backspace shows ^? in serial communications

[s m]

thanks Robert,
i try it before but nothing happened.
do you know how i can set erase and erase2 for stty via termios structure?
and what should be their value to backspace correct well?

On Wed, Feb 6, 2013 at 3:13 PM, Robert Bonomi <bonomi at mail.r-bonomi.com>wrote:

> > From owner-freebsd-questions at freebsd.org  Wed Feb  6 00:19:04 2013
> > Date: Wed, 6 Feb 2013 09:44:37 +0330
> > Subject: backspace shows ^? in serial communications
> > From: s m <sam.gh1986 at gmail.com>
> > To: freebsd-questions <freebsd-questions at freebsd.org>
> >
> > hi all
> >
> > i have a problem with backspace in serial communications. i have a
> > freebsd8.2 box with a serial card on it. when i connect to other freebsd
> > box via serial port backspace does not act as i expected. backspace shows
> > ^? on screen. i searched alot and find out that stty has two parameters
> > -erase and erase2- to identify erase characters in terminal and they
> should
> > be set correctly. i set erase and erase2 to ^? by "stty erase \^?" and
> > "stty erase2 \^?" commands but nothing happened.
> > please let me know how i can fix it. i know it is simple issue but i
> really
> > do not know how to do that.
>
>   stty erase {press the backspace key}
>
> Then hit the enter/return key
>