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Description
Waveshare Industrial RS232/RS485 to Ethernet Converter, US Plug, RS232/RS485Industrial RS232 RS485 to Ethernet Converter, Dual Serial Ports, Easy to use, High speed, Low power, High stability, Upgradable Overview The RS232 485 TO ETH is an industrial RS232 RS485 to Ethernet converter, which allows bi directional transparent data transmission between RS232 RS485 and RJ45 port Ethernet, even at the same time, it can be configured via webpage. Features 1. M4 series 32 bit ARM processor with up to 120MHz frequency, fast speed,
Industrial RS232/RS485 to Ethernet Converter, Dual Serial Ports, Easy-to-use, High-speed, Low-power, High-stability, UpgradableOverview
The RS232/485 TO ETH is an industrial RS232/RS485 to Ethernet converter, which allows bi-directional transparent data transmission between RS232/RS485 and RJ45 port Ethernet, even at the same time, it can be configured via webpage.
Features
1. M4 series 32-bit ARM processor with up to 120MHz frequency, fast speed, stable and reliable
2. 10/100M Auto-MDI/MDIX ethernet interface, regardless of cross-over or straight-through cable
3. Both RS232 and RS485 interface, allows to work independently at the same time, without interfering each other
4. Configurable baudrate (600bps~230.4Kbps), supports five parity check options: None, Odd, Even, Mark, Space
5. Multi indicators, for monitoring communicating and working status
6. Available working modes: TCP Server, TCP Client, UDP Server, UDP Client, HTTPD Client (supports GET and POST)
7. Support Modbus, suit for industrial application
8. Support Websocket, allows bi-directional transparent data transmission with RS232/RS485 port via webpage directly
9. Configurable via webpage, AT commands, serial protocol, and network protocol, provides configuration protocol which can be integrated to your own software
10. Support customized heartbeat packets, make sure the connection is truthful, as well as for actively retrieving sensor data
11. Support customized registration packets, auto passing the registered packet as identifier after the connection is established, so that different devices can be distinguished
12. Support customized webpage, allows user to customize the module configuration page
13. Support RFC2217-like protocol, be able to communicate with devices whose serial setting (baudrate, data bit, etc.) may change
14. KeepAlive mechanism, detects broken connection, auto re-connecting
15. Support time-out reboot (no-data reboot), ensures a long-term stable connection, configurable reboot time
16. Support DNS domain name resolution, configurable DNS server
17. Support DHCP, auto-obtained IP or static IP
18. Firmware is upgradable via the network
19. Restore to factory settings via software and/or hardware
20. Comes with default MAC address, which is customizable
21. Provided software: module configuration software, TCP/UDP testing tool, VCOM virtual serial port software
22. Example code: host computer (socket ), VB, C++, Delphi, Android, iOS, etc.
Specifications
1. Ethernet:
- Connector: 4-pin RJ45
- Communication rate: 10/100Mbps
- Interface protection: 2KV electromagnetic isolation
- Protocols: IP, TCP, UDP, ARP, ICMP, DHCP, DNS, HTTPD Client, Websocket
- TX cache: 16Kbyte
- RX cache: 16Kbyte
2. RS485/RS232:
- Connector:
-- RS485: screw terminal (A+, B-, GND)
-- RS232: DB9 male
- Data bit: 5bit, 6bit, 7bit, 8bit
- Stop bit: 1, 2
- Parity bit: None, Odd, Even, Mark, Space
- Baudrate: 600bps~230.4Kbps
- TX cache: 2Kbyte
- RX cache: 2Kbyte
- Hardware flow control: RTS/CTS
- Interface protection:
-- RS485: 2KV ESD protection, lightning-proof, anti-surge, over-current protection
-- RS485 pull up/down registers: 2.2KΩ
3. Power:
- Power supply: 5.0~36.0V (5V recommended)
- Operating current: 86.5mA (@5V)
- Power consumption: <1W
- Interface protection: reverse-proof, ESD protection, anti-surge
4. Environment:
- Operating temperature: -40~85 degree C
- Storage temperature: -40~105 degree C
5. Size: 85.70*82.76*25.20mm
Package Contents
1.RS232/485 TO ETH x1
2. 5V power adapter x1
3. Ethernet cable x1
4. Male-to-Female serial cable x1
5. Female-to-Female serial cable x1
Specification:
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4.8 ★★★★★
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Product Reviews
★★★★★ 5
Wonderful work from a great historian
Format: Hardcover
James Holland is a very talented historian and his books on WWII are amazing.
