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Description
Waveshare RS232 RS485 To RJ45 Ethernet Serial Server, 25108, 25391Features: 1. A dual serial port device data collector IoT gateway designed for industrial environments. One RS232 and one RS485 can work simultaneously using one network cable without interfering with each other. 2. It integrates multiple functions, including serial port server, Modbus gateway, MQTT gateway, RS232 and RS485 to JSON, etc. 3. The other Ethernet port can be used as a network switch or cascade, and the PoE function can be equipped with
Features:
1. A dual serial port device data collector/IoT gateway designed for industrial environments. One RS232 and one RS485 can work simultaneously using one network cable without interfering with each other.
2. It integrates multiple functions, including serial port server, Modbus gateway, MQTT gateway, RS232 and RS485 to JSON, etc.
3. The other Ethernet port can be used as a network switch or cascade, and the PoE function can be equipped with dual power supply.
4. The Ethernet port provides two power supply methods: DC port (outer diameter 5.5mm, inner diameter 2.1mm) and screw terminal.
5. The chassis adopts guide rail support, which is small in size, easy to install and cost-effective. 6. Suitable for data collection, IoT gateway, security IoT, smart instrument monitoring and other applications.
7. This product is a PoE receiving device (PD) and needs to be connected to a PoE power supply and obtain power from the PSE device to work properly.
Product parameters:
1. Product type: serial server, Modbus gateway, MQTT gateway
2. Basic functions: two-way transparent transmission of data between RS232, RS485 and Ethernet
3. Communication interface: RS232 port × 1, RS485 port × 1, Ethernet port × 2
4. Power supply:
TO ETH (B): DC 5.5 power interface, 6~45V DC screw terminal
TO POE ETH (B): DC 5.5 power interface, 6~45V DC screw terminal, or PoE interface
5. Isolation protection: power isolation, signal isolation
6. Ethernet:
TO ETH (B)：RJ45
TO POE ETH (B): RJ45 with PoE support, IEEE 802.3af compliant
10/100M self-negotiating RJ45 connector, 2KV surge protection
7. Serial port: Isolated RS232 and RS485 (2 channels can receive and send independently at the same time)
8. Baud rate: 300-115200 bps
9. Check digit: none, odd, even, mark, space
10. Data bits: 5-9 bits
11. Flow control: Not applicable
12. Protocol: Ethernet, IP, TCP, UDP, HTTP, ARP, ICMP, DHCP, DNS
13. Configuration: host, browser, device management function library
14. Communication method: TCP/IP direct communication, VCOM
15. Working mode: TCP server, TCP client (coexisting with TCP server), UDP, UDP multicast
16. Working temperature: minus 40 degrees Celsius - 85 degrees Celsius
17. Humidity range: 5%-95% relative humidity
18. Product size: 78 x 72.5 x 24.2mm
19. Weight: 134 grams
Specification:
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 5
READ BEFORE GIVING TO A CHILD
Format: Paperback
Five stars in hopes it is listed at the top.
PLEASE read before you give this to your child! The art work is gorgeous, a very gift able book! I got this for my dragon loving 11yr old as a Christmas book to enjoy in December. Let me just tell you a quick run down of the book.... this child is the only child left unadopted at an orphanage run by a nasty woman and her evil dog. The woman is annoyed by the child and as punishment she cancels Christmas and puts a chain around her ankle and locks her in a dog kennel (yes it says this many times, not simply implied but directly said it and a drawing of it). Finally a little Christmas magic and glimmer of joy when a snow dragon frees her for one quick adventure. That portion is a cute story but it's a very short part in the book. When the adventure is over the child is snuck back in and ankle chain back on and back in the dog kennel. The mean woman returns and says it's time to play a game called "chase".....then the book details what this game is.... this mean woman makes the orphans hold bones and tells them to run, then her evil dog is allowed to chase the kids (scary, not a fun dog frolicking with happy children).....finally at the end the little girl and her sweet dancing dog are adopted. But this book is so sad, this is not a sweet story or Christmas fun. I'm returning the book bc I feel like it will make my child sad instead of enjoy a cute Christmas story. If you are an adoptive parent or a foster parent this may really trigger your children, any child who is sensitive would probably not like this book. However every child is different so for some kids they may be less bothered and just enjoy the dragon and cute last page with the new family walking away together. But read the book for yourself before giving it to a child. I'm 37 with no history of childhood trauma myself and I found this book to be a bit much. I use to be a foster mom and I really wanted to write a review so parents would understand what's in this book bc I almost didn't read it before giving it to my child for Christmas! Glad I read it! The story could have been adorable if they let the dragon be the main part of the story. Not the abuse the child is suffering in the orphanage.
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Reviewed in the United States on November 30, 2025
★★★★★ 5
Lovely Winter Solstice Book
Format: Hardcover, Format: Hardcover
My son loved this winter solstice story! Told by the perspective of the animals, each one brings a little something to share with the others as they decorate a tree together with their items and it's exactly what I wanted in a winter solstice story for my 4 year old. Not too complex which is ideal for younger children, not soly describing the change of season. I feel like this is more of the heart of winter solstice, coming together with friends and family, being generous and having gratitude, and over all sharing light with each other in the longest night of the year. My son's favorite page is definitely the fold out!
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Reviewed in the United States on December 31, 2024
★★★★★ 5
Beautiful illustrations and story!
Format: Hardcover
Christmas/ Solstice gift for grands. The entire family hovered it. Both story and drawings are beautiful
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Reviewed in the United States on February 3, 2025
★★★★★ 5
Beautiful Book
Format: Hardcover
This book is absolutely beautiful. I love the sweet story, lyrical language, and lovely illustrations. My children were in awe of the special fold-out spread for the big reveal of the Solstice tree. Winter: A Solstice Story is a wonderful picture book, highly recommended.
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Reviewed in the United States on October 26, 2023
★★★★★ 5
A charming story with sweet illustrations and a nice surprise
Format: Hardcover
This is an enchanting tale of friendship and hope among the woodland creatures. The illustrations are beyond charming and full of fun details (animals making snow angels!). The story culminates in a fold-out surprise designed to delight.
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Reviewed in the United States on November 4, 2023