You may have noticed your TV has a port marked RS-232 on the back that doesn't look like any other connector you have. Here's what it's for.

Your TV's RS-232 port is a powerful automation tool - how to unlock it (and what it can do) ...

What is RS-232? Why was RS-232 important? Take our poll and see what others think of RS-232. RS-232 (Recommended Standard 232) was introduced in 1960 for serial communication transmission of data.