Here's what I have Prolific USB-to-Serial Comm Port (COM3) Properties Bits per second: 9600Data Bits: 8Parity: NoneStop Bits: 1Flow Control: None   Putty Configuration COM3Bits per second: 9600Data Bits: 8Parity: NoneStop Bits: 1Flow Control: None

Ok, I'll try that now.

Yes sir, I did try with the 3750's as well using Tera Term and Putty, no change. Maybe all of my devices are bad, which would be very sad.  

Sadly, I feel you're correct. I did buy it blindly, because I did not know what would be best to use for a home lab based on what I could afford. I've lurked a lot on Ebay recently to see what I could get instead in an Auction.   Thanks for all the h...

So yes, I have two Cisco 3750's and a Cisco ASA 5520 that I tried the black cable with, but no connection. I went out a few minutes ago and found a light blue Cisco compatible console cable. There has been no change in my issue so far. I took the adv...