PPP 7 : Point-to-Point Protocol. PPP is the internet standard for serial communications. PPP defines how modem connection exchanges data packets with other systems on the internet
Young & Company Electric Power Products and Related Engineering Services, Glossary of Electrical Terms, http://www.youngco.com/young2.asp?ID=4&Type=3, CA., USA 2001. (Electr Sfty - Amer) {514}