I am sorry for not getting back sooner. I just arrived home from an extended vacation. I will check around and see if others can help me answer you.
My understanding with JAWS is that it reads whatever is on the screen. I am familiar with the linear braille code found on the BANA site. Could you help me look by being more specific with what you mean by e-text? Are you trying to do e-mail? Downloadable books? etc?