Comtech EF Data CIM-550 Installation And Operation Manual page 60

CiM-550 IP Enabled Satellite Modem
Front Panel Menus
SELECT\CONFIG\RX\DATA
EDIT RX DATA RATE:
64.000 kbps (PRESS ENT)
SELECT\CONFIG\RX/FEC
SELECT FEC TYPE: VITERBI
SEQUENTIAL
SELECT FEC TYPE: VITERBI
SEQ TURBO
DISPLAY
DISPLAY
NONE (ENTER)
NONE (ENTER
SELECT FEC ENCODER RATE:
1/2 3/4 7/8 (PRESS ENTER)
If the Turbo Codec option is installed, the following menu will be displayed:
TX TURBO: 3/4-Q
5/16-B 3/4-OQ (ENTER)
SELECTIONS/DESCRIPTION
The range is 2.4 to 2048 kbps.
Note: The minimum and maximum data rates are
dependent on modulation type and FEC
decoder rate. If the user changes the
modulation or FEC, and the currently
selected data rate is then invalid, it will be
adjusted automatically.
SELECTIONS/DESCRIPTION
Any FEC type except TURBO
If either the Reed-Solomon Codec option or the
Turbo Codec option are not installed, this menu will
be displayed.
VITERBI
SEQUENTIAL
NONE
FEC screen displayed if the Turbo Codec option is
installed.
VITERBI
SEQ
TURBO
NONE
Note:
FEC Rate (Turbo Only)
21/44-B
The Rate 3/4 OQPSK is new for
Version 1.19. (For further details,
see Appendix G - 'FEC Options'.)
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Rev. 2
CD/CIM550.IOM
If BPSK is selected, only
Rate 1/2 is permitted. A
warning screen appears if
this sub-branch is entered
when in BPSK mode.