DC04-TCP WEBServer Four Door Controller 1. 4 doors, 4 Readers 2. 20,000 Card ... expiry date for clubs, automatic activation, interlock between two doors, time zones, supervision, anti-passback, activity reports... ... number of unsuccessful attempts, the time limit for door closing (door alarm), the duress code... Whenever required, ... TCP/IP IE WEB Based Four Door Access Control Panel, 4 doors / 4 readers