This product consists of the following:

1 x Genuine USR-N540

4 x DSUB to 5 pin terminal block adapters

1 x Power Supply, 5V, 1A, 2.1mm Connector

Additional information is available on USRs product site.

Features

Support Modbus RTU to Modbus TCP

4 Serial ports (RS-232/422/485) can work independently at the same time

Each serial port can work as RS232, RS485 or RS422

Four channel serial communication indicator: TX/RX, CTS/RTS, XON/XOFF

Serial baud rate from 600bps to 230.4K bps

Serial ports available on standard DSUB connectors, or via a terminal block.

Auto-MDI/MDIX, RJ45 port with 10/100Mbps

TCP Server, TCP Client, UDP Client, UDP Server and HTTPD Client working modes

DNS and DHCP supported

UDP broadcast supported

Supports one channel Websocket

Supports Virtual Serial Ports and provide corresponding software USR-VCOM

Provide PC TCP/IP socket programming example such as VB,C++,Delphi,Android and IOS

Configuration via built-in webpages, webpages can also be customize

Supports upgrading firmware via network

Supports keepalive, rapidly detect dead links

Supports account and password access for network settings

Reload button, one key to restore default settings

ESD 8KV Protection on Serial/Etherent port

RJ45 with Link/Data indicator light,built-in isolation transformer and 2 KV electromagnetic isolation