The HID reader is an iclass R15. HF. This is connected upto an Inner Range Integriti via an old Inner Range weatherproof terminal. The keypad and reader are parrallel, the weatherproof terminal is 4bit burst for PIN numbers. The reader and terminal avtivate an es2000 strike. The intercom is an iis 4wire intercom. The remote unlock for the intercom is wired into the request to exit for the door. The exit button is only enabled when the alarm system is disarmed, this stops the intercom being ripped off and the door unlock wires shorted to unlock the door. The other keypad on the door is a honeywell pin pad deadbolt,
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