Reference description:
CH9121 serial port to Ethernet module is equipped with CH9121 network string transparent transmission chip.
CH9121 integrates TCP/IP protocol stack, which can realize network data packet and serial data
Two-way transparent transmission, with TCP CLIENT, TCP SERVER, UDP
CLIENT, UDP SERVER 4 working modes, the highest serial port baud rate can be supported
Supports up to 92160Obps, which can be easily configured through host computer software or serial port commands, which is convenient
Fast.
Product parameter:
1. Built-in Ethernet media transport layer (MAC) and physical layer (PHY)
2. Realize two-way transparent transmission of serial data and network data
3. Support 10/10OM, full duplex/half duplex adaptive Ethernet interface, compatible with 802.3 protocol
Support MDI/MDIX line automatic conversion
5. Support DHCP to automatically obtain IP address, support DNS domain name access
6. Set the chip working mode, port, IP and other network parameters through the host computer software/serial AT command
7. Working mode supports TCP CLIENT, TCP SERVER and UDP
CLIENT, UDP SERVER 4 modes
8. The serial port baud rate supports 30Obps~92160Obps
9. String D TTL level, compatible with 3.3V and 5V
10. Serial support full-duplex and half-duplex serial communication, support RS485 transceiver automatic switching
11. Support DHCP to automatically obtain IP address function
12. Support 0~2000ms serial timeout time setting
13. Support DNS domain name system
14. Support KEEPALIVE mechanism
15.Supply voltage: 3.3V/5V
Porduct Size:
Package Include:
1x CH9121 Serial Port To Ethernet Single Chip Microcomputer Networking Module
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  • This pure essential oil can be diluted for therapeutic grade and/or other applications.
  • We are an essential oil factory . We sell in both small and bulk quantities.
  • Now you can get the wholesale price directly from our store!
  • 100% assurances of quality and service
  • If you are not completely satisfied with your product, let us know within 14 days after receiving the product, and you can also send us an e-mail message, we will deal with the problem of returns and exchanges for you in the first time. We will not bear the back freight if it is not the problem of product quality.
  • This pure essential oil can be diluted for therapeutic grade and/or other applications.
  • We are an essential oil factory . We sell in both small and bulk quantities.
  • Now you can get the wholesale price directly from our store!
  • 100% assurances of quality and service
  • If you are not completely satisfied with your product, let us know within 14 days after receiving the product, and you can also send us an e-mail message, we will deal with the problem of returns and exchanges for you in the first time. We will not bear the back freight if it is not the problem of product quality.
  • This pure essential oil can be diluted for therapeutic grade and/or other applications.
  • We are an essential oil factory . We sell in both small and bulk quantities.
  • Now you can get the wholesale price directly from our store!

On Mar 24, 2023 at 03:00:02 PDT, seller added the following information:

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