Comark Ethernet Switch with RS-485 Serial Ports: The Converged Communication Hub for Industrial IoT

I. Project Background: Solving Industrial Communication Integration Challenges

In modern industrial automation systems, we often face the following challenges:

  • Numerous RS-485/422/232 serial devices cannot be directly connected to industrial Ethernet networks

  • Traditional solutions require multiple devices (serial gateways + fiber optic switches), resulting in complex systems and high costs

  • Difficulty in achieving data exchange and centralized management between devices using different protocols

II. Solution: CK7080S - The Converged Communication Platform Integrating Switching and Serial Ports

The Comark CK7080S Managed Industrial Ethernet Switch is specifically designed for complex industrial scenarios, innovatively integrating industrial Ethernet switching and serial communication functions:

Core Features:

  • 8×10/100M auto-negotiation electrical ports + 2×100M optical ports (up to 120km transmission)

  • Multiple serial port configurations: 1×RS-232 + optional 1×RS-422/485 or 3×RS-485 serial ports

  • Built-in Modbus gateway: Supports bidirectional conversion between ModbusTCP and ModbusRTU protocols

  • Flexible networking: Supports point-to-point, star, chain, ring, and h ybrid topologies

III. Core Product Advantages

1. Powerful Network Performance

  • 8×100M adaptive electrical ports supporting full/half-duplex mode, MDI/MDI-X auto-negotiation

  • 2×100M optical ports with optional SC/FC/ST interfaces, transmission distance up to 120km

  • Optional Gigabit SFP modules supporting single-mode/multi-mode fiber and twisted pair transmission

2. Professional Serial Port Functions

  • Supports three operation modes: TCP Server, TCP Client, UDP

  • Modbus Slave mode supports up to 12 TCP master connections

  • Comprehensive protocol support: ModbusTCP, ModbusRTU, IP, ARP, DNS

3. Exceptional Reliability

  • CK-ring redundancy technology with <20ms self-healing time

  • Industrial-grade protection: IP40 housing, professional EMC design

  • Wide temperature operation: -40~85°C, suitable for extreme environments

  • Redundant power supply: 12~48V DC wide voltage input, full load consumption <11W

4. Intelligent Operation and Maintenance

  • Triple management methods: Web, CLI, SNMP

  • Advanced network management features including QoS, IGMP, 802.1Q VLAN

  • Relay alarm output for real-time monitoring of power, port, and ring network status

IV. Typical Application Scenarios

 Smart Manufacturing Workshops: Connecting serial devices such as PLCs, frequency converters, and HMI for unified data acquisition
 Logistics and Warehousing Centers: Supporting wireless barcode scanners and automated sorting machines for efficient material handling
⚡ Energy and Power Systems: Integrating power meters and sensors to build intelligent energy monitoring networks
️ Environmental Monitoring Systems: Remote monitoring of analog devices for temperature, humidity, pressure, and flow
 Rail Transit Systems: Equipment networking in depot areas for centralized control and status monitoring

V. Why Choose Comark CK7080S?

✅ Integrated Design: Eliminates multiple device stacking, simplifies system architecture
✅ Protocol Compatibility: Seamlessly connects Modbus Ethernet and serial devices
✅ Industrial-Grade Quality: -40~85°C wide temperature range, suitable for harsh environments
✅ Flexible Networking: Multiple network topologies to meet different scenario requirements
✅ Intelligent Management: Comprehensive network management functions for easier maintenance

With its unique integrated functional design, the Comark CK7080S Managed Industrial Switch with Serial Ports provides a simpler, more reliable, and cost-effective solution for industrial IoT communication, making it the ideal choice for building intelligent industrial networks.