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Utility:modulator:encoder type, Utility:modulator:scrambler type, Utility:modulator:tx bpsk ordering – Comtech EF Data SNM-1010L User Manual

Page 90

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SNM-1010L Data/Control Modem

Revision 0

Front Panel Operation

MN/SNM1010L.OM

3.4.5.4.1 UTILITY:MODULATOR:ENCODER

TYPE

ENCODER TYPE

VITERBI


Encoder type selection. Select VITERBI, SEQUENTIAL, or TURBO encoder type.

Notes:

1. Change in EFD, ASYNC, or Custom modem types only.
2. A Sequential Encoder Type and a 3/4 Code Rate combination is

not compatible with a CSC CLOSED Modulator Type.


Press[

←], [→], [↑], or [↓] to move the flashing cursor. Press [ENTER] to execute the

change.

3.4.5.4.2 UTILITY:MODULATOR:SCRAMBLER

TYPE

SCRAMBLER TYPE

INTELSAT V.35


Status Only.

Scrambler type selection. Select Intelsat V.35, FDC MOD V.35, EFD MOD V.35, ITU
V.35, TURBO SYNC, or Off.


• With RS Scrambler On: EFD MOD V.35
• With Turbo Scrambler On: Turbo SYNC


Press[

←], [→], [↑], or [↓] to move the flashing cursor. Press [ENTER] to execute the

change.

3.4.5.4.3

UTILITY:MODULATOR:TX BPSK ORDERING

TX BPSK ORDERING

STANDARD


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

Press[

←], [→], [↑], or [↓] to move the flashing cursor. Press [ENTER] to execute the

change.

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