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