Ethernet to UART Modules | Embedded Ethernet Modules

Ethernet to UART Modules | Embedded Ethernet Modules

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  • USR-TCP232-S2
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Product Name:Ethernet to UART Modules | Embedded Ethernet Modules

  • Model:USR-TCP232-S2

Introduction of SMT Ethernet Modules

USR-TCP232-S2 are tiny size SMT Ethernet modules which can realize data bidirectional transparent transmission between TTL and Ethernet Port. It can also be applied in RS232/ RS485 by level shift circuit. USR-TCP232-S2 is based on Cortex-M0 core. It has characters of low power, fast speed and high efficiency.

Feature of SMT Ethernet Modules

Auto-MDI/MDIX, RJ45 port with 10/100Mbps
Work mode: TCP Server, TCP Client, UDP Client, UDP Server, httpsD Client
Serial port baud rate from 600 bps to 460.8 Kbps, Check bit of None,Odd,Even,Mark and Space
Self-defined heartbeat package mechanism to ensure connection is reliable, put an end to dead link
Self-defined registration package mechanism, check connection status and use as custom packet header
Under TCP Server mode, Client number ranges from 1 to 16; default number is 4
User can set parameters via webpage, AT command, serial protocol and network protocol; and setting protocol is provided, users can integrate it to their own software
Support DHCP, automatically obtain an IP address
Support DNS function and custom setting of DNS server
The global unique MAC address bought from IEEE, user can define MAC address
Upgrade firmware via network
Support virtual serial port and provide corresponding software USR-VCOM
Restore factory default via software and hardware
Across the gateway, switches, routers
Can work in LAN, also can work in the Internet (external network)
Provide PC TCP/IP socket programming example such as VB,C++,Delphi,Android and IOS
Support customization

Application Field of SMT Ethernet Modules

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

Function of SMT Ethernet Modules

Function of SMT Ethernet Modules

Application of SMT Ethernet Modules

Application of SMT Ethernet Modules, remotely manage multiple serial devices


Image of SMT Ethernet Modules

Image of SMT Ethernet Modules

System Information
Flash32K byte
Port Number1
Interface StandardRJ45
Rate10/100 Mbps, MDI/MDIX, auto switch between cross and direct connection
Protection2KV electromagnetism isolation
Network ProtocolIP, TCP, UDP, DHCP, DNS, https, ARP, ICMP
BufferSend: 6K bytes, receive: 4K bytes
Port Number1
Interface StandardTTL
Data Bits5, 6, 7, 8
Stop Bit1, 2
Check BitNone, Even, Odd, Space, Mark
Baud Rate600 bps ~ 460.8 Kbps
Flow ControlNull
BufferReceive: 800 bytes
RS-485 Pull-up and Pull-Down ResistorNull, reserved 485 send-receive control pin
Virtual Serial(USR-VCOM)Windows 2000 or higher (32 bit/64 bit)
Configurationcomputer set-up software, serial command, built-in webpage, AT command
Basic Parameter
Size33 x 20.3 mm
Operating Temp.-25~ 75°C
Storage Temp.-40 ~ 105°C, 5 ~ 95% RH
Input VoltageDC 3.3V
Working Current150mA (aver), 200mA (max)
Warranty2 years


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