Serial Server Serial Device Networking Server Network to RS232 RS485 Ethernet, USR-TCPIP-300 is a cost-effective serial device networking service area product designed and developed by Jinan Youren Technology Co., Ltd. It is simple, reliable, and reasonably priced
The USR-TCPIP-300 is a cost-effective serial device networking service area product designed and developed by Jinan Youren Technology Co., Ltd. It is a simple, reliable, and reasonably priced serial device networking service area product.
Detailed instruction manual for this product: http://www.hz-cq.com/8980-2536/16931_444.html
We provide customers with complete IoT system solutions, focusing on developing microcontroller networking products and projects,Wired networking WLAN,WIFI networking,GPRS networking.
We also offer embedded networking modules that are simple, reliable, and reasonably priced.
Our advantages:
- Starting from 2006, with years of technological accumulation and completely independent intellectual property rights, we can provide better technical and service support without any copyright disputes.
- The product has undergone a year long testing period and has been tested in large-scale projects.
- We can provide server-side software development support and have the ability to design up to 10000 sets of devices for online networking on the server-side.
- All use genuine imported chips, with mass production of products using machine mounting and wave soldering processes, ensuring quality assurance.
- Advanced hardware solutions, lower costs, can provide you with more suitable prices.
- Not using any operating system, completely self-developed from the bottom, with application experience from the front line of large-scale IoT projects, higher reliability, and better real-time performance.
- Strong supply capability, sufficient funds, good supplier relationships, selecting suitable chips, and ensuring bulk supply to customers. We guarantee a stock of over 100 sets of any product in stock.
- Our philosophy is simple functionality, stable performance, and reasonable price.
Order model
| name |
model |
Serial port level |
Instructions |
| Microcontroller network card module |
USR-TCP232-T |
TTL |
Embedded into customer PCB for use, with RJ45 socket |
| Serial port to network module |
USR-TCP232-24 |
RS485/RS234 |
RS232/RS485 via jumper selection The image is for this version
|
| Ethernet to serial port module |
USR-TCP232-D |
TTL |
DIP packaging module, embedded into customer PCB for use, without RJ45 socket,Pin compatible with ZLG products |
| serial port server |
USR-TCP232-300 |
RS232/RS485 |
Serial port server with shell, set parameters through network |
thisserial port serverProduct Features:
- Adaptive 10/100M high-speed network
- Supports RS232 and RS485 dual interfaces, jumper selection,
- Supports AUTO MDI/MDIX and can be connected using crossover or parallel Ethernet cables;
- Supports baud rates between 300 and 256000 bps
- Customized high-end aluminum alloy shell, exquisite product appearance, effectively protecting product operation.
- The working mode can be selected as TCP Server, TCP Client, UDP working mode, or UDP Server working mode;
- Support virtual serial port working mode
- The working port, target IP address, and port can be set arbitrarily;
- Automatically disconnect after network disconnection to ensure reliable establishment of TCP connections throughout the entire network;
- In TCP Server mode, it can support four links simultaneously;
- Flexible serial data framing settings to meet users' various subcontracting needs;
- Provide supporting TCPIP programming materials and support;
- All use imported original chips, machine mounted production technology, and quality assurance.
- Protocol: Ethernet, ARP, IP, UDP, TCP;
- Power supply: Input power supply: 5V DC
- Mechanical parameters: Dimensions (L × W × H): 95 × 87 × 25 (mm)
- Working temperature: Industrial grade: -25~75 ° C
- Storage environment: -40~85 ° C, 5~95% RH
Serial port server, serial device networking server, network to RS232 RS485, serial port to Ethernet. This product is positioned as:Direct application of engineering.
A large amount of data without packet loss, ultra fast response speed, and actual testing can achieve a throughput of 11000 bytes per second at 115200 baud rate.

Packing list:
- 1. One serial port server
- 2. One DC 5V power adapter
- 3. direct connectionTwo meters per Ethernet cable
- 4. RS232 9-pin serial port extension cable (9 for 9-hole, direct connection, can be used to connect with a computer)
- 5. One RS232 communication cable (9 for 9-pin, 2 and 3 crossed, used to connect RS232 devices for communication)
- 6. One information CD


