To find out what COM ports you have available for use on your PC, see below.
This will help you when trying to find out what COM ports you have used on your PC.
  1. On your PC, go to Start | Control panel | “System”.
  2. Then click on “Device manager”, you may need to click on the “Hardware” tab” first.
  3. Click “+” next to “Ports (COM & LPT)”, to expand the list.

  4. You will now see a list of COM ports available on your PC, for example, what we can see below is that the PC this screenshot was taken from has COM ports 6 & 7 available to be used for EPOS hardware.

Now bear this in mind when configuring your EPOS hardware, you might need to try these different COM ports to get things working.
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