The APN-35 is a standalone two door controller used for connection of two Wiegand type card readers and all the necessary input and outputs associated with two access-controlled doors. The APN-35 can also be used for a single door operation with entry/exit readers and anti passback. The APN-35 supports standard proximity and other readers with Wiegand interfaces such as bar code, smart card, biometric, keypad, etc. The APN-35 also supports Magnetic stripe readers utilizing ABA Track 2 encoding.