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New SMT Serial UART TTL to Ethernet TCP/IP Converter
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Unique Features
1.Support DHCP and DNS
2.Support built-in webpage
3.Support HTTPD Client
4.Upgrade firmware via network
TTL Ethernet Module Download
User Manual: USR-TCP232-S2
Evaluation Kit: USR-TCP232-EVB
Client Support Center: submit your ticket at h.usriot.com If you have technical problems about the product.
TTL Ethernet Module Introduction
USR-TCP232-S2 is a tiny size SMT serial Ethernet module 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.
TTL Ethernet Module Feature
- Auto-MDI/MDIX, RJ45 port with 10/100Mbps
- Work mode: TCP Server, TCP Client, UDP Client, UDP Server, HTTPD 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
- Setting protocol is availiable, users can integrate it to their own software
- The global unique MAC address bought from IEEE, user can define MAC address
- 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
TTL Ethernet Module Parameter
| Parameter | Value |
| Input Voltage | DC 3.3V |
| Current | 150mA (aver), 200mA (max) |
| Size | 33 x 20.3 mm |
| Operating Temp. | -25 ~ 75°C |
| Storage Temp. | -40 ~ 105°C, 5 ~ 95% RH |
| Interface | TTL UART |
| Packing list | USR-TCP232-S2 *1 |
TTL Ethernet Module Function
TTL Ethernet Module Image
| System Information | |
| Processor | ARM |
| Flash | 32K byte |
| Ethernet | |
| Port Number | 1 |
| Interface Standard | RJ45 |
| Rate | 10/100 Mbps, MDI/MDIX, auto switch between cross and direct connection |
| Protection | 2KV electromagnetism isolation |
| Network Protocol | IP, TCP, UDP, DHCP, DNS, HTTP, ARP, ICMP |
| Buffer | Send: 6K bytes, receive: 4K bytes |
| Serial | |
| Port Number | 1 |
| Interface Standard | TTL |
| Data Bits | 5, 6, 7, 8 |
| Stop Bit | 1, 2 |
| Check Bit | None, Even, Odd, Space, Mark |
| Baud Rate | 600 bps ~ 460.8 Kbps |
| Flow Control | Null |
| Buffer | Receive: 800 bytes |
| RS-485 Pull-up and Pull-Down Resistor | Null, reserved 485 send-receive control pin |
| Software | |
| Virtual Serial（USR-VCOM） | Windows 2000 or higher (32 bit/64 bit) |
| Configuration | computer set-up software, serial command, built-in webpage, AT command |
| Basic Parameter | |
| Size | 33 x 20.3 mm |
| Operating Temp. | -25~ 75°C |
| Storage Temp. | -40 ~ 105°C, 5 ~ 95% RH |
| Input Voltage | DC 3.3V |
| Working Current | 150mA (aver), 200mA (max) |
| Power | <1W |
| More | |
| Warranty | 2 years |
| Accessory | Null |
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User Manual
[Datasheet] USR-TCP232-S2 Datasheet | download
[AT Command] USR-M0 AT Command Set V1.0.1 | download
[User Manual] USR-TCP232-S2 User Manual V1.0.1 | download
[User Manual] USR-TCP232-S2 Hardware Manual V1.0.1 | download
[User Manual] USR-TCP232-S2 Software Manual V1.0.1 | download
[Selection Table] Ethernet Module Selection Table | download
Development File
[Demo Code] TCPIP Demo Code | download
[Customized Webpage] USR-TCP232-S2 Customized Webpage_V4015 | download
[Customized Webpage] USR-TCP232-S2 Customized Webpage_V4017 | download
[Development File] USR-TCP232-S2-lib | download
Application Software
[USR-VCOM] Virtual Serial Software V3.7.2.525 | download
[USR-TCP-Test] Testing Software | download
[USR-TCP-Test_android] Testing Software | download
[USR-M0] USR-M0 Setup Software V2.2.4.288 | download
Product Certificates
[Certificate] M0 Series CE FCC ROHS WEEE Certificate | download
[CE Certificates] ce-certificates-serial-to-ethernet-module-2017 | download
[Certificate] 2019-USR-TCP232-ED2ROHS2.0 | download
Company File