Figure 3-18. utility demodulator menu – Comtech EF Data SDM-300L User Manual
Page 62

SDM-300L Satellite Modem
Operation
Rev. 2
3–21
SDM300L "TYPE"
VER: X.X.X
FUNCTION
SELECT UTILITY
UTILITY
DEMODULATOR
ASSIGN RX
FILTER
Refer to para 3.6.
RX TERMINAL LO
LO Freq of LNB
MIX = + If LO < Satellite Frequency
MIX = - If LO > Satellite Frequency
DEMODULATOR TYPE
INTELSAT OPEN
CSC CLOSED
FDC CLOSED
EFD CLOSED
DECODER TYPE
VITERBI
SEQUENTIAL
RX BPSK ORDERING
DEMOD SPECTRUM
NORMAL
INVERT
RX-RS INTERLEAVE
4, 8, or 16 Deep
RX IESS-310
ON
OFF
(8PSK 2/3 and Reed-
Solomon)
STANDARD
NON-STANDARD
ACCESS TO
SUBMENU
CONDITIONAL OR
OPTION-DEPENDENT
Parameter Information
Key:
LNB ALARM - LOW
O to 500 mA in1 mA steps
LNB ALARM - HIGH
0 to 500 mA in 1 mA steps
Note: The low limit must be
less than the high limit.
RS SYMBOL RATE
4.8 TO 2500 Ksps
Status only
Figure 3-18. Utility Demodulator Menu