Digital Voice Systems VC-20-ATC-10B Especificaciones descargar pdf (Pagina 98)

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 92

8.3.27 REM

The REM command is used to forward a command line from COM1 or

COM2 to the nibble interface. Any responses from the nibble interface, i.e.

command lines beginning with the greater than symbol, are forwarded to

the original command port.

Table 38: REM Command Syntax

ATTRIBUTE DESCRIPTION

SYNTAX REM [cmd_str]

PARAMETERS cmd_str Command String. Any sequence of characters and spaces.

FLASH NO

EXAMPLES Send the string ‘ABC 123’ to the nibble interface. Since the FAA20

doesn’t process the command, no response is provided directly by the

FAA20.

COM1: rem ABC 123

COM1:

Typically, this command is only used for special back-to-back vocoder

testing using a special adapter card. The back-to-back adapter card

enables a master FAA20 to communicate with a slave FAA20. The REM

command issued at the master is forwarded to the slave via the nibble

interface. The slave responds back to the master over the nibble interface.

The master reads the response and forwards it to the command port than

last issued the REM command.

While the scenario described above covers the master/slave FAA20

configuration, the REM command can be used to test the COM3 interface

with other host equipment. Note: Only command strings starting with a

greater than symbol (as the first no blank character) and ending with a

carriage return are forwarded from the nibble interface to the COM1/COM2

port.

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Digital Voice Systems VC-20-ATC-10B Especificaciones Pagina 98