"Hard to find" full descr iption of ContactID protocol from Ademco used by many home security devices to send messages to CMS (Central Monitoring Station) about security events. Has full technical descr iption and can be used to easy make CMS c

报警器联网接警中心 安定宝协议 中文版本哦 很难找的-Alarm network alarm center Ademco protocol Oh, very difficult to find Chinese version