★★★★★ 5
Quality
Color: Black
Fits perfectly! Great for kids who are rough on iPads. Seems indestructible
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Reviewed in the United States on May 20, 2026
4 Ports Serial RS232/RS485/RS422 to Ethernet Converter USR-N540
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
4 Ports Serial RS232/RS485/RS422 to Ethernet Converter USR-N5404 Ports Serial RS232 RS485 RS422 to Ethernet Converter USR N540 USR N540, 4 serial port Ethernet converter which can realise transparent transmission between TCP UDP data package and RS232 RS485 RS422 interface. Note: This kit includes the AU power adapter, DB9 cable, and connectors. Characters of USR N540 Serial Ethernet Converter Industrial Solution TI Cortex M4 Solution, 40~85C Web Server Web socket Web to Serial Modbus Gateway Modbus RTU to Modbus
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Your 4 Ports Serial RS232/RS485/RS422 to Ethernet Converter USR-N540 orders ship within 1-2 business days.
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- Fast: 2-3 business days
- Express: 1-2 business days
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You'll receive a tracking link by email once your 4 Ports Serial RS232/RS485/RS422 to Ethernet Converter USR-N540 ships.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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