4-Ch RS485 to RJ45 Ethernet Serial Server, 4 Channels RS485 Independent Operation, Rail-mount Industrial Isolated Serial Module, Optional PoE Function

SKU: WS-4CH-RJ45-SERVER

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Features at a glance

This is a multi-functional device data acquisitor / IoT gateway with 4-ch RS485 and an Ethernet port (PoE version optional), small in size, easy to install, and cost-effective. It is suitable for applications like data acquisition, IoT gateway, safety & security IoT, and intelligent instrument monitoring, meeting various application scenarios.

  • 4-ch RS485 can work independently without affecting each other at the same time, enabling more effective data transmission
  • Combines multiple functions in one, including serial server, Modbus gateway, MQTT gateway, and RS485 to JSON, etc.
  • Adopts screw terminal for stable power input
  • Wall-mount and rail-mount case design, easy to install, for quick deployment and expansion

Specifications

4-CH RS485 TO ETH (B) 4-CH RS485 TO POE ETH (B)
4-Ch RS485 + Common network port + Electrical isolation 4-Ch RS485 + PoE network port + Electrical isolation
Product Type Serial server, Modbus Gateway, MQTT Gateway
Basic Function Bi-directional transparent data transmission between RS485 and Ethernet
Communication interface RS485 port × 4, Ethernet port × 1
Power supply DC 6 ~ 45V screw terminal DC 6 ~ 45V screw terminal, or PoE port
Isolation Protection Power isolation, Signal isolation
Communication
Ethernet RJ45 RJ45 with PoE support, IEEE 802.3af compliant
10 / 100M auto-negotiation RJ45 connector, 2 KV surge protection
Serial port Isolated RS485 (the 4 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
others
Operating temperature -40℃ ~ 85℃
Humidity range 5% ~ 95% relative humidity
Dimensions L × W × H: 91.0 × 64.5 × 24.2 mm

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