CH9121 Serial Port To Ethernet Single Chip Microcomputer Networking Module

Description

Visit store
Items for sale
About us
Product Details
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
Payment Method
Shipping Policy
Returns & Refund Policy
Feedback
Payment Method
EBAY Managed Payment.
But we only
Accept
your
Ebay Address
, please Make sure it's 100% right.
Payment must be received in 5 business days of auction closing.
Please leave note for your special request (e.g. Colors or Size) in PayPal when you pay the order.
Any special request cannot be accepted after 24 hours of payment, because most of orders will be processed instantly and same day dispatched.
Shipping Policy
1. We only ship to the confirmed address provided by eBay. please make sure your ebay address is 100% matches the address you would like us to ship to. If not, please let us know before we sent you the package, or we will not be responsible for any loss. hope you could understand.
2. Orders will be processed instantly and dispatched within 1-3 business days except hoilday, so we do NOT accept any email/message note after you place orders.
3. All package need to wait 30 days,Please take care it.Less than 30 days,we can't take a refund.
Returns & Refund Policy
All package need to
wait 30 days
(US only n
eed 7-10 days)
,
Please take care it.Less than 30 days,we can't take a refund
.
If the item is defect when you receive it or you are not satisfied with it, please return it within 14 days for a replacement or money back. But the items must be back in factory condition. Please keep in touch with us and double check the return address before you return it.
If is item is defective in 12 months, you can return it to us. We will send you a new replacement after receiving the defective item.
Feedback
We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important to us. We request that you keep in touch with us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns.