Master Door Control Panel Spare PCB Assembly. Maximum of 2 doors using the majority of reader, keypad and biometric technologies including TDSi® Microcard, eXprox®, Optica® and those with standard clock & data, Wiegand and HID® standard 37-bit (H10302) output formats. 4 changeover relay outputs (30V, 2A contact rating) in total; 1 used per door for lock strike, the remaining free outputs for controlling other equipment; can be increased with the use of eXin/eXout module. RS-232, RS-485. PCBs are supplied as spares only. UID of original PCB is required upon order.