hi... i'm trying to connect to a serial device (an iPaq) through minicom - i've configured the settings correctly but its unable to connect - just keeps showing me the status as "offline".

i can connect to the same device using hyperterminal simply by saying connect to COM1.

is there any such command in minicom? any alternative program i should try?

any help much appreciated, thanks!

"i've configured the settings correctly but its unable to connect - just keeps showing me the status as "offline"."

Are you using /dev/ttyS0

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Steve Stites

hmm, if you have a spare null modem cable handy, plug it between ttyS0 and ttyS1, put the following line in your /etc/inittab
S1:2345:respawn:/sbin/agetty 19200 vt100
then type 'init q'
and then make sure minicom is set for those settings then with minicom in one console, type killall agetty in another and you should get a prompt
ok, shoot me that's overly complex hit ctl ctl-A Z to find the settings and make sure baud rate, stop bits, etc... match on both devices

Did you ever have any luck with this?

I'm trying to connect to a Quatech box on Linux. I can do a manual loopback with a console window on the Quatech, but I cannot get the Quatech port to talk to Hypterminal on another Windows machine.

1. By default, minicom is not installed in Ubuntu, so you need to install it first.
sudo apt-get install minicom
2. Find the name of your Serial Port
dmesg | grep tty
In the output look for something like "tty". The output in my case is like this:
$ dmesg | grep tty
[ 17.341823] serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
[ 17.342454] 00:0b: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
This means the device correspond to my serial port is ttyS0.
3. Configure minicom
sudo minicom -s
* Use the keyboard keys to select the menu item Serial port setup.
* Enter A to change the Serial Device to /dev/ttyS0, and then enter E to change the line speed to 9600 8N1
* Using arrow keys, select Save setup as dfl
4. Select Exit from Minicom.
5. Next time, from the terminal you only need to run sudo minicom in order to access your Cisco box.

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I am not understanding from the previous posts how to get my serial data to display on my terminal. The minicom status bar reads offline. I am capturing data in my data file to which the input is written, but I need it displayed on the terminal as well.