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Using the Serial Port
34
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5 Using the Serial Port
The Communications Module has a serial port which can be used to perform the following operations:
1
Execute Linux commands
— for example, to change directory “cd”, check memory usage “cat
/proc/meminfo”, process statistics “ps”.
2
View and edit the flash contents.
3
Configure mandatory parameters of the WEBS-PA-1.
To use the WEBS-PA-1 using a serial port:
1
Connect a null modem serial cable from the serial port on the Communications Module to an
available COM port on the PC.
2
Launch the preferred console/terminal application (e.g., HyperTerminal or TeraTerm) on the PC
and specify the following:
•
Baud rate:
115200 bps
•
Data bits:
8
•
Parity:
None
•
Stop bits:
1
•
Flow control:
None
3
Change the current working directory to /flash using the command cd /flash
4
Create or Edit the configuration file (configdbfile.txt) using the
vi
editor.
5
Run the configuration application to update the Communications Module configuration as follows
configApp <username> <password> <name of configuration file>
For example: configApp admin admin@123 configdbfile.txt
The configuration file requires a name=value pair separated by a new line. A
“+” character is treated
as comment in the file.
An example of configuration file is shown in Appendix C: Sample Serial Configuration File
Содержание WEBS-PA-1
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