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

Page 62

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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