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ER505 p   ER505
  Single- Access Portal Interface Unit
  The ER505 is a RS-485 dual access reader interface unit designed for 2 sets of door access functions in a single interface board. It is useful for doors/access portals that are of close proximity. It functions similarily like the ER 502.
  orange button4 RS 485 connectivity
  orange button4 Support up to 7 different card format
  orange button4 Customer Code support for higher security
  orange button4 10 Off Line supervisory card