The edge router comes with a console port where you can see all the information from startup to any error message.
I have had some trouble finding linux on how to set the minicom to see what the router console looks like.
The correct settings go into the configuration file. /etc/minicom/minirc.dfl
pu port /dev/ttyUSB0
pu baudrate 115200
pu bits 8
pu parity N
pu stopbits 1
pu rtscts No
pu xonxoff No
source of information: here
On your linux may differ in serial port so i recommend you to look for it so:
root@debian:~# setserial -g /dev/ttyS
/dev/ttyS0, UART: 16550A, Port: 0x03f8, IRQ: 4
/dev/ttyS1, UART: unknown, Port: 0x02f8, IRQ: 3
/dev/ttyS2, UART: unknown, Port: 0x03e8, IRQ: 4
/dev/ttyS3, UART: unknown, Port: 0x02e8, IRQ: 3
I hope the information was helpful. An excellent day.