6. Thanks

The following sites were helpful to create this mini-howto:

• FAQ Kabel, a german site, which describes a lot of cable faqs.
• Leased line mini howto on http://www.sput.nl/software/leased-line/
• The Linux Documentation Project Homepage
• Most important, a response to a question in news:comp.os.networking how to set up a pppd connection over RS232 by William H. Ball.