Rack-Mount Edge Serial Device Server 16 Fully Isolated Serial Ports|2000-Point Edge Computing|30+ Protocol Coverage USR-N916，Rack-mount Serial Device Server built on over 10 years of R&D expertise。Powered by industrial-grade triple-core RK3506J and self-developed WukongEdge engine, this rack-mount edge serial device server features 16-ch fully galvanically isolated RS485, millisecond polling up to 2000 points and compatibility with 30+ industrial protocols。Fully domestically developed, it delivers reliable one-stop device networking & edge computing solutions for substations, data centers, smart buildings and rail transit.al automation.
Key Features
  • All-Isolated Serial / CAN Ports，16× RS-485 + 2× CAN FD
  • 4 Ethernet Ports, Switchable / Cascadable, 1× WAN/LAN + 3× LAN
  • Dual Power Supply, AC/DC Optional, 110–250 VAC / 12–48 VDC
  • 1U · Standard 1U Rack Mount, Aluminum Alloy Handles
  • 2000-Point Auto Polling, Millisecond Response
  • 30+ Industry Protocols, Full-Scenario Coverage, Flexible North–South Conversion
Six Transparent Transmission Modes Supports TCP Client, TCP Server, UDP Client, UDP Server, HTTP and MQTT Transparent Modes
16 Ports Simultaneous, No Interference 6-channel RS485 + 2-channel CANFD, independent operation; supports up to 32 concurrent sockets, and can connect to private servers.
Powerful Edge Computing Built-in Wukong Engine, integrated with network management, edge data acquisition, computation and upload; supports MQTT+TLS+JSON with customizable payload formats.
Full Protocol Coverage, Multi-Scenario Built-in more than 30 industry protocols, ready for use after simple configuration. It covers scenarios such as power monitoring, smart buildings, water conservancy & hydrology, environmental monitoring and industrial PLC. Supporting mainstream protocols including IEC61850, IEC104, DL/T645, Modbus, BACnet, DNP3.0, SL651 and HJ212, it easily realizes protocol interworking and conversion of multiple devices to meet diverse industrial IoT data acquisition access requirements.
Fully Isolated Interfaces, High-Performance Core Serial, Ethernet and power fully isolated, with an industrial-grade RK3506J processor + Linux for stable, smooth operation.
Industrial Design, Robust Protection The device adopts industrial hardware architecture with comprehensive electromagnetic protection. It features a wide operating temperature range of -25℃~75℃ and can run stably under harsh working conditions. It supports AC 110250VAC input with power switch and DC 1248VDC input with reverse-polarity protection. With excellent anti-interference and wide temperature resistance, it is suitable for various demanding industrial IoT scenarios such as factories and outdoor cabinets.
Efficient Web-Based Configuration No host software required. Plug in the network cable, open a browser for instant configuration. Local firmware upgrade, reboot and factory reset are supported.
Convenient Experience, Zero Learning Curve The device supports precise NTP time synchronization. Built-in RTC battery keeps time and auto-syncs with NTP server online. Independent LEDs on serial/CAN ports offer clear status for easy maintenance. VCOM virtual serial port is supported; legacy PC serial software can connect directly for remote control and data transmission, compatible with existing host software
Smart Power Monitoring and Control System In power monitoring scenarios, this rack-mount serial device server solves problems of numerous devices, difficult maintenance and diverse protocols. With 4 Ethernet ports, it supports cloud scheduling, local configuration, SCADA monitoring and station device access. Built-in power protocols IEC61850, IEC104, DL/T645 and DNP3.0, it connects power meters, integrated protection relays and other equipment to realize remote and unattended management of power distribution rooms
Across Industries, Proven in the Field Widely applied in data centers, power & energy, rail transit, smart building BA, smart factories, environmental & water conservancy sectors for multi-device data collection, protocol conversion and remote transmission.
Product Dimensions / Interfaces
Packing List
  • USR-N916 × 1
  • 3-Pin Plug Power Cord × 1
  • 1 m Cat5e Ethernet Cable × 1
  • Mounting Ears × 2
  • Cabinet Screws × 8
  • Anti-Slip Foot Pads (4 Corners) × 8
  • Certificate of Conformity × 1
  • Quick Start Guide × 1