Comtech EF Data DMD1050TS Installation And Operation Manual page 161

7.7.2.5 Receive |ODU-LNB Page
Receive | ODU-LNB Page
LO Frequency (MHz)
10 MHz LNB
Reference
Osc Side Band
LNB Voltage
Low Alarm Thrsh
(Volts)
Low Alarm Thrsh
(Amps)
High Alarm Thrsh
(Volts)
High Alarm Thrsh
(Amps)
Voltage Select
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Figure 7-22. Receive | ODU-LNB Page Example
Frequency in MHz
•
DISABLED
•
ENABLED
•
LOW SIDEBAND
•
HIGH SIDEBAND
•
DISABLED
•
ENABLED
•
0.00
•
0.00
•
0.00
•
0.00
•
13 VDC
•
15 VDC
•
18 VDC
•
20 VDC
•
VDC SENTINEL
•
(optional)
7–39
DMD1050TS Satellite Modem Board
Use to enter the Local Oscillator frequency in MHz to cause
the downlink frequency to show correctly.
Refer to the LNB manufacturer's specifications.
Enable or disable the 10 MHz BUC reference clock.
Use to select the location of the LNB LO. Enter the location
of the LNB LO to cause the UPLINK FREQUENCY to show
correctly. The LNB LO can be higher or lower in frequency
than the LNB output frequency. If the LNB LO is higher in
frequency, then you must enter HIGH SIDEBAND.
Enable or disable the LNB supply voltage.
Use to select the lower alarm limit/threshold for the LNB
voltage.
Use to select the lower alarm limit/threshold for the LNB
current.
Use to select the high alarm limit/threshold for the LNB
voltage.
Use to select the high alarm limit/threshold for the LNB
current.
Use to select the voltage required by the LNB.
Refer to the LNB manufacturer's specifications.
Revision 1
MN-DMD1050TS