Labels:text | screenshot | font | diagram | circle OCR: PC characters over INTERNET voice phone line Modem Modem Cor ISDN (or ISDN interface) Computer interface) 1 Dial-up shell account or commercial online service provider (won't work) PC TCP/IP over voice Modem phone line Modem INTERNET CONNECTION (or ISDN (or ISDN PROVIDER interface) interface) 2 PPP/SLIP account (On-demand internet link) TCP/IP over voice PC phone line Router Modem (leased) INTERNET CONNECTION (or ISDN PROVIDER interface) 3 Dedicated line (Full-time internet connection)
