UL 1981 Ed. 2 (2003)被替代
Central-station Automation Systems
出版：Underwriters Laboratories
專家解讀視頻
基本信息
標準編號： UL 1981 Ed. 2 (2003)
標準類別：Standard
出版單位：Underwriters Laboratories
標準頁數：0
標準簡介
Covers computerized central station automation systems intended for use in central station, proprietary and subsidiary burglar, and fire alarm applications for the purpose of automating the signal handling and processing of change-of-status signals generated by receivers.
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