Alarm and electronic security systems - Part 11-1: Electronic access control systems - System and components requirements (IEC 60839-11-1:2013); German version EN 60839-11-1:2013
警报和电子安全系统.第11-1部分:电子门禁系统.系统和部件要求(IEC 60839-11-1-2013);德语版本EN 60839-11-1:2013