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waveshare 2-Ch RS485 to POE Ethernet Converter Industrial Isolated Serial Server, 2-Ch RS485 Independent Operation, Dual POE ETH Ports, Modbus Gateway MQTT Gateway JSON Support, Rail-Mount Metal Case

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Management number 208646967 Release Date 2026/03/22 List Price $17.88 Model Number 208646967
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NOTE: Online Development Resources and Technical Support are provided, please feel free to contact us if you have any problem! Overview 2-Ch RS485 to POE Ethernet Serial Server, Dual channels RS485 independent operation, Dual POE Ethernet Ports, Rail-mount Industrial Isolated Serial Module, Bi-directional Transparent Transmission. Parameter Model -- 2-CH RS485 TO POE ETH (B) Product Type -- Serial server, Modbus Gateway, MQTT Gateway Basic Function -- Bi-directional transparent data transmission between RS485 and Ethernet Communication Interface -- RS485 port × 2, Ethernet port × 2 Power Supply -- DC 5.5 power port, 6 ~ 45V DC screw terminal, or PoE port Isolation protection -- Power isolation, Signal isolation Communication Interface -- Ethernet: RJ45 with PoE support, IEEE 802.3af compliant, 10 / 100M auto-negotiation RJ45 connector, 2 KV surge protection -- Serial port: Isolated RS485 (the 2 channels can receive and transmit independently at the same time) Serial specification --Baudrate: 300 ~ 115200 bps --Parity bit: none, odd, even, mark, space --Data bit: 5 ~ 9 bits --Flow control: N/A Software --Protocol: ETHERNET, IP, TCP, UDP, HTTP, ARP, ICMP, DHCP, DNS --Configuration: host, web browser, device management functions library --Communication method: TCP/IP direct communication, VCOM --Operating mode: TCP server, TCP client (coexisting with TCP server), UDP, UDP multicast Environment requirement --Operating temperature: -40℃ ~ 85℃ --Humidity range: 5% ~ 95% relative humidity --Dimensions: L × W × H: 78.0 × 72.5 × 24.2 mm Package Content 2-CH RS485 TO POE ETH (B) x1

  • Support Ethernet Port Cascade, onboard 2-ch Ethernet Ports for communication and cascade, either one can be used for dual serial server network communication, while the other one can be used for cascading or communication with other devices
  • Support screw terminal and DC power port for power supply or PoE port, DC 6~45V, wide voltage range input
  • Modbus gateway support, suitable for Modbus networking upgrade, can be used with specific configuration software. Supports TCP server / TCP client / UDP multicast / UDP mode. MQTT/JSON to Modbus, more flexible conversion between different protocols
  • Multi hosts roll-polling support. User-defined heartbeat/registration packet. NTP protocol support. Multi configuration methods
  • Multiple protection, safe and stable, onboard power supply and signal isolation, built-in TVS and resettable fuse and protection diode etc. Rail-mount support, industrial-grade rail design, compact size, easy installation, cost-effective
Item Weight 4.6 ounces
Manufacturer Waveshare
Item model number 2-CH RS485 TO POE ETH (B)
Product Dimensions 3.07 x 2.85 x 0.95 inches

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