Product Overview
WE-E202S/E204S Serial Server provides a protocol conversion product between RS232/RS485 and TCP/IP to meet the solution of serial to Ethernet data transmission channel, this product integrates Ethernet hardware protocols such as MAC and TCP/IP protocol stack, memory management, 10/100M Ethernet transceiver, high-speed serial port, The product integrates TCP/IP protocol stack, memory management, 10/100M Ethernet transceiver, high-speed serial port, RS232 or RS485 and other rich hardware interfaces, and based on the FreeRTOS operating system, the product includes a web page, which can be easily used for remote configuration, monitoring and debugging.
The WE-E202S/E204S serial servers utilize a highly integrated hardware and software platform.
WE-E202S/E204S Serial Server Dimensions 61mm x 26mm x 17.8mm
Application Areas
Serial servers connect serial devices to the Internet and transmit serial data in compliance with the TCP/IP protocol.
- Remote equipment monitoring
- Production Asset Tracking and Monitoring
- Security
- Industrial Sensors and Controllers
- Healthcare equipment
- ATM equipment
- Data acquisition equipment
- UPS Power Management Devices
- Telecommunications equipment
- Data display equipment
blueprint
Overall dimensions

interface definition
pin |
descriptive |
Internet name |
Signal Type |
clarification |
1 |
Ethernet output+ |
TX+ |
O |
Connects to standard RJ45 network cable PIN1 |
2 |
Ethernet Output - |
TX- |
O |
Connects to standard RJ45 network cable PIN2 |
3 |
Ethernet input + |
RX+ |
I |
Connects to standard RJ45 network cable PIN3 |
4 |
Ethernet Input - |
RX- |
I |
Connects to standard RJ45 network cable PIN6 |
5 |
Communication serial port 1TX |
UART1_TXD |
O |
RS232 level |
6 |
Communication serial port 1RX |
UART1_RXD |
I |
RS232 level |
7 |
Power supply input |
VCC |
Power |
5 to 18VDC |
8 |
POWER GROUND |
GND |
Power |
|
9 |
greenerstatus light |
net (computing) |
O |
Lights up on power-up: power supply is normal.
0.3 sec. off, 3 sec. on: Ethernet connection is normal.
0.3 sec. off, 0.3 sec. on: Ethernet connection is different |
|
|
|
|
Regular. |
|
|
|
|
Extinction: no data interaction |
10 |
amber
Data transmission indicator |
Active |
O |
0.3 sec. off, 0.9 sec. on: Serial port output data
0.3 sec. off, 0.3 sec. on: number of serial port receipts |
|
|
|
|
According to Standing Light: two-way sending and receiving. |
Note: The serial port of this device has no hardware flow control function, physical level ±7V
RJ45 connection
caveat
Attention to the use of the product
battery capacity
Local regulations
Outdoor temperature and humidity
Resource support
Installation Manual
instruction manual
Code (if any)
Documentation
External resources
Chip Specification DATASHEET