Specifications

SDM-300L3 Satellite Modem Revision 0

Front Panel Operation MN/SDM300L3.IOM

4–87

FUNCTION SELECT: UTILITY: DEMODULATOR:

DESCRAMBLER TYPE

INTELSAT V.35

This menu is status only

and displays:

• With Overhead and IBS Descrambler ON: IBS SYNC

• With RS Descrambler On: EFD MOD V.35 or IBS SYNC

• With Turbo Descrambler On: TURBO SYNC

Intelsat V.35, FDC MOD V.35, ITU V.35, or Off.

Descrambler Type Description

Intelsat V.35 Self-SYNC scrambling per IESS-308.

FDC MOD V.35 Compatible with Fairchild modems.

ITU V.35 Closed Network Viterbi and Sequential with No Reed-Solomon.

OFF Descrambling is disabled.

IBS SYNC Intelsat per IESS-309.

EF MOD V.35 Comtech EFD proprietary descrambling for Closed Network with Reed-

Solomon On.

Turbo SYNC Turbo SYNC - Descrambler

FUNCTION SELECT: UTILITY: DEMODULATOR:

RX BPSK ORDERING

RX BPSK OREDERING

STANDARD

Receive BPSK bit ordering selection. Select STANDARD or NON-STANDARD.