Serial Mode
This page helps explain the usage of the serial mode utility on EMAC OE 5.X.
General Information
Serial Mode
The serial-mode command allows the user to switch between RS232, RS485, and RS422 modes on EMAC carriers that have a combination serial port.
Usage
Output of the serial-mode help command:
root@emac-oe:~#  serial-mode --helpUSAGE: serial-mode -p PORT [-m MODE] [-t TOGGLE] [-r RXEN] [-c FILE] [-h -l -s]
-c --config FILE   Use FILE as configuration file
-p --port PORT     Select PORT {names based on config file entries}
-m --mode MODE     Select MODE {'rs232','rs422','rs485','off'}
-t --toggle TOGGLE Select TOGGLE mode {'auto','manual'}
-r --rxen RXEN     Set rxen = RXEN {'0','1'}
-h -? --help       Help
Example usage (switching COM B to RS485):
developer@ldc:~#  serial-mode -p comb -m rs485Carrier Specifics
The combination serial port location varies depending on the carrier board:
COMC on carriers:
- 200
 - 210
 - 212
 
COMB on carrier:
- 150
 
COM0 on:
- iPAC
 
Source Code
The source code for the serial-mode command may be found at EMAC's public git here