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Ships within 48 hours · Estimated delivery Aug 26 - Aug 31
For Your Every Summer RSVP, with Code: SUMMER15
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
4.2 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 4
Check the gap!
Plugs work great. I will say for those reviews saying they got a dud. CHECK THE GAP!!! Both plugs were not at 0.030 as advertised. I gapped the plug and it worked perfectly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 7, 2026
★★★★★ 5
Great
Needed one for my mower, got a box of 2. Works great!
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Reviewed in the United States on May 20, 2026
★★★★★ 3
Didn’t work well in my B&S engine
Worked for 15 minutes. Repeatedly stalled. Replaced with name brand and ran like new.
UPDATE. Seller immediately offered refund well outside refund window of opportunity. That’s nice to have someone stand behind their product
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Reviewed in the United States on May 9, 2026
★★★★★ 5
Lawnmower sparkplug
Worked great, easy to install, fast replacement. And 2 for the price of one.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2026
★★★★★ 5
Perfect replacement part
Perfect replacement
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Reviewed in the United States on April 29, 2026