Table of Contents
Advertisement
User Interfaces
STRAP CODE
IF (menu)
FREQUENCY (MHz)
POWER (dBm)
CARRIER
SPECTRUM
MODULATION
SPECTRAL MASK
4-6
DVB: Per EN301-421 & En301-210
Data Rates:
Framing Type:
Scrambler Type:
Spectrum Mask:
Closed Net:
All possible combinations allowed, however, DVB
settings requires the DVB network spec. Activates the
AUPC Menu.
{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
Drop and Insert
Outer Code Rate (Reed-Solomon)
Modulation
Network Spec
{50 – 90 MHz, 100 – 180 MHz, or 950 - 2050 MHz}
Allows the user to enter the Modulator IF Output
Frequency of the modem in 1 Hz increments.
{0 to -25 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 E for further information.
{NORMAL, INVERTED}
Allows the user to invert the direction of rotation for PSK
Modulation. Normal meets the IESS Specification..
{QPSK, BPSK, OQPSK, 8PSK, 16QAM}
Allows the user to select the modulation type.
{Intelsat 0.35, DVB SAT 0.35, DVB SAT 0.25, DVB
SAT 0.20}
Allows the user to set the spectral shape of Tx Data
Filter.
DMD50 Universal Satellite Modem
All Rates
DVB
DVB
DVB 0.25, 0.35
TM118 – Rev. 1.1
Advertisement
Table of Contents
