... lock, door sensor, alarm, exit button, or bell.Wiegand Output for connections to 3rd party access control panels.Related Port ... 10.02000mAh backup batteryOptionalCommunicationTCP/IP, USB Host, RS232/485, Wiegand Out, Access ControlInterface for 3rd party Electric Lock, Door ... 302 Optional), Automatic Status Switch, Self-Service Query, Work Code, T9 input, 9 digit user ID, DLSTAccess control interfaces ...