This ethernet serial server has dual serial ports with 1-channel RS232 and 1-channel RS485, that is capable of operating simultaneously without interference, all through a single ethernet connection. It packs multiple functionalities in one device, serving as a serial server, Modbus gateway, MQTT gateway, and converter from RS232 and RS485 to JSON, making it a versatile choice for various projects.
Powering the device is flexible, with two methods available: a DC port (outer diameter: 5.5mm, inner diameter: 2.1mm) and a screw terminal. The compact case includes rail-mount support for easy installation. This is ideal for projects such as data acquisition, IoT gateway functions, and safety & security IoT.
We also have the PoE ethernet version in our store
Note: The power supply is not included, it is recommended to use with a 12V Power Adapter
Features
- Industrial Isolation
- Modbus Gateway
- Dual Serial Ports
- Multi Power Supply Methods
- RJ45 Ethernet
- MQTT & JSON
- Ethernet Port Cascade
- Rail-Mount
What’s on Board
Specifications
| Product Type | Serial server, Modbus Gateway, MQTT Gateway |
| Basic Function | Bi-directional transparent data transmission between RS232 and RS485 to Ethernet |
| Communication Interface | 1x RS232 port, 1x RS485 port, 2x Ethernet port |
| Power Supply | DC 5.5 power port, 6 ~ 45V DC screw terminal |
| Isolation Protection | Power isolation, Signal isolation |
| Communication | |
| Ethernet | RJ45 |
| 10 / 100M auto-negotiation RJ45 connector, 2 KV surge protection | |
| Serial Port | Isolated RS232 and RS485 (the 2 channels can receive and transmit independently at the same time) |
| Serial Specifications | |
| 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 Requirements | |
| Operating Temperature | -40℃ ~ 85℃ |
| Humidity Range | 5% ~ 95% relative humidity |
| Dimensions | L x W x H: 78.0 x 72.5 x 24.2 mm |
Resources
- Product Wiki
- User Manual
Pinout
Package Contents
- 1x RS232/RS485 to RJ45 Ethernet Server
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