Theory of Operation
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5.1.2 Theory of Operation
The M&C card is composed of the following subsections:
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5–2
Figure 5-1. Display/M&C Block Diagram
Microcontroller
Digital-to-Analog Converter (DAC)
Read Only Memory (ROM)
Analog-to-Digital Converter (ADC)
RAM
Inter-modem communications
Front panel user interface
Remote communications (RS-232/RS-485) user interface
SDM-9000 Satellite Modem
RS-232-C
RS-485
Rev. 4
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