Hello, has anyone of you the information to made an interface from LPT printer port to CW-key but using an isolated system?? Thanks in advance. 73 de Xavier,. EA3BHK ea3bhk@ctv.es -- Submissions: ct-user@contesting.com Administrative requests: ct-user-REQUEST@contesting.com WWW: http://www.contesting.com/ct/ Questions: owner-ct-user@contesting.com