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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:
| Package Weight |
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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
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.6 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 1
1 star
cracked and leather inserts werent even secured on
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 20, 2025
★★★★★ 5
Nice looking and perfect for organizing the entry.
I love this little valet! It looks high quality and the compartment sizes are perfect as a drop for wallet, phone, keys and coins. I use mine on the entry hall table.
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Reviewed in the United States on November 17, 2025
★★★★★ 5
Nice
Looks good
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Reviewed in the United States on October 28, 2025
★★★★★ 5
Very nice valet tray that gives a dresser or nightstand a much nicer look, and keeps EDC organized.
We’ve been using this sandalwood valet tray (with black "leather" inserts) for about five days, and it has quickly become a favorite for keeping the dresser top organized. It sits neatly on our tallboy dresser, staying put without any sliding, which is a big plus. The tray’s size is just right. This tray is not too bulky, but spacious enough to hold keys, watch, phone, etc., basically all the stuff carried in pockets daily.
The wood has a smooth, polished feel, and the stain has a beautiful color which gives it a rich, elegant look that elevates the whole setup. What stands out most are the soft, leather-like inserts lining the compartments. They add a touch of luxury and keep items like my watch from getting scratched or sliding around with a slight bump. I also appreciate the thoughtful design of the notches cut out for phone charging cables. Having those notches makes it easy to keep a phone powered up without a mess of cords.
This valet tray feels well-crafted and sturdy, though I would not mind it if the compartments were a tad deeper for bulkier items like a wallet. It’s practical and looks far more refined than the plastic trays I’ve used before, and I feel it gives an excellent value for the money, given today's pricing (July 20, 2025). For anyone looking to tidy up their space with something that feels upscale yet functional, this tray is worth a look.
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Reviewed in the United States on July 20, 2025
★★★★★ 5
5 ⭐️⭐️⭐️⭐️⭐️ STARS! Great valet tray for keys and wallets
This valet tray is very classy and made a beautiful wood with nice little touches all around in terms of design. I really like this on my side table in our foyer, and we place our keys, wallets and odd knickknacks that we bring in from time to time. This makes it very easy so not forget or replace things if we have a designated area like this valet pad. This gets my "TRIED-and-TRUE" SOLID 5 ⭐️⭐️⭐️⭐️⭐️ STARS Rating!
I only give five star ratings to items that I use and exceed my expectations for quality, functionality, ease-of-use, premium appearance/looks, durability, & when possible: Sustainability/Ease on the Environment. I hope my review helped you gain some insight and I appreciate you taking the time to read it. Thank you!
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Reviewed in the United States on July 29, 2025