Up to 32 additional points of entry may be added to Vikings model AES-2000 Accessible Entry System by adding the optional AES-NET board. One ES-3 One Wiegand device and a door strike or magnetic look of your choice is required for each additional entry point The ES-3 is an entry system door strike or magentic lock upon receiving a valid card read from a Wiegand device. The Wiegand device used may be the Viking model HID-1 Proximity Card Reader or any other card reader RF transmitter or digital keypad that ouputs the 26 bit Wiegand format. Up to codes can be programmed into the AES-200 and up to 1024 access entry events are logged and stored in the AES-200. Other programmable parameters like relay activation and delay times are also PC programmed via the AES-2000.