




Description:
Waveshare Rail-Mount Serial Server is a compact RS-485 to WiFi/Ethernet module designed for industrial data acquisition and IoT gateway applications. It supports multiple functions, including Modbus gateway, MQTT gateway, RS485 to HTTPD client, and serial-to-WiFi/Ethernet conversions. Featuring RS-485, WiFi, and Ethernet interfaces, it enables versatile connectivity options. The module offers 5–36V wide-range power input via screw terminals and comes in a V0 flame-retardant rail-mountable case. Ideal for IoT integration, smart instrumentation, security systems, and remote monitoring in industrial environments.
Specification:
Outline | |
---|---|
Communication interface | RS485, screw terminal |
Power supply | 5~36V DC, screw terminal |
Case | PC + ABS, V0 flame retardant grade |
Dimensions | L × W × H: 109.66 × 28 × 64.71 mm |
Communication | |
Ethernet | 10 / 100M auto-negotiation RJ45 connector |
WIFI | 802.11b/g/n compliant |
Serial port | RS485 interface (Anti-surge, Lightningproof, Over-current protection) |
Wireless specification | |
Frequency Band | 2.412 ~ 2.484 GHz |
Wireless network | Station / AP / AP+Station Mode |
Security mechanism | WPA-PSK / WPA2-PSK |
Encryption type | TKIP / AES |
Transmitting power | 802.11b: +19dBm (Max.@11Mbps) 802.11g: +18dBm (Max.@54Mbps) 802.11n: +17dBm (Max.@HT20, MCS7); +17dBm (Max.@HT40, MCS7) |
Receiving sensitivity | 802.11b: -89dBm (@11Mbps) 802.11g: -81dBm (@54Mbps) 802.11n: -73dBm (@HT20, MCS7); -71dBm (@HT40, MCS7) |
Serial specification | |
Baudrate | 300 ~ 460800 bps |
Parity bit | none, odd, even, mark, space |
Data bit | 5 ~ 9 bits |
Flow control | N/A |
Software | |
Protocol | TCP / UDP / ARP / ICMP / DHCP / DNS / HTTP / MQTT |
Configuration | host, web browser, serial AT command |
Communication method | TCP/IP direct communication, VCOM |
Operating mode | Transparent transmission, serial command, HTTPD Client, Modbus TCP to Modbus RTU |
Environment requirement | |
Operating temperature | -40℃ ~ 85℃ |
Storage temperature | -45℃ ~ 125℃ |
Humidity range | 5% ~ 95% relative humidity |
Features:
- Support 802.11b/g/n wireless standards.
- Support WAVESHARE-link.
- Support route and bridge modes.
- Support RS485 to Wifi/ Ethernet communication.
- Rich indicator LED: Power, link, RXD, TXD.
- Wide voltage DC 5~36V, supports terminal power
Product Interface:
Useful Link:
Waveshare Rail-Mount Serial Server RS485 to WiFi/Ethernet Converter Module
Package Includes:
- 1 x RS485 TO WIFI/ETH
- 1 x Antenna