The initiator first sends commands to the target, which decodes the command and then may request data from the initiator or send data to the initiator.
启动程序首先向目标发送命令，然后目标解码命令并向启动程序请求数据，或将数据发送给启动程序。
You follow this command with a list request to provide data on your pool (see Listing 2).
在此命令后为一个列表请求，以便提供您池中的数据(参见清单2)。
A request command is enclosed in the data or message section of the underlying network packet. It requests the contents of registers in the device containing signal data of a device.
底层网络包的数据或消息区域封装了一个请求命令，它请求设备中包含设备信号数据的寄存器的内容。
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