CH9121 Serial to Ethernet Converter Module

CH9121 Serial to Ethernet Converter Module
  • Product Code:SQ8961
  • Availability: In Stock
  • $7.20
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  • Ex Tax:$7.20
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Tags: Ethernet Module, Serial to Ethernet Converter, Converter, TTL Converter, Serial Port

Description:
CH9121 Serial to Ethernet module carry CH9121 network serial port transmission chip, CH9121 internal integration of TCP/IP protocol stack, can achieve two-way transparent transmission of network data packets and serial port data,have TCP CLIENT、TCP SERVER、UDP CLIENT 、UDP SERVER 4 type working modes,serial port baud rate support of highest to 921600bps,It can be easily configured by the upper computer software or serial port command, convenient and quick.
RS232 to Ethernet, one-button setting parameters, AT means to modify the module parameters in real-time, automatically obtain IP, one button to restore factory settings. The module is a universal serial-to-Ethernet transparent transmission device, which can be connected to MCUs such as 51, AVR, PIC, ARM, etc. or other serial port (TTL) devices.

Features:
Chip: CH9121
Input Voltage: 3.3V, 5V
Power consumption: 1W
Operating temperature: -40℃ ~ 80℃
Storage temperature: -55℃ ~ 125℃
Pin Number: 16 Pins
Size: 43mm x 23mm x 14.5mm

Ethernet:
Port Number: 1
Connector: RJ45
Baud ​​Rate: 10/100 Mbps
Internet Protocol: TCP, UDP, ICMP, IPv4, ARP, IGMP
Protection: KV isolation solenoid

Serial Port:
Port Number: 1
Interface Standard: TTL
Data Bits: 5.6, 7.8 can be set
Stop bit: 1.2 can be set
Control bit: no; odd check, even check, checkmark, control space; can be set
Baud Rate: 300bps ~ 921600bps (can be set)

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

Package Include:
1 x CH9121 Ethernet Module

Electrical Parameters
Baudrate 10/100Mbps (Ethernet) , 300bps ~ 921600bps (Serial)
Input Voltage 3.3V , 5V
Power Consumption 1W
Board Parameters
Main Chip CH9121
Pin Count 16 Pin
Ports RJ45 , TTL
Physical Parameters
Size 43mm x 23mm x 14.5mm
Environmental Conditions and Safety
Operating Temprature -40℃ ~ 80℃
Storage temprature -55℃ ~ 125℃

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