Internet connection options:

T1 – The Cadillac option is a T-1 connection – a direct, high-speed connection to the Internet that, depending on the details, can run after set-up costs anywhere from $600 a month well into the
thousands of dollars.
ISDN – ISDN service uses a separate telephone line and connects
at twice the speed of 56 kps modems. It gains speed by transmitting data as digital, rather than analog, signals. Providers quote prices ranging from $30 to $40 a month for the ISDN connection, plus a roughly equal amount for the separate ISDN telephone line, to as much as $175 a month.
DSL – DSL service runs from $200 to $300 a month, plus an
$850 set-up charge. In return, the user gets a connection up to
eight times faster than the 56k dial-up, and one that can serve
several work stations, unlike a dial-up service.
Cable Connection – Cable modems, not yet available here,
will cost an estimated $40 a month and offer speeds faster than
ISDN service, but generally slower than DSL. Providers have so far primarily marketed the service to residential consumers rather than
to businesses, and plan to keep their focus there.