Radyne DMDVB20 LBST, Installation And Operation Manual

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DMDVB20 LBST Satellite Modem User Interfaces
TM138 – Rev. 1.0 4-5
4.3.2 Modulator Menu Options and Parameters
NETWORK SPEC {CLOSED NET, DVB SAT}
The Network Spec Command sets a number of
parameters within the modem to meet a specification.
The purpose is to eliminate keystrokes and potential
compatibility problems.
Data rates not covered by a given network specification
will not be allowed. If the mode of operation is selected
after the data rate has been entered, then the data rate
must be compatible with the desired mode of operation
or the network spec will not be allowed. The following
parameters cannot be changed while the unit is in the
given mode of operation:
DVB: Per EN301-421 & En301-210
Data Rates: All Rates
Framing Type: DVB
Scrambler Type: DVB
Spectrum Mask: DVB 0.25, 0.35
Closed Net:
All possible combinations allowed, however, a DVB
setting requires the DVB network spec. Activates the
AUPC Menu.
STRAP CODE
{Refer to Strap Code Guide, Appendix H}
The Strap Code is a quick set key that sets many
modem parameters. Consult the strap code guide for
available strap codes. Parameters set by strap code:
Data Rate
Inner Code Rate
Satellite Framing
Scrambler
Outer Code Rate (Reed-Solomon)
Modulation
Network Spec
IF (menu)
FREQUENCY (MHz) {950 - 2050 MHz}
Allows the user to enter the Modulator IF Output
Frequency of the modem in 1 Hz increments.
UPLINK FREQ Displays the output frequency of the BUC also referred
to as Satellite uplink frequency. The user must enter the
BUC LO and OSC SIDE BAND before using this menu.