Serial Port Lights Utility

This .Net application allows you to open a com port and raise/lower DTR and RTS and show the status of the DSR, CTS and DCD handshake lines.

Screenshot:

Serial Port Lights screen shot

 

Download Link
Serial Port Light Utility

 

Features
Raise and lower DTR and RTS. Show the status of DSR, CTS and DCD.

Requirements:
Microsoft(R) Windows(R) XP Pro or 7.
Microsoft .Net framework 3.5 installed.
Free Comm port on PC