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