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Access Expert EP1501 Controller Configuration


Using an EP1501 as a controller and unable to add reader one.

Product Line

Access Expert


  • Access Expert
  • Server 2012R2 and above


Using an EP1501 as a controller as well as a card reader controller.


To resolve the issue, please follow the steps listed:

  1. Wire the RS-485 bus to reader port 1, Clock and Data
  2. Wire the reader being used on port 2
  3. When programming the reader on the device, it needs to be added as Reader 1
  4. The Door Address needs to be set as 0 as well
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