常规出厂配置为吊杆式安装，如需其它安装方式，订货时请注明。
Conventional factory configuration for the boom type installation, if you need other installation methods, please specify when ordering.
先在线恢复出厂设置，再离线进行S120的配置(与自动组态不同，自动组态在在线的情况下)。
First resume the factory Settings, then configure S120 device unit in offline mode (different with Automatic Configuration, we configure in online mode in that situation).
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