The AP-600 series reader, with its RS-485 interface, is typically used as a slave reader with Apollo AAN-32/100 master controllers or as an OEM reader. Up to 96 readers can be multi-dropped from the AAN-100 controller. RS-485 reader systems are significantly more cost effective because they do not require installation and wiring of any door controllers (reader interfaces) or their associated power supplies and enclosures. Since all door wiring is short and terminates at the reader, the system is more reliable and makes installation and maintenance easier. The AP-600 is capable of reading proximity cards.
The AP-600 reads the user’ s encoded card, accepts a PIN input from the keypad (AP-620/625), buffers the data and sends it to the master reader or controller when interrogated. The AAM-20/80 and AAN-32/100 master controllers make an access decision then sends the access granted/denied to the slave reader. If access is granted, the reader releases the strike (using internal relay or an optional external ADA-10/11 door strike receiver). 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 controller upon interrogation.