Radio Shack TRS-80 Modem II Operation Manuals page 7

Introduction
With
a
TRS-80®
Modem
II
your computer
or data terminal
can
communicate
with
other
computers or terminals via ordinary telephone
lines.
The
Modem
II
was
designed
to
work
with any
TRS-80 computer
or data terminal
that
has
RS-232-C
capabilities.
This
includes
TRS-80:
• Model
I
® Model
II
• Model
III
• Model
16
•
Color Computer
• DT-1
Data Terminal
You'll
need
some
software
—
any program
containing
RS-232
drivers
and
receivers
will
work.
Your
local
Radio Shack Computer
Store has several suitable programs, such
as
Videotex,
Terminal, and
the
Color
Computer
Videotex
Program
Pak.