By integrating network communication capability and conventional telephone line communication in a single unit, the DX-2000 provides and efficient one-stop communication solution that offers the best of both worlds. A built-in LAN interface with TCP/IP protocol lets you send a fax as e-mail via the Internet or Intranet while a Super G3 33.6 Kbps high-speed fax modem lets you send a fax through an existing PSTN line.