The AP-510 or AP-520 card reader, with its RS-485 communication interface, is connected to AAN or AAM series controllers. The AP-550 system is significantly more cost effective than competitive access systems because it does not require installation and wiring of any access control panels.
The AP-510/520 reads the user’s encoded card, accepts a PIN input from the keypad (AP-520), buffers the data and sends it to the master controller when interrogated. The controller makes an access decision then sends the access granted/denied to the AP-510/520 slave reader. If access is granted, the AP-510/520 sends an encoded digital signal to the door where an ADA-10/11 door strike receiver releases the strike. The reader also collects the status of the door contact, tamper, exit push button, and auxiliary input, and then sends the changes of status to the master reader upon interrogation.
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