Comtech EF Data CDD-562AL - Manual (Page 200)

CDD-562AL/564A/L Multi-Channel Demodulator Revision 0
HTTP (Web Server) Interface MN-CDD562AL564AL
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10.5.9 Configuration | LNB (L-Band Demodulators only)
You can control and monitor a maximum of four Low-Noise Block Down Converters (LNBs) connected
to the L-Band CDD-56xAL units. This depends on which unit is in use, and the number of configured
modulators on that unit.
When an LNB is installed, use this page to configure its operating parameters and to see the LNB status
for L-Band operation.
Figure 10-11. Configuration | LNB page
L NB C ontrol
Select a demodulator, then set these paramaters:
LNB DC Supply Voltage
Select Off, or 13 or 18 volts.
LNB 10MHz Reference
Select On or Off.
LNB Current Alarm Lower Limit
Set the value in mA; Range is 10 through 400.
LNB Current Alarm Upper Limit
Set the value in mA; Range is 50 through 600.
LNB LO Frequency
Set the Low Oscillator frequency in MHz, and select High(-), or Low(+).
When finished, click Submit to save and activate these changes.