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


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 |

Industrial Serial Server
Industrial Rail-mount Design, Support Wall-mount and Rail-mount Installation, Compact Size, Easy Installation, Cost-Effective

Modbus gateway support
suitable for Modbus networking upgrade, Can Be Used With specific Configuration Software

Multi communication modes
supports TCP server / TCP client / UDP multicast / UDP mode

