beautypg.com

Utility - demodulator – Comtech EF Data CIM-300L User Manual

Page 82

background image

CiM-300L IP Enabled Satellite Modem

Rev. 1

Front Panel Menus

CD/CIM300L.IOM

56

Utility - Demodulator

DISPLAY SELECTIONS/DESCRIPTION

UTILITY

DEMODULATOR


ASSIGN

RECEIVE FILTERS


Receive code rate/type selection. Select one
of the following or a variable rate selection (V),
as follows:

RX-x QPSK ½

Code Rate

Data Rate Range

BPSK 1/2

2.4 to 1250 kbit/s

QPSK 1/2

4.8 to 2500 kbit/s

QPSK 3/4

7.2 to 3750 kbit/s

QPSK 7/8

8.4 to 4375 kbit/s

8PSK 2/3

64 to 5000 kbit/s

OQPSK 1/2

4.8 to 2500 kbit/s

OQPSK 3/4

7.2 to 3750 kbit/s

OQPSK 7/8

8.4 to 4375 kbit/s

BPSK 1/1

4.8 to 2500 kbit/s

QPSK 1/1

9.6 to 5000 kbit/s

Notes: 1. Max Symbol Rate: 2500 kbit/s

2. Max Data Rate for Low Var Rate:
512.0 kbit/s.

RX TERMINAL LO

0 MHz MIX:-


Enter
“+” for high mix
Or
“-” for low mix

DECODER TYPE

VITERBI


Select Decoder type
VITERBI
SEQUENTIAL

DESCRAMBLER TYPE

INTELSAT V.35


Select Descramling type
INTELSAT
V.35

RX BPSK ORDERING

STANDARD


Select BPSK Bit Ordering
STANDARD
NON-STANDARD