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Apr 19, 2010 - Question about Simplex Kaba Ilco Unican 1000 keyless lock ... the grand master authorization card is swap it shows a message that says ''reader error or invalid keycard''. .... How to reset grand master keys front desk unit 780.
There is no card reader on most models of the Optiplex 780. There may be a card reader on the SFF unit. The MT, desktop and USFF do not include a card reader. You can add a 3.5" internal card reader to the MT or desktop models for under $20. You could use an external USB card reader with any Optiplex 780.
There are several popular type of keycards in use and include the mechanical holecard, bar code, magnetic stripe, smart card (embedded with a read/write electronic microchip), and RFID proximity cards. The keycard is used by presenting it to a card reader; swiping or inserting of mag stripe cards, or in the case of RFID cards, merely being brought into close proximity to a sensor.