VIRDI 4000 TM User’s Manual 14UNION COMMUNITY Co., Ltd. 44-3 Hyundai Topics Building, Bangi-dong,Songpa-gu, Seoul, Korea 138-050, Tel: 82-2-6488-3000, Fax: 82-2-6488-3099,E-Mail:sales@unioncomm.co.kr, http://www.unioncomm.co.kr/eng2. Introduction2.1. Features Access control system using LAN- Communication between the unit and authentication server is done via aUTP cable and TCP/IP protocol, so an existing LAN can be used as it is. Itguarantees network-based administration and monitoring as well as easyexpansion, high reliability, and higher speed. Convenient Auto Sensing function- Simple authentication process without any key input; simple fingerprinttouching is sufficient. Simple authentication using fingerprints- Fingerprint authentication technology protects users from forgottenpasswords or cards, stolen keys or cards, etc., which is a good way toimprove security levels. High processing capacity of terminal and server- There is not any limit on management of users’ access information in caseswhere an access server is used. Even in standalone operation, by usingthe local terminal, it is possible to manage fingerprint authentication ofmore than 8,000 users (in optional cases). Various information messages- Ensures easy fingerprint recognition because voice and LCD windowinformation are provided during the authentication process. In addition, thebacklight installed in the LCD window helps with easy key operation whenit’s dark. Door phone- Easy visitor identification and convenient response. Various and flexible access controls- No risk of loaning, forgery, or loss of keys or cards.- Perfect control by assigning different security clearances to each user orgroup.- Flexibility provided by allowing limited time for entry/exit.- Low maintenance.- No need to issue cards for visitors. Various applications including access control, time & attendance, meal control,etc.- Various operation modes depending on the terminal menu settings.