Co. Ltd. Modem User Manual

CiM-550 IP Enabled Satellite Modem Rev. 2
Front Panel Menus CD/CIM550.IOM
29
SELECT\CONFIG\TX\DATA RATE
DISPLAY SELECTIONS/DESCRIPTION
EDIT TX DATA RATE:
2048.000 kbps(PRESS ENT)
Select the digit to be edited. Change the
value of the digit using the UP/DOWN
arrow keys, then press ENTER.
The overall range of data rates is from 2.4
to 2048 kbps.
Note: The minimum and maximum data
rates are dependent on
modulation type and FEC
encoder rate. If the user changes
the modulation or FEC, and the
currently selected data rate is
then invalid, it will be adjusted
automatically.
SELECT\CONFIG\TX\FEC TYPE
DISPLAY SELECTIONS/DESCRIPTION
SELECT FEC TYPE: VITERBI
SEQUENTIAL NONE (ENTER)
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.
SELECT FEC TYPE: VITERBI
SEQ TURBO NONE (ENTER
FEC screen displayed if the Turbo Codec
option is installed.
SELECT FEC ENCODER RATE:
1/2 3/4 7/8 (PRESS ENTER)
Note: If BPSK is selected, only
Rate 1/2 is permitted. A
warning screen appears if
this sub-branch is entered
when in BPSK mode.
If the Turbo Codec option is installed, the following menu will be displayed:
TX TURBO: 3/4-Q 21/44-B
5/16-B 3/4-OQ (ENTER)
FEC Rate (Turbo Only)
The Rate 3/4 OQPSK is new for
Version 1.19. (For further details,
see Appendix G - ‘FEC Options’.)