Comtech EF Data CDD-562L - Manual (Page 182)

CDD-562L/564 Demodulator with IP Module Revision 2
HTTP (Web Server) Interface MN/CDD564L.IOM
9–22
9.3.3.6 Demod | LNB
The ‘LNB’ hyperlink is available only on the CDM-562L/564L HTTP Interface.
Depending on the unit in use and the number of configured modulators on that unit,
the user with the means to control and monitor up to four Low-Noise Block
Downcoverters (LNBs), on a per-Demod basis, when connected to the
CDD-562L/564L.
When a Low Noise Block Down Converter (LNB) is installed, use this page to configure its
operating parameters and to view the LNB status for L-Band operation.
Figure 9-17. Demod | LNB page
LNB Configuration
• LNB DC Supply Voltage and LNB 10MHz Reference: Use the drop-down lists to turn
either function ON or OFF.
• LNB Current Alarm Upper Limit and LNB Current Alarm Lower Limit: Assign a value
(in mA) ranging from 0 to 500 for either function.
• LNB LO (Low Oscillator) Frequency: Assign a value (in MHz) to the LO Frequency, and
designate the value as a “+” (HIGH) or “–” (LOW) limit.
• LNB Voltage and LNB Current: Theese status fields are read-only and cannot be changed.
Click [Submit] to execute the changes made on this page.