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OM20 Universal Outdoor Modem
Frequency (MHz):
Uplink Frequency (MHz):
Power (dBm):
Carrier Control:
Spectrum:
Modulation:
Spectral Mask:
Compensation:
TM116 – Rev. 1.2
Allows the user to enter the Modulator IF Output
Frequency of the modem in 1 Hz increments.
Displays the output frequency of the BUC also referred
to as Satellite uplink frequency. The Radyne technician
must enter the BUC LO and OSC SIDE BAND before
using this menu. The UPLINK FREQUENCY is a
calculated measurement of both the BUC LO and OSC
SIDE BAND. Once the menus are entered correctly, the
user can control the uplink Frequency from this menu.
{-20 to -45 dBm}
Allows the user to enter the Transmitter Power Level.
{ON, OFF, AUTO, VSAT, RTS}
Allows the user to select the carrier type. Refer to
Appendix C for further information.
{Normal, Inverted}
Allows the user to invert the direction of rotation for PSK
Modulation. Normal meets IESS Specification. Spectral
inversion may be required if the BUC LO is higher in
frequency than the BUC output frequency. This creates
a spectral inversion and the IF spectrum must be again
inverted to compensate.
{QPSK, BPSK, OQPSK, 8PSK, 16QAM}
Allows the user to select the modulation type.
{Intelsat 0.35, DVB SAT 0.35, DVB SAT 0.25}
Allows the user to set the spectral shape of Tx Data
Filter
{0.0 – 1.0}
Allows you to offset output power by up to 1 dbm. This is
intended as a correction for user cabinet connectors.
Web Browser/Remote Protocol
6-18
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