Type: Other I believe it was RS232 connection. Since I don't have an environment to test it, I'm selling it as junk. For junk items, there is no guarantee of condition. The condition at the time of inspection is described. It may improve or worsen, but in any case, there is no guarantee of operation. Please understand this point before bidding. Please forgive me if there are any oversights. If you are nervous about this, please consider carefully before purchasing. For standard mail and Letter Pack, there is no compensation for postal accidents.