Comtech EF Data SDM-300A - Manual (Page 176)

SDM-300A Satellite Modem Revision 6
Front Panel Operation MN/SDM300A.IOM
5–82
FUNCTION SELECT: UTILITY: DEMODULATOR:DEMODULATOR
TYPE (CONDITIONAL)
DEMODULATOR TYPE
INTELSAT OPEN
IMPORTANT
Conditional: DEMODULATOR TYPE is selectable only when EFD,
Custom, ASYNC, or AUPC is selected for modem type in the Utility:
Modem Type menu.
Receive Filter Type: INTELSAT OPEN, EFD CLOSED, CSC CLOSED, or FDC CLOSED
Notes:
1. RX FILTER TYPE is selectable only when Custom is selected for modem type in the
Utility Modem Type menu.
2. CSC CLOSED Demodulator Type is not compatible with a 3/4 Code Rate and Sequential
Decoder Type combination.
FUNCTION SELECT: UTILITY: DEMODULATOR: DECODER TYPE
(CONDITIONAL)
DECODER TYPE
VITERBI
IMPORTANT
Conditional: Must have Viterbi, Sequential, and/or Turbo
board/options enabled.
Decoder Type: VITERBI, SEQUENTIAL, or TURBO
Preset to Viterbi when modem type is IBS, IDR, or D&I.
Note: A Sequential Decoder Type and a 3/4 Code Rate combination is not compatible with a CSC
Closed Demodulator Type.