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Serial Interface Specifications

Apollo SL50 / SL60 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 SL50/60 are listed in Table 5.

Instructions for configuring the serial port are included in the checkout procedure on page 22.

Table 5 RS-232 Serial Interface Selections

Selection RX/TX Comment

NONE/NONE -- No input or output

NONE/MAP TX Moving map data output

NONE/MAPCOM TX Moving map data output with SL40 comm data

PC / SETUP RX/TX Used for factory test

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 7. A sample output message is included in Figure 13.

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

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

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

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

Output rate: ....................................... approx 2 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 (1byte, 0Dh)

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

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Apollo SL Manual de instalación Pagina 55