Comtech EF Data SDM-300A - Manual (Page 171)

SDM-300A Satellite Modem Revision 6
Front Panel Operation MN/SDM300A.IOM
5–77
FUNCTION SELECT: UTILITY: MODULATOR:MODULATOR TYPE
MODULATOR TYPE
INTELSAT OPEN
Transmit Filter Type: INTELSAT OPEN, EFD CLOSED, CSC CLOSED, FDC CLOSED,
or
SDM-51 COMPATIBLE
Notes:
1. Selectable only when EFD, ASYNC, AUPC or CUSTOM is selected for the modem
type in the Utility: Modem Type menu.
2. CSC CLOSED Modulator Type is not compatible with a 3/4 Code Rate and Sequential
Encoder Type combination.
FUNCTION SELECT: UTILITY: MODULATOR:
ENCODER TYPE (CONDITIONAL)
ENCODER TYPE
TURBO
Encoder Type: VITERBI , SEQUENTIAL or TURBO
Must have Viterbi, Sequential, and/or Turbo board/options enabled.
Notes:
1. Preset to Viterbi if modem type is IBS, IDR, or D&I.
2. A Sequential Encoder Type and a 3/4 Code Rate combination is not compatible with a
CSC CLOSED Modulator Type.
FUNCTION SELECT: UTILITY: MODULATOR:TX BPSK ORDERING
TX BPSK ORDERING
STANDARD
TX BPSK Bit Ordering: STANDARD or NON-STANDARD