ICS (Internet Component Suite) Francois Piette has several useful components:
http://www.overbyte.be/eng/products/ics.html
It will provide you with telnet protocol support, terminal emulator and some materials to help you create scripts. It is easy to use and all is free.
From the website:
TTnCnx - TELNET client protocol support.
TEmulVT - ANSI terminal emulation (e.g. TMemo, but with ANSI interpretation of escape sequences).
TTnEmulVT - TELNET ANSI . telnet .
TTnScript - TELNET. telnet (, ).
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