2、配置 Configuration
我们可以选择在设备本地端、4200 平台端和网页端进行 485 参数配置，外部设备选择控制
器，注意设置对应的 485 地址及输出类型选卡号。
We can choose to perform 485 configuration on the local interface of the device, the 4200
platform interface and the web interface, select the access controller for the external device,
and pay attention to setting the corresponding 485 address and output type as card
number.
(1)设备本地设置：
(1) Device Local Settings:
(2)网页端设置：
