Comtech EF Data SDM-9000 - Manual (Page 109)

Operation SDM-9000 Satellite Modem
4–36 Rev. 4
SDM-9000 "TYPE"
VER: 6.1.1
FUNCTION SELECT
UTILITY
UTILITY
MODULATOR
ASSIGN TRANSMIT
FILTERS
MOD SPECTRUM MOD OPTION
MOD POWER
OFFSET
MOD POWER FIXED
OFFSET
TX MODULE FW
STATUS ONLY
See table below for code rate
and data rate range.
NORMAL
INVERT
STATUS ONLY
8PSK and 16QAM
HIGH STABILITY.
-40.0 to +40.0 dB (USER)
POWER OFFSET
Anything except 0.0 dB will
cause "(ADJ)" to be
displayed in the TX
POWER LEVEL screen.
STATUS ONLY
+20.0 TO -20.0 dBm
Displays the (FIXED) modulator
power offset from nominal
(HIGH PWR OPTION).
XXX.YYY.ZZZ
XXX.YYY.ZZZ = Firmware
number
MM/DD/YY = Month/Day/Year
TX FPGA FIRMWARE
FW/NNNNNN-DDR
FW/NNNNNN-DDR = Firmware
number
MM/DD/YY = Month/Day/Year
ACCESS TO
SUBMENU
CONDITIONAL OR
OPTION-DEPENDENT
Parameter Information
Key:
FILTER FIRMWARE
FW/NNNNNN-DDR
FW/NNNNNN-DDR = Firmware
number
MM/DD/YY = Month/Day/Year
TXA QPSK 3/4
32368.000 kbit/s
TXB QPSK 3/4 +RS
34368.000 kbit/s
Appended "+RS" indicates
Reed-Solomon calibrated.
TXC QPSK 3/4
44736.000 kbit/s
TXD QPSK 3/4
51840.000 kbit/s
Code Rate G.703 ECL/PECL MIL-STD-188
(Mbit/s) (Mbit/s) (Mbit/s)
QPSK 1/2 8.448, 32.064, 34.368 6.000 to 37.000 All code rates:
QPSK 3/4 All other All other 6.000 to 13.000
QPSK 7/8 code rates: code rates:
8PSK 2/3 32.064, 34.368 6.000 to 51.840
8PSK 5/6 44.736, 51.840
16QAM 3/4
16QAM 7/8
or N/A (not assigned)
Figure 4-11. Utility Modulator Menu