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Figure 3-17. utility modulator menu – Comtech EF Data SDM-300L User Manual

Page 61

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Operation

SDM-300L Satellite Modem

3–20

Rev.

2

SDM300L "TYPE"

VER: X.X.X

FUNCTION

SELECT UTILITY

UTILITY

UTILITY

MODULATOR

ASSIGN TX

FILTER

ACCESS TO

SUBMENU

Parameter Information

Key:

SINGLE CODE

DATA RATE

(Modems Only)

Refer to para 3.6.

TX TERMINAL LO

LO Frequency of BUC

MIX = + If LO < Satellite Frequency

MIX = - If LO > Satellite Frequency

MOD POWER OFFSET

-99.9 to +99.9 dB

in 0.1 dB steps

[Anthing, except 0.0 dB

will cause "ADJ" to be displayed

in the TX power level screen.]

MODULATOR TYPE

INTELSAT OPEN

CSC CLOSED

FDC CLOSED

SDM51 COMPATIBLE

EFD CLOSED

ENCODER TYPE

VITERBI

SEQUENTIAL

TX BPSK ORDERING

STANDARD

NON-STANDARD

MOD SPECTRUM

NORMAL

INVERT

CONDITIONAL OR

OPTION-DEPENDENT

TX-RS INTERLEAVE

ODU - HIGH

4, 8, or 16 Deep

0 to 4000 mA in 1 mA steps

TX/RX L-Band Modem only

TX IESS -310 MODE

ODU ALARM - LOW

ON

OFF

(8PSK 2/3 with

Reed-Solomon option only)

0 to 4000 mA in 1 mA steps

TX/RX L-Band Modem only

TX SYMBOL RATE

4.8 to 2500 Ksps

(Status only)

Figure 3-17. Utility Modulator Menu