Occasionally, I had to push down on the pins but the cable worked great. Be sure to use that COM port with port settings of 115200 N-8-1. ![]() Its called a USB Serial Port in Device Manager. When you plug the USB cable into a Windows machine, Plug-and-Play installs a new COM port for you. I used HyperTerminal to talk to the router. Instead, I laid the pins onto the header of the board and powered up the router. Intending to install the header to the WRT350N, I tried desoldering the filled-in serial port on the WRT350N, but my soldering skills are really poor and I was worried I'd damage the board. Using a leftover CD audio cable, I connected pins 2,3, and 5 from the header to the appropriate leads on the Radio Shack mini-plug jack. Next, I salvaged an ancient parallel port card and desoldered a 5x2-pin header. ![]() I also bought a box of mini-plug jacks from Radio Shack ("3-Conductor Stereo 1/8" Phone Jack") for a couple of bucks. Here's how I did it: I bought a USB cable with the proper voltage (TTL-232R-3V-AJ) from Mouser Electronics for ~$25US.
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