LF converted to CRLF when I append string to port ?

When I perform the following: append port s a single LF is converted into CRLF How can I prevent this from happening ? Phil. ********************************************************************** This email and any attachments may be confidential and the subject of legal professional privilege. Any disclosure, use, storage or copying of this email without the consent of the sender is strictly prohibited. Please notify the sender immediately if you are not the intended recipient and then delete the email from your inbox and do not disclose the contents to another person, use, copy or store the information in any medium. **********************************************************************

Found the answer open all ports with binary switch !!