An Epson ink-jet printer's connector fit, but 3Com's marketers don't mention that Bluetooth behaves like aserialport rather than a parallel one, making installation difficult and keeping many printers from reporting things like the status of ink cartridges or paper jams.
Traditionally, computers have aport to transfer video of their screen, and separate ports, such as USB (Universal Serial Bus), FireWire, and PCI Express (Peripheral Component Interconnect Express), among others that are less well known.
Early last week a security researcher who goes by the name someLuser published a blog post detailing his dissection of a DVR built by the security firm Swann, disassembling the device and running tests on it via its serialport.