CH9121 Serial Port To Ethernet Converter Module

CH9121 Serial Port To Ethernet Converter Module - Industrial Grade

The CH9121 Serial Port to Ethernet Converter Module is a robust and reliable networking solution designed specifically for industrial applications. This compact yet powerful module seamlessly bridges the gap between serial communication devices and Ethernet networks, facilitating efficient data transfer and connectivity in industrial environments.

Specifications

• Size : 43mm*23mm*14.5mm
• Working voltage : DC3.3V/5V
• Operating current : 200mA@5V
• Working temperature : -40~85℃
• Storage temperature : -55~125℃

Ethernet Parameters

• Number of ports: 1
• Interface standard: RJ45 interface
• LAN Ethernet: 10 / 100Mbps
• Data cache: 6K bytes
• Protection: 2KV electromagnetic isolation
• Network protocols: IP, ARP, TCP, UDP, ICMP, IGMP, DCHP and so on

Serial Port Parameters

• Number of ports: 1
• Interface standard: TTL serial port, 2.54MM pin, 3.3V or 5V level
• Baud rate: 300 ~ 921600bps
• Data bits: 5,6,7,8,9
• Stop bit: 1,2 bit
• Parity: no parity, odd parity, even parity
• Flow Control: None
• Cache: 2K bytes

Pin Description

1. RESET: Factory reset pin, the module power-on detection, active low
2. DIR: RS485 receive, send switch control pin
3. TCPCS: TCP client mode, the port connection status indicator pin, the connection is successful output low
4. RUN: module running status indication pin, input 2Hz square wave
5. GND: Power Ground Pin
6. 3.3V: 3.3V DC power input pin, greater than 200mA, and 5V DC power supply alternatively
7. GND: Power Ground Pin
8. 5V: 5V DC power input pin, greater than 200mA, and 3.3V DC power supply can choose one of two
9. RSTI: reset pin, the internal pull-up, low-effective, can not be vacant
10. CFG: serial port configuration module enable pin, built-in pull-up, low-effective, do not have to be vacant
11. RXD: Serial data receive pin, serial port TTL level, compatible with 3.3V and 5V
12. TXD: serial data transmission pin, serial TTL level, compatible with 3.3V and 5V
13. GND: Power Ground Pin
14. 3.3V: 3.3V DC power input pin, greater than 200mA, and 5V DC power supply alternatively
15. GND: Power Ground Pin
16. 5V: 5V DC power input pin, greater than 200mA, with the optional 3.3V DC power supply can be