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Waveshare Industrial Serial Server - RS232/RS485/RS422 to RJ45 Ethernet Converter with TCP/IP Support
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The Waveshare Industrial Serial Server RS232/RS485/RS422 to RJ45 Ethernet Converter is designed to connect traditional serial equipment to modern Ethernet networks for reliable industrial data communication. It supports RS232, RS485, and RS422 interfaces and provides bidirectional transparent data transmission between the serial ports and Ethernet.
The Ethernet interface uses a 10/100M auto-negotiation RJ45 connector with 2KV surge protection, while serial communication supports baud rates from 300 to 115200 bps, 5–9 data bits, and None, Odd, Even, Mark, or Space parity. It supports TCP Server, TCP Client, UDP, and UDP Multicast modes along with TCP/IP direct communication and VCOM.
The device can also function as a Modbus gateway, MQTT gateway, and RS485-to-JSON gateway, making it useful for data acquisition, IoT gateways, intelligent instrument monitoring, and industrial automation. The PoE version supports IEEE 802.3af and can operate from 6–36V DC, while the device is rated for an operating temperature of -40°C to 85°C. Its compact 87 × 36 × 59 mm rail-mount enclosure makes it convenient for industrial installations.
| Specification | Details |
|---|---|
| Product Type | Serial Server, Modbus Gateway, MQTT Gateway |
| Basic Function | Bi-directional transparent data transmission between RS232/RS485/RS422 and Ethernet |
| Communication Interfaces | RS232 × 1; RS485 × 1; RS422 × 1; Ethernet × 1 |
| Power Supply | DC power port, 6–36V DC screw terminal, or PoE port |
| Isolation Protection | Power isolation, Signal isolation |
| Ethernet Interface | PoE network port, supports IEEE 802.3af standard |
| Ethernet Speed | 10/100M auto-negotiation |
| Ethernet Connector | RJ45 |
| Surge Protection | 2KV |
| Serial Interface | Isolated RS232/RS485/RS422 |
| Baud Rate | 300–115200 bps |
| Parity Bit | None, Odd, Even, Mark, Space |
| Data Bits | 5–9 bits |
| Flow Control | N/A |
| Protocols | 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 Modes | TCP Server, TCP Client (coexisting with TCP Server), UDP, UDP Multicast |
| Operating Temperature | -40°C to 85°C |
| Humidity Range | 5%–95% RH |
| Dimensions (L × W × H) | 88.7 × 72.5 × 24.2 mm |
This product comes with a 1-year manufacturer warranty from the date of purchase, covering manufacturing defects only.
The product shows signs of physical damage, mishandling, exposure to water/moisture, fire, natural calamities, unauthorized repairs, improper storage near heat or direct sunlight, or alteration in any way.
Used it in a wastewater plant—no glitches despite humidity. Packaging included foam inserts. Website checkout had minor lag but resolved quickly. Product quality is top-tier communication latency is negligible. Tech support provided firmware update help.
The website was easy to navigate and checkout was smooth. Delivery arrived quickly in secure packaging. The product quality feels solid and premium. It works perfectly right out of the box. Customer support was friendly and answered my questions fast.
Been running 24/7 for weeks—zero dropouts. Box arrived slightly dented but internals perfect. Vendor’s website had detailed specs which helped pre-purchase. Setup guide could be clearer, but overall product quality is excellent.
Ordered Monday, received Wednesday. Unit tested immediately—worked out of box. Clear labeling, solid weight. Customer service replied same day to query. Product performs as advertised handles high baud rates without error. Great purchase.
For the price, this serial server exceeds expectations. Delivery was faster than estimated. Configuration via web UI worked perfectly. Customer support answered my baud rate question within hours. Highly recommend for factory automation setups.
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It is Amazing and great item in this price
Veri usefull and cheap price from other shopping site, I use this module many project. Thank you robocraze
I like this motor
Excellent
good product
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