Digital Voice Systems VC-20-ATC-10B Specifikace Strana 11

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FAA20 Embedded NEXCOM Vocoder
Board Manual
This manual has been prepared for the Federal Aviation Administration.
FA100-00107 (March 2004) Rev 1.0.0 Page 5
3.0 CONNECTORS, CONTROLS, AND INDICATORS
This section provides detailed information on the FAA20 connectors,
controls and indicators. The following topics are included:
Main Signal Connector. Provides signal pinouts and descriptions for
the DIN 41612 connector (96 pins).
Terminal Connectors. Provides signal pinouts and descriptions for
the DB9F connectors (9 pins 2 each).
Audio Connectors. Provides signal pinouts, descriptions, and
specifications for the two 1/8” audio jacks.
LED Indicators. Describes the default functions for each of the 6
LED indicators. Note: The FAA20 supports programmable LEDs.
Switch Controls. Describes the function of each of the 8 hardware
slide switches.
Figure 1 shows the location of FAA20 connectors, controls and indicators.
3.1 Main Signal Connector
The DIN 41612, 96-pin connector (male) is the main FAA20 signal
connector. It includes audio, PCM, nibble, power, and controls/status
signals. Figure 2 provides a pin location diagram. Table 1 contains a list of
DIN signals. All signals are compatible with standard +5V TTL interfaces.
Figure 2: DIN 41612 Connector Diagram
Note: The FAA20 printed circuit board silkscreen includes the row and pin labels.
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