Thanks for the reply.
This is the output.
root@ambeserver:/src/AMBEserver # ./AMBEserver -i /dev/ttyUSB0 -s 460800
AMBEserver: error when opening /dev/ttyUSB0: No such file or directory
I know that the port is correct because, AMBEtest works.
I am not sure what it is getting hung up on.
Chris Andrist, KC7WSU