Does the device function or have a connection which works on a serial port?
If the answer is, “Yes,” then you know that the device is a serial device, and the next few questions are very important ones. 2. Will it function on a USB port at all? If the answer is, “No,” be aware that you may have trouble connecting it to your computer, or a computer you purchase in the future. If the answer is, “Yes,” ask the following question: 3. Does it use a serial to USB converter? If the answer is, “Yes,” ask: 4. Does it use an “off the shelf” converter, such as a brand name model, which can be purchased online, or from a computer store? (Some brand names include Belkin, Keyspan, and Radio Shack) If the answer is, “Yes,” you may experience more difficulty with the product. 5. Is the product designed to be used with USB without an off-the-shelf converter? If the answer is, “Yes,” this is the product you will most likely be happiest with. Not only will the purchase of a product designed for USB be more reliable, easier to use, and protect your investment by interfacing to co
