Comtech-ef-data MIDAS Version 4.X NMS Configuration Manuel d'utilisateur Page 136

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MIDAS 4.X NMS Configuration, Rev. 6
A-4 Frequency Translations
Figure A-3. MIDAS Ku-Band Transponder Setup Example
Note: Refer to Section 2, Initial Setup Procedures for descriptions of additional System
Setup parameters.
After System Setup parameters are set, clicking OK will cause the Controller to reboot with
the new parameters. Allow the Controller to reboot. The Controller will be in an exception
state because the Space Segment and Control Channel has yet to be defined. Connect to the
Controller with the NMS and select Bandwidth Administrator to set up the Space Segment.
Space Segment
Setup
Ensure 2.4 MHz of bandwidth and the Ku RX center frequency is 11.7325 GHz, define the
beginning and end of your space segment in IF by determining where it lies on the trans-
ponder with the following formula:
Transponder RX Center – RX Center = Offset below Transponder RX Center
or
RX Center - Transponder RX Center = Offset above Transponder RX Center
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