TTL to Ethernet Modules | UART over Ethernet Modules

TTL to Ethernet Modules | UART over Ethernet Modules

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Product Name:TTL to Ethernet Modules | UART over Ethernet Modules

  • Model:USR-TCP232-E2

Introduction of TTL to Ethernet Modules USR-TCP232-E2

Serial TTL to Ethernet modules USR-TCP232-E2 are used for data transparent transmission. 2-TTL to Ethernet Modules USR-TCP232-E2 support 2*TTL working at the same time, which are based on Cortex-M4 solution and its basic frequency is up to 120MHz. The internal of the module integrates TCP/IP protocol stack.

Features of TTL to Ethernet Modules USR-TCP232-E2

Cortex-M4 kernel,industrial working temperature range and TCPIP protocol stack.
Auto-MDI/MDIX,RJ45 port with 10/100Mbps
TCP Server, TCP Client, UDP Client, UDP Server and httpsD Client work mode
Multi-ports can work independently at the same time
Can distinguish which serial port connects to the device via port number
Support virtual serial port and provide corresponding software USR-VCOM
Serial baud rate from 600bps to 1024K bps;Check bit of None,Odd,Even,Mark and Space
DNS and DHCP supported
Provide PC TCP/IP socket programming example such as VB,C++,Delphi,Android and IOS
Built-in webpage;also can customize webpage for users
Reload button,one key to restore default settings
RJ45 with Link/Data indicator light,built-in isolation transformer and 2 KV electromagnetic isolation
The global unique MAC address bought from IEEE (begin with D8-B0-4C);user can define MAC address
Support upgrade firmware via network
Support keepalive,rapidly detect dead links
Support account and password,can be used to page login and network settings
Support one channel Websocket,realize bidirectional transparent transmission bewteen webpage and serial 0
Support Modbus RTU to Modbus TCP
Support UDP broadcast function

Application Field of UART over Ethernet Modules USR-TCP232-E2

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

TTL to Ethernet Modules which transmit Data to Web Server Directly


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

TCP Client Mode
Module starts connection to all set TCP Server, if connection fails, module will try to reconnect till success if connection succeeds, Server will transmit data with serial device.

Work Mode of TTL to Ethernet Modules, TCP Clent Mode

TCP Server Mode
Module monitors the set and waits for TCP Client to connect data sent by serial device will transmit to all successfully-linked Clients via module.

Work Mode of TTL to Ethernet Modules TCP server mode


UDP Mode

Module sends data of serial device to the set network device. Module monitors port and sends the received data to serial device.

Work Mode of TTL to Ethernet Modules, UDP Mode


Application of TTL to Ethernet Modules USR-TCP232-E2

Remotely manage multiple serial devices

Remotely manage multiple serial devices, Application of TTL to Ethernet Modules

Use network to extend serial communication distance

Use network to extend serial communication distance, Application of TTL to Ethernet Modules


Multiple PC to remotely manage serial device

Multiple PC to remotely manage serial device, Application of TTL to Ethernet Modules


Various parameter setting method

Software Settings
Download settings software, search Ethernet Modules in the LAN through the serial port server IP, name, MAC address, or the version number. Then set the parameters you need, otherwise keep the default.

Web-page Settings
Open your browser and inter the default IP address of the Ethernet Modules.
Open the login page of Serial Server, Enter the user name and password (default admin).
After setting parameter, Click Save and Restart, then setting will take effect.
Serial AT commands Settings

User can set parameter by module itself without going through another computer to configure. This setting method is used in the following situation: user have to configure IP address and destination IP address on site. AT command can meet the demand. After MCU connects serial server module by TTL (UART), MCU can configure setting by AT command.

System Information
Basic Frequency120MHz
Flash512K byte
Port Number1
Interface Standard8 pin RJ45 (with network transformer)
Rate10/100 Mbps,MDI/MDIX,auto switch between cross and direct connection
Protection2KV electromagnetism isolation
Network ProtocolIP, TCP, UDP, DHCP, DNS, https, ARP, ICMP, Web socket, httpsd client
Receive BufferMax. 16k bytes buffer
Port Number2 (2*TTL, can work at the same time)
Interface StandardTTL: 2.54 pin 3.3V
Data Bits5, 6, 7, 8
Stop Bit1, 1.5, 2
Check BitNone, Even, Odd, Space, Mark
Baud Rate600 bps ~ 1024K bps
Flow ControlRTS/CTS
BufferSend and receive 2k bytes respectively
RS-485 Pull-up and Pull-Down ResistorNull, reserved 485 send-receive control pin
Virtual Serial(USR-VCOM)Windows 2000 or higher (2 bit/64 bit)
ConfigurationBuilt-in webpage, computer set-up software, serial command
Basic Parameter
Size55 x 30 x 23.2 (including Ethernet port and pin)
Operating Temp.-40 ~ 85°C (industry)
Storage Temp.-40 ~ 105°C, 5 ~ 95% RH
Input VoltageDC 3.3 / 5 V
Working Current120mA @ 3.3V
120mA @ 5V
CertificateCE, FCC, ROHS
Warranty2 years

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