ocr: charactersover INIERNET PC line Modem voice phone Y 1 Modem (or ISDN LL (or ISDN interface) Computer interface) UL Dial-up shell account or commercial online service provider (won't work) TCP/IP over voice PC Modem phone line Modem INIERNET LUNNECTIUN (or ISDN 1 1 (or ISDN PRUYIDER E interface) interface) PPP/SLIP account On-demand internet link) TCP/IP over voice phone line PC Router Modem (leased) INIERNET LUNNECTIUN 2 PRUYIDER (or ISDN 1 - - - 1 IL interface) Dedicated line (Full-time internet connection)
