Installation manual

Serial Interface Specifications

Apollo GX50/60/65 Installation Manual

APPENDIX E - SERIAL INTERFACE SPECIFICATIONS

This appendix includes the RS-232 serial port interface specifications.

The RS-232 serial interface configurations supported by the GX50/60/65 are listed in Table 5.

Instructions for configuring the serial port are included in the checkout procedure on page 25.

Table 5 RS-232 Serial Interface Selections

RX TX Comment

NONE NONE No input or output

NONE MOVMAP Moving map data output

NONE MAPCOM Moving map data output with SL40 comm data

ALTENC NONE Altitude encoder-converter data input, no output

ALTENC MOVMAP Altitude encoder-converter data input, moving map data

output

ALTENC MAPCOM Altitude encoder-converter data input, moving map data

output with SL40 comm data

KEYPAD NONE Keypad data input

KEYPAD MOVMAP Keypad data input, moving map data output

KEYPAD MAPCOM Keypad data input, moving map data output with SL40

comm data

FADC MOVMAP Fuel / Airdata input, moving map data output.

PC SETUP Used for factory test

NONE MovMap Argus 3000, 5000, 7000 and Shadin Digiflow, Miniflow,

Microflow

MOVING MAP OUTPUT

The format of the moving map data output is as follows. Definitions of the output data is

included in Table 6 and Table 9. A sample output message is included in Figure 18.

Baud rate: ..........................................9600

Data bits: ...........................................8

Stop bits: ...........................................1

Parity: ...............................................none

Output rate: .......................................approx. 1 seconds

Message length: ................................variable, approx. 83 to 484 characters

The serial output messages are in the following format.

<STX> ..............................................ASCII “start of text” character (1 byte, 02h)

<id> ..................................................item designator (1 byte, from following table)

<data> ...............................................item data (format listed in following table)

<it> ...................................................item terminator (1 byte, 0Dh)

<ETX> ..............................................ASCII “end of text” character (1 byte, 03h)