| 释义 |
prealarm
预警器
1. In access control, an audible alarm activated in systems with entry/exit delay circuits to warn the user that the alarm must be disarmed within a specified time period. If the alarm is not disarmed then a signal is sent to a central station.
在存取控制中,一种用于具有进出延时电路系统的声音警报器,用来警告用户必须在限定的时间内解除警报,否则将向中心站发送信号。
2. In computer security, an alarm that warns security staff of an equipment fault.
在计算机安全学中,通知安全管理员设备发生故障的一种报警器。 |