: Voltage=Off 10MHz:Off (Off,On)
Alarm limits, from 000 t0 500 mA (
34v
)
Select the parameter to edit using the
◄
►
arrow keys. The Voltage options are: Off, 13V, 18V,
or 24V. The other available options are shown in parentheses. Use the
▲
▼
arrow keys to edit the
setting, then press
ENTER
when done.
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