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Theory of operation, 1 theory of operation, Figure 4-1. m&c block diagram – Comtech EF Data SNM-1002 User Manual

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SNM-1002 LinkSync

 Modem

Revision 2

Theory of Operation

MN/SNM1002.OM

4–4

4.2.1

Theory of Operation

The M&C card is composed of the following subsections:

• Microcontroller with Universal Asynchronous Receiver/Transmitter (UART)
• Digital-to-Analog Converter (DAC)
• Read Only Memory (ROM)
• Analog-to-Digital Converter (ADC)
• Read Access Memory (RAM)
• Universal ASYNC
• User Interface
• Fault and Alarm Relays

MODEM

11 MHz
CLOCK

I C BUS

2

RAM AND

REAL

TIME

CLOCK

ROM

(M&C,
BULK,

BOOT)

FAULT

AND ALARM

RELAYS

MICRO-

CONTROLLER

DAC

ADC

EIA-232

OR

EIA-485

9-PIN

REMOTE

Figure 4-1. M&C Block Diagram

See also other documents in the category Comtech EF Data Equipment: