In-built relay for switching off devices that consume standbycurrent.
内置继电器关掉设备的待机电流消耗。
2
In order to keep the standby database as current as possible, new inactive log files from the source database should be continually applied on the standby database as they become available.
为了使备用数据库尽可能最新，应该不断地将源数据库上可用的非活动日志文件应用到备用数据库上。
3
In the current setup, this node is the passive node and ACTS like a standby node for the cluster.