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Reviewed in the United States on January 21, 2026
★★★★★ 5
How to capture the import of an entire war by writing on its end
Format: Kindle
The authors seamlessly cover ed the macro and micro accounts of events and participants to capture the stunning and all important end of WWII. I was engaged and stimulated throughout my read of this book and highly recommend it for enthusiasts who are conversant with the war and want a better understanding of its close.
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Reviewed in the United States on August 27, 2025
★★★★★ 4
World War II - The Final Months
Format: Hardcover
The book takes you through the final months of World War II, focusing on eight key moments when the fighting finally came to an end. It’s not just a dry rundown of facts or battle maps — the authors do a great job of bringing the people involved to life, from famous leaders to everyday soldiers and civilians caught in the chaos.
What I really liked was how the story moves around the globe, covering Europe, the Pacific, and beyond. It keeps the narrative fresh and exciting, giving a real sense of how the war unfolded on many fronts at once. Sometimes I had to pay close attention to keep up with all the locations and characters, but that only added to the feeling of being caught up in a fast-moving, gripping story rather than a history lesson.
What stood out most was how it made me feel the human side of history—the fear, the relief, and the confusion as the war finally ended. It’s full of details, but it never felt boring or too technical.
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Reviewed in the United States on October 19, 2025
★★★★★ 5
The Fix
Format: Hardcover
An insightful and interesting book on how our country's first legislators try to make sense of the new and fairly short U.S. Constitution, which, being drafted by humans, was bound to be imperfect. A lack of clarity on some point might be due to the changeable nature of words themselves or to confusion or obscurity of thought by the authors. And, who were the authors? The men in the room who came up with the product or the various state conventions that approved the final product?
Professor Gienapp writes well and with a fine grasp of his subject. He uses concrete examples to illustrate his main points. For example, Congressional debates over the constitutionality of a proposed federal bank, the ratification of Jay's Treaty, and even whether the Bill of Rights was to be incorporated into or simply added to the original document.
Most people think of U.S. constitutional history in terms of its drafting and ratification and/or its later judicial interpretation by the Supreme Court. Here, Professor Gienapp focuses on the initial work of interpretation by the first few sessions of Congress.
This book is essential reading for those interested in the U.S. Constitution and the internal architecture of our government. I think those who spend countless hours viewing frenetic talking heads say this or that about the constitutionality of some issue or another (or the nomination of a justice to the High Court) should throw their television set out the window and, instead, settle into a corner chair and calmly read this and other such thoughtful books.
This one should win prizes.
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Reviewed in the United States on October 14, 2018
★★★★★ 5
Excellent Book
Format: Hardcover
Stanford University History Professor Gienapp has done an outstanding job of researching and writing this historical analysis of the interpretation of the American Constitution by America's first Congress. Professor Gienapp analyzes data primarily from Congress's problems interpreting the removable of executive officers, chartering a national bank and approval of the 1794 Treaty with Great Britain negotiated by Chief Justice John Jay, the "Jay Treaty." Gienapp shows in clear writing how Congress used records of the debates at the Constitutional Convention and State Ratification Conventions to resolve these constitutional issues. I highly recommend this book to anyone concerned with the interpretation of the American Constitution.
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Reviewed in the United States on July 18, 2020