CH9121 Serial Port to Ethernet Network Module Chip TTL Transmission Industrial Microcontroller STM32 TCP/IP 51 3.3V 5V
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
Supporting Software:
Parameter configuration: network configuration software, serial AT command
Module testing: test software (network, serial one)
Basic Parameters:
Working voltage DC3.3V / 5V
Operating current 200mA @ 5V
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
Colour:blue+silver
Material:plastic+metal
Package Contents:
1 x CH9121 Serial Port to Ethernet Network Module
Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
What's in the box
1 x Ch9121 Serial Port To Ethernet Network Module
