Tx Bpsk Ordering; Function Select: Utility: Modulator: Mod Spectrum - Comtech EF Data SNM-1001L Installation And Operation Manual

SNM-1001L Satellite Modem
Front Panel Operation
FUNCTION SELECT: UTILITY: MODULATOR: SCRAMBLER TYPE
This menu is status only and displays:
•
•
Intelsat V.35, FDC MOD V.35, ITU V.35, or Off.
Intelsat V.35
FDC MOD V.35
ITU V.35
OFF
EF MOD V.35
Turbo SYNC
FUNCTION SELECT: UTILITY: MODULATOR: TX BPSK ORDERING
TX BPSK bit ordering selection. Select STANDARD or NON-STANDARD.

FUNCTION SELECT: UTILITY: MODULATOR: MOD SPECTRUM

Programmable vector rotation allows the operator to select NORMAL or INVERT for spectrum
reversal of the I and Q baseband channels.
SCRAMBLER TYPE
INTELSAT V.35
With RS Scrambler On: EFD MOD V.35 or IBS SYNC
With Turbo Scrambler On: TURBO SYNC
Scrambler Type
Self-SYNC scrambling per IESS-308.
Compatible with Fairchild modems.
Closed Network Viterbi and Sequential with No Reed-Solomon.
Scrambling is disabled.
Comtech EFD proprietary scrambling for Closed Network with Reed-
Solomon On.
Turbo SYNC - scrambler

TX BPSK ORDERING

MOD SPECTRUM
STANDARD
NORMAL
4–63
MN/SNM1001L.IOM
Description
Revision 1