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Modbus device server USR-N540

Modbus device server
Modbus device server
Modbus device server
Modbus device server
Modbus device server
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RS232, serial, RS-232, RS-485, RS-422, RS485, Ethernet, LAN, Modbus/TCP, Modbus RTU, Modbus
Output bus
Ethernet, RJ45, DB9, Modbus
Other characteristics
industrial, 4 ports, IoT


USR-N540 is a 4-port Serial to IP Converters. USR IOT's serial to IP Converters USR-N540 can realize bi-directional transparent transmission between RS232/RS485/RS422 and network. ● 4-port RS-232/422/485 Serial to IP Converters ● Power supply accepts wide voltage input range DC 9-36V ● Support TCP server/client, UDP server/client,https client, Virtual COM ● Support Modbus RTU to Modbus TCP ● Support flow control CTS/RTS, XON/XOFF ● Support 4 RS-232, RS-485/422 3IN1 serial port to 1 10/100Base-T(X) self-adaptive Ethernet interface ● Configuration via Web Server page, AT commands, and Windows Utility System Information Processor - Cortex-M4 Basic Frequency - 120MHz Flash - 512K byte Ethernet Port Number - 1 Interface Standard - 8 pin RJ45 Rate - 10/100 Mbps, MDI/MDIX, auto switch between cross and direct connection Protection - 2KV electromagnetism isolation, shell insulation blocking Network Protocol - IP,TCP,UDP,DHCP,DNS,https,ARP,ICMP,Web socket,httpsd client Receive Buffer - Max 16k bytes buffer Serial Port Number - 4 (Each port can work as RS-232,RS-485 and RS-422, can work at the same time) Interface Standard - RS-232: DB9 pin type, RS-485: 2 wire (A+,B-), RS-422 (A,B,Y,Z) Data Bits - 5,6,7,8 Stop Bit - 1,2 Check Bit - None,Even,Odd,Space,Mark Baud Rate - 600bps ~ 230.4Kbps Flow Control - RTS/CTS XON XOFF Buffer - Send and receive 2k bytes respectively Protection - RS-485: anti-static 2KV,lightning protection RS-485 Pull-up and Pull-Down Resistor - 2.2 KΩ Software Virtual Serial(USR-VCOM) - Windows 2000 or higher(32 bit/64 bit) Configuration - Built-in webpage, computer set-up software, serial command Basic Parameter


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