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- Stock: 0 in Stock
- SKU: 04737
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USR-TCP232-E2 Dual Serial UART TTL to Ethernet Converter Module
USR-TCP232-E2 is a dual serial UART to Ethernet TCP/IP module. It adopts Cortex-M7 solution,which has a main frequency up to 400MHz, powerful performance, fast transmission speed, and high reliability. Equipped with a deeply optimized TCP/IP stack, built in hardware and software watchdog and a variety of keepalive mechanisms,USR-TCP232-E2 keeps online all the time. It supports TCP Client, TCP Server, UDP Client, UDP Server and HTTPD Client working modes, achieves data transparent transmission via simple
Resource
Features
- Support TCP server, TCP client and UDP, HTTP operating modes
- Support RS-485 enable pin of an external RS-485 transceiver
- Support flow control CTS/RTS, XON/XOFF
- Auto-MDI/MDIX, RJ45 port with 10/100Mbps
- Flexible data packet condition for the serial interface
- Support DHCP to configure the IP address and other network configuration parameters
- Support DNS for remote server domain name lookup
- Support Modbus RTU to Modbus TCP/UDP
- Support Modbus over TCP/UDP
- Support three configuration methods: serial AT command, PC software, and web page
- Support local firmware upgrade by PC software
- Support “Keep-Alive” to guarantee TCP connection
- Support user password authorization for security
- Industrial temperature range (-40℃~+85℃)
Applications
- Industrial data transmission, industrial automation
- security and protection monitoring, public security
- Smart home, power control, environmental monitoring, intelligent agriculture
- Door check on work attendance system, POS system, rice selling system
- Building automation system, power monitoring, self-service banking system, telecom machine room monitoring
Data Submitted to Web Server Directly

Work Mode of UART over Ethernet Modules USR-TCP232-E2
TCP Client Mode

TCP Server Mode

UDP Mode

Application of TTL to Ethernet Modules USR-TCP232-E2
Remotely manage multiple serial device

Use network to extend serial communication distance

Multiple PC to remotely manage serial device

Warranty Terms :
Branded products (Waveshare/ Raspberry Pi/ Radxa/ DWIN etc) are as per brand warranty terms. Generic products are eligible for replacement within 7 days of delivery based on following conditions.
Products are eligible for a replacement if there is physical damage during transit or a clear manufacturing defect. Any claim for damage/ wrong items/ replacement must be made within 48 hours of successful delivery of the product. Requests for refund of amount or exchange of product(s) will be reviewed on a case by case basis and HUBTRONICS carries final rights to take a final decision on refund, store credit or exchange.
What to take care of ?
Most of our products are technical in nature and require trained personnel to handle them. Any kind of mishandling can result in damage or malfunctioning of the product, it is not possible for us to provide a replacement or refund if the product is damaged due to technical or physical mishandling.
Who pays the return shipping cost?
Free of cost return pickup from delivery address is eligible for products categorized as manufacturing defect/ Damage in transit/ Wrong items delivered. We do not support return pickup for any B2B order or offline orders not placed on website. Buyer need to arrange return shipping for B2B orders.
What voids warranty?
Please note that replacement/ return or refund is not possible if the product is not compatible with your system/application. Please check all the technical details/ dimensions etc. before ordering and contact us for any kind of clarifications.
If product is soldered/ programmed at any point or physically altered in any way, it is not eligible for return/ replacement. If the item requires soldering for testing, please ensure that you use suitable clips or jig to test it without soldering. Any kind of soldering job makes the product ineligible for return or replacement.
Following items are not eligible for return under any circumstances
- Device Programmers / Dongles
- Soldering Consumables (Wire, Flux etc)







