Documents related to 'serial'
1992, RFC1334: PPP Authentication Protocols
1993, RFC1548: The Point-to-Point Protocol (PPP)
1993, RFC1549: PPP in HDLC Framing
1994, RFC1570: PPP LCP Extensions
1994, RFC1661: The Point-to-Point Protocol (PPP)
1994, RFC1662: PPP in HDLC-like Framing