Descrambler Type - Comtech EF Data SDM-300L3 Installation And Operation Manual

SDM-300L3 Satellite Modem
Front Panel Operation
FUNCTION SELECT: UTILITY: DEMODULATOR:
DEMODULATOR TYPE (CONDITIONAL)
IMPORTANT
Receive filter type select. Select Type INTELSAT OPEN, EFD CLOSED, CSC
CLOSED, or FDC CLOSED network receive filtering.
FUNCTION SELECT: UTILITY: DEMODULATOR:
DECODER TYPE (CONTIONAL)
IMPORTANT
Decoder type selection. Select VITERBI, SEQUENTIAL, or TURBO decoder type. The
modem must have the proper hardware enabled.
FUNCTION SELECT: UTILITY: DEMODULATOR:

DESCRAMBLER TYPE

This menu is status only and displays:
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•
•
DEMODULATOR TYPE
INTELSAT OPEN
Conditional: RX FILTER TYPE is selectable only when Custom is
selected for modem type in the Utility: Modem Type menu.
DECODER TYPE
Conditional: Changes only when Modem Type (under Utility: Modem
Type) is in either EFD, Custom, or ASYNC mode.
DESCRAMBLER TYPE
INTELSAT V.35
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
VITERBI
4–96
Revision 1
MN/SDM300L3.IOM