USRobotics NETServer/8 - Manual (Page 13)

Overview 1-5
NETServer Overview
The NETServer allows you to implement four basic applications:
IP Terminal Service, IP modem sharing, IP/IPX Network Dial In,
and IP/IPX LAN-to-LAN routing. Everything else it does is
based on one of these four.
IP Terminal Service
Remote terminals can log into an IP host on the NETServer’s
local network as of they were physically connected to it. To do
this, the NETServer receives TTY terminal output (keystrokes)
over a dial up line. It then forwards the terminal output to the
host using a virtual terminal protocol (login service) like Telnet
or Rlogin. Since the connection is bi-directional, the terminal
also receives the host’s responses.