--- product_id: 395129154 title: "Industrial Serial Server RS485 to RJ45 Ethernet Module, TCP/IP to Serial" brand: "waveshare" price: "€ 60.96" currency: EUR in_stock: true category: "Waveshare" url: https://www.desertcart.sk/products/395129154-industrial-serial-server-rs485-to-rj45-ethernet-module-tcp-ip store_origin: SK region: Slovakia --- # 100 Mbps Ethernet speed -40℃ to 85℃ industrial temp range Multi-protocol gateway (Modbus, MQTT, JSON) Industrial Serial Server RS485 to RJ45 Ethernet Module, TCP/IP to Serial **Brand:** waveshare **Price:** € 60.96 **Availability:** ✅ In Stock ## Summary > 🌐 Power your industrial IoT with lightning-fast, multi-protocol mastery! ## Quick Answers - **What is this?** Industrial Serial Server RS485 to RJ45 Ethernet Module, TCP/IP to Serial by waveshare - **How much does it cost?** € 60.96 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/395129154-industrial-serial-server-rs485-to-rj45-ethernet-module-tcp-ip) ## Best For - waveshare enthusiasts ## Why This Product - Trusted waveshare brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Flexible Network Modes:** TCP server/client, UDP, and multicast modes ensure versatile communication setups. - • **All-in-One Protocol Powerhouse:** Supports Modbus, MQTT, JSON conversions to future-proof your IoT infrastructure. - • **Seamless Industrial Connectivity:** Bi-directional RS485 to Ethernet data transmission for real-time control and monitoring. - • **Robust & Ready for Harsh Environments:** Wide -40℃ to 85℃ operating temperature with flame-retardant rail-mount design. - • **Effortless Configuration & Integration:** Web browser setup, DHCP/DNS support, and user-defined heartbeat for smooth cloud connectivity. ## Overview The Industrial Serial Server RS485 to RJ45 Ethernet Module by Waveshare is a compact, rail-mountable IoT gateway designed for industrial environments. It delivers 100 Mbps Ethernet speed with bi-directional transparent data transmission between RS485 and Ethernet. Supporting multiple protocols including Modbus, MQTT, and JSON, it offers flexible TCP/IP communication modes and robust operation from -40℃ to 85℃. Easy web-based configuration and wide voltage input make it ideal for intelligent instrument monitoring, data acquisition, and industrial IoT applications. ## Description Overview This is a RS485 device data acquisitor / IoT gateway designed for industrial environment. It combines multi functions in one, including serial server, Modbus gateway, MQTT gateway, RS485 to JSON, etc. The module features RS485 and Ethernet ports, uses screw terminals for power input, supports 9~24V wide range power supply. Rail-mount flame-retardant case design, small in size, easy to install. It is suitable for applications like data acquisition, IoT gateway, safety & security IoT, and intelligent instrument monitoring.etc. Specifications 1.Primary Introduction Product Type--- Serial server, Modbus Gateway, MQTT Gateway Basic Function--- Bi-directional transparent data transmission between RS485 and Ethernet Communication interface --- RS485 port x 1, Ethernet port x 1 Power supply --- 9 ~ 24V DC screw terminal 2.Communication Ethernet--- common network port, 10 / 100M auto-negotiation RJ45 connector, 2 KV surge protection. Serial port--- RS485. 3.Serial specification Baudrate---300 ~ 115200 bps Parity bit--- none, odd, even, mark, space Data bit--- 5 ~ 9 bits 4.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 multicas 5.Environment requirement Operating temperature--- -40℃ ~ 85℃ Storage temperature: -45℃ ~ 125℃ Humidity range--- 5% ~ 95% relative humidity Dimensions --- L x W x H--- 87x 36 x 59 mm Online Document/How to use: //bit.ly/3rWrjyz Package Content RS485 TO ETH (B) x1 ## Features - This is an RS485 device data acquisitor / IoT gateway designed for the industrial environment. It combines multi functions in one, including serial server, Modbus gateway, MQTT gateway, RS485 to JSON, etc. Bi-directional transparent data transmission between RS485 and Ethernet. - Support Rail-mount :easy to combine multi rail-mounted serial server together, more freely. Support Modbus gateway: suitable for Modbus gridding upgrade, can be used with 3D configuration software. Support NTP protocol: getting network time info for serial output or data upload. - Multi communication modes: supports TCP server / TCP client / UDP mode / UDP multicast. Multi configuration methods: supports Web browser configuration, obtaining dynamic IP via DHCP,DNS protocol connected domain server address. MQTT/JSON to Modbus: more flexible conversion between different protocols. - Multi hosts roll-polling support: different network devices will be identified and responsed respectively, no more crosstalk issue while communicating with multi network devices - User-defined heartbeat/registration packet: easy for cloud communication and device identification. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09MBW9WFL | | Best Sellers Rank | #75 in Serial Adapters | | Brand | waveshare | | Color | RS485 TO ETH (B) | | Compatible Devices | Industrial Devices, Modbus Devices, Serial Devices | | Customer Reviews | 4.5 4.5 out of 5 stars (26) | | Data Link Protocol | Ethernet | | Data Transfer Rate | 100 megabits_per_second | | Hardware Interface | Ethernet | | Item Dimensions L x W x H | 3.43"L x 1.42"W x 2.32"H | | Item Weight | 0.01 kg | | Manufacturer | Waveshare | | Mfr Part Number | RS485 to ETH RJ45 (B) | | Model Number | RS485 to ETH RJ45 (B) | | Number of Items | 1 | | Number of Packs | 1 | | Unit Count | 1 Count | ## Product Details - **Brand:** waveshare - **Color:** RS485 TO ETH (B) - **Compatible Devices:** Industrial Devices, Modbus Devices, Serial Devices - **Data Link Protocol:** Ethernet - **Data Transfer Rate:** 100 megabits_per_second - **Hardware Interface:** Ethernet - **Item Weight:** 0.01 kg - **Number of Packs:** 1 - **Product Dimensions:** 3.43"L x 1.42"W x 2.32"H - **Unit Count:** 1 Count ## Images ![Industrial Serial Server RS485 to RJ45 Ethernet Module, TCP/IP to Serial - Image 1](https://m.media-amazon.com/images/I/61DKLzjxnQL.jpg) ## Frequently Bought Together - waveshare Ethernet Industrial Serial Server RS485 to RJ45 Ethernet Module, TCP/IP to Serial, Support Rail-Mount/Modbus Gateway, TCP Server/TCP Client/UDP Mode/UDP Multicast Multi Communication Modes - GUETNEU Terminal Block, Rail Type Voltage Terminal, Rail Combined Terminal Block - T&G 10 Pieces DIN Rail Slotted Aluminum RoHS 8" Inches Long 35mm Wide 7.5mm High --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sk/products/395129154-industrial-serial-server-rs485-to-rj45-ethernet-module-tcp-ip](https://www.desertcart.sk/products/395129154-industrial-serial-server-rs485-to-rj45-ethernet-module-tcp-ip) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-09-03*