Huawei AR530 Series Agile Gateways, as industrial switching routers, are designed to work in the harsh environment with Ingress Protection 51 (IP51) which delivers high- and low-temperature resistant, dustproof, waterproof, and can resist electro-magnetic interference. The AR530 series provides five models: AR531-2C-H, AR531-F2C-H, AR531GR-U-H, AR531GPe-U-H and AR531G-U-D-H. They can support flexible Fast Ethernet (FE), SFP, and RS485 interfaces. For example, the AR531-2C-H supports 2 x GE (SFP) + 6 x FE + 2 x FE combo. Overall, the AR530 Series can integrate routing, switching, security, and Advanced Metering Infrastructure (AMI) functions and offer a variety of capabilities.