| 摘要 |
<p>A secure entry system for a building having a plurality of units provided therein, each of the units permitting only entry of a designated person thereto, the system comprising: an administration server operable to administrate a computer network system in the building; and at least one interconnecting device operable to connect the administration server and respective network devices in the plurality of units. The administration server sets the interconnecting device to assign a plurality of VLANs to each of the units, respectively, in such a manner that a VLAN assigned to one of the units is different from VLANs assigned to respective others of the units to provide secure entry to the units and the computer network system in the building. <IMAGE></p> |
