Comtech EF Data OM20 User Manual
Page 110

OM20 Universal Outdoor Modem
Web Browser/Remote Protocol
MN-OM20– Revision 5
6–36
Allows the user to select the location of the LNB LO. The user
must enter the location of the LNB LO in order for the UPLINK
FREQUENCY to be displayed correctly. The LNB LO can be
either higher or lower in frequency than the LNB output
frequency. If the LNB LO is higher in frequency then the user
must enter HIGH SIDEBAND.
10 MHz LNB Reference:
{ENABLED, DISABLED}
Allows the user to enable or disable the 10 MHz BUC reference
clock.
LNB Voltage
{ENABLED, DISABLED}
Allows the user to enable/disable LNB supply voltage.
Low Alarm Thrsh (Volts)
This menu allows the user to establish the lower voltage
threshold limit of the LNB. If voltage falls below this limit, an
alarm will flash.
High Alarm Thrsh (Volts)
This menu allows the user to establish the upper voltage
threshold limit of the LNB. If voltage exceeds this limit, an
alarm will flash.
Low Alarm Thrsh (Amps)
This menu allows the user to establish the lower current/amp
threshold limit of the LNB. If current falls below this limit, an
alarm will flash.
High Alarm Thrsh (Amps)
This menu allows the user to establish the upper current
threshold limit of the LNB. If current exceeds this limit, an
alarm will flash.
Voltage Select
{13 VDC, 15 VDC, 18 VDC, 20 VDC}