ANet-2E4SM modular communication management machine is a universal intelligent communication management machine independently developed by Ankerui Electric Co., Ltd. It splits the interface of traditional management machines into modular modules that can be assembled and matched. The main module can work independently as a standard intelligent communication management machine. The entire device can collect data from water meters, gas meters, electricity meters, microcomputer protection and other device terminals through serial ports, Ethernet, Lora wireless, wifi wireless and other links. The standard 8-channel passive dry contacts can collect real-time switch information such as access control, water immersion, smoke detection, etc., and can be connected through wired networks, WiFi networks, 4G networks, etc.