{"product_id":"ch9121-serial-port-to-ethernet-network-module-ttl-transmission-module-industrial-microcontroller-stm32","title":"CH9121 Serial Port to Ethernet Network Module TTL Transmission Module Industrial Microcontroller STM32","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eVoltage Regulator\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eEthernet Parameters\u003c\/div\u003e\n\u003cdiv\u003eNumber of ports: 1\u003c\/div\u003e\n\u003cdiv\u003eInterface standard: RJ45 interface\u003c\/div\u003e\n\u003cdiv\u003eLAN Ethernet: 10 \/ 100Mbps\u003c\/div\u003e\n\u003cdiv\u003eData cache: 6K bytes\u003c\/div\u003e\n\u003cdiv\u003eProtection: 2KV electromagnetic isolation\u003c\/div\u003e\n\u003cdiv\u003eNetwork protocols: IP, ARP, TCP, UDP, ICMP, IGMP, DCHP and so on\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eSerial Port Parameters\u003c\/div\u003e\n\u003cdiv\u003eNumber of ports: 1\u003c\/div\u003e\n\u003cdiv\u003eInterface standard: TTL serial port, 2.54MM pin, 3.3V or 5V level\u003c\/div\u003e\n\u003cdiv\u003eBaud rate: 300 ~ 921600bps\u003c\/div\u003e\n\u003cdiv\u003eData bits: 5,6,7,8,9\u003c\/div\u003e\n\u003cdiv\u003eStop bit: 1,2 bit\u003c\/div\u003e\n\u003cdiv\u003eParity: no parity, odd parity, even parity\u003c\/div\u003e\n\u003cdiv\u003eFlow Control: None\u003c\/div\u003e\n\u003cdiv\u003eCache: 2K bytes\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eSupporting Software\u003c\/div\u003e\n\u003cdiv\u003eParameter configuration: network configuration software, serial AT command\u003c\/div\u003e\n\u003cdiv\u003eModule testing: test software (network, serial one)\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eBasic Parameters\u003c\/div\u003e\n\u003cdiv\u003eSize 43mmx23mmx14.5mm (length x width x height)\u003c\/div\u003e\n\u003cdiv\u003eWorking voltage DC3.3V \/ 5V\u003c\/div\u003e\n\u003cdiv\u003eOperating current 200mA @ 5V\u003c\/div\u003e\n\u003cdiv\u003ePower consumption 1W\u003c\/div\u003e\n\u003cdiv\u003eOperating temperature -40 ~ 85 ° C\u003c\/div\u003e\n\u003cdiv\u003eStorage temperature -55 ~ 125 ° C\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003ePin Description\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e1. RESET:  Factory reset pin, the module power-on detection, active low\u003c\/div\u003e\n\u003cdiv\u003e2. DIR:  RS485 receive, send switch control pin\u003c\/div\u003e\n\u003cdiv\u003e3. TCPCS:  TCP client mode, the port connection status indicator pin, the connection is successful output low\u003c\/div\u003e\n\u003cdiv\u003e4. RUN:  module running status indication pin, input 2Hz square wave\u003c\/div\u003e\n\u003cdiv\u003e5. GND:  Power Ground Pin\u003c\/div\u003e\n\u003cdiv\u003e6. 3.3V:  3.3V DC power input pin, greater than 200mA, and 5V DC power supply alternatively\u003c\/div\u003e\n\u003cdiv\u003e7. GND:  Power Ground Pin\u003c\/div\u003e\n\u003cdiv\u003e8. 5V:  5V DC power input pin, greater than 200mA, and 3.3V DC power supply can choose one of two\u003c\/div\u003e\n\u003cdiv\u003e9. RSTI:  reset pin, the internal pull-up, low-effective, can not be vacant\u003c\/div\u003e\n\u003cdiv\u003e10. CFG:  serial port configuration module enable pin, built-in pull-up, low-effective, do not have to be vacant\u003c\/div\u003e\n\u003cdiv\u003e11. RXD:  Serial data receive pin, serial port TTL level, compatible with 3.3V and 5V\u003c\/div\u003e\n\u003cdiv\u003e12. TXD:  serial data transmission pin, serial TTL level, compatible with 3.3V and 5V\u003c\/div\u003e\n\u003cdiv\u003e13. GND:  Power Ground Pin\u003c\/div\u003e\n\u003cdiv\u003e14. 3.3V:  3.3V DC power input pin, greater than 200mA, and 5V DC power supply alternatively\u003c\/div\u003e\n\u003cdiv\u003e15. GND:  Power Ground Pin\u003c\/div\u003e\n\u003cdiv\u003e16. 5V:  5V DC power input pin, greater than 200mA, with the optional 3.3V DC power supply can be\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width: 600px;\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sb473497877774c13903c24a951b596c54.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width: 600px;\" src=\"https:\/\/ae01.alicdn.com\/kf\/S0296f19cf986441b9ee74588db2487546.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width: 600px;\" src=\"https:\/\/ae01.alicdn.com\/kf\/S8847e87c2acb4b62b600af95a56ee88dl.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width: 600px;\" src=\"https:\/\/ae01.alicdn.com\/kf\/Se11d814c96734ff89df772e3098e546cJ.jpg\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\r\n","brand":"Yoeruyo","offers":[{"title":"Default Title","offer_id":55141356962091,"sku":"\u003cnone\u003e","price":24.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/Sb473497877774c13903c24a951b596c54.webp?v=1788151798","url":"https:\/\/yoeruyo.com\/products\/ch9121-serial-port-to-ethernet-network-module-ttl-transmission-module-industrial-microcontroller-stm32","provider":"Yoeruyo","version":"1.0","type":"link"}