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Comtech EF Data SNM-1002 User Manual

Page 77

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SNM-1002 LinkSync

 Modem

Revision 2

Operation

MN/SNM1002.OM

3–37

3.4.5.2.1

DEMODULATOR:ASSIGN RECEIVE FILTERS

ASSIGN

RECEIVE FILTERS


Receive code rate/type as follows:

RX-A QPSK 1/2 19.200 kbps
RX-B QPSK 1/2 19.200 kbps
RX-C QPSK 1/2 19.200 kbps
RX-D QPSK 1/2 19.200 kbps
RX-V QPSK 1/2 19.200 kbps

Upon entry, the current transmitter rate is displayed.

3.4.5.2.2

DEMODULATOR: DEMODULATOR TYPE

DEMODULATOR TYPE

INTELSAT OPEN


Transmit filter type select. Select one of the following for network filtering:

Note:
Change in EFD, ASYNC, or Custom modem types only.

INTELSAT OPEN FDC

CLOSED

EFD CLOSED

SDM-51 COMPATIBLE

CSC CLOSED

Notes:

1. TX filter type is selectable only when CUSTOM is selected for the modem type in

the Utility Modem Type menu.

2. Code Rate 3/4 is not compatible with a combination of a CSC CLOSED

Modulator Type and Sequential Encoder.

3.4.5.2.3 DEMODULATOR:DECODER

TYPE

DECODER TYPE

VITERBI