Comtech EF Data CDM-570 - Modem | LNB (Low-Noise Block down Converter; Figure L-6. Modem | LNB Page

CDM-570/570L Satellite Modem with Optional IP Module Revision 12
Appendix L MN/CDM570L.IOM
L–17
BUC Status
Use the drop-down menu to set the BUC PLL Alarm as Locked, Unlocked, or N/A. The
remaining values displayed in this section are read-only and cannot be changed.
Click [Submit] to save any changes made to this page.
L.5.2.2 Modem | LNB (Low-Noise Block Down Converter)
Use this page to configure Low-Noise Block Down Converter parameters, and display the LNB
status for L-Band operation.
Figure L-6. Modem | LNB page
LNB Configuration
• Use the drop-down menus to set the LNB DC Supply Voltage to Off, 13_Volts, 18_Volts,
or 24_Volts.
• Use the drop-down menus to set the LNB 10 MHz Reference to On or Off.
• Assign LNB Current Alarm Upper and Lower Limit values ranging from 0 to 600 mA.
• Assign LNB LO (Lockout) Frequency and designate the value as a HIGH (+) or LOW (–)
limit.
The LNB Voltage and LNB Current values displayed in this section are read-only and cannot
be changed.
Click [Submit] to save any changes made to this page.