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CH9121 TCP/IP Ethernet to Serial Module
$5.9500
In stock
SKU
COM-04-015
Volume discounts:
- +25 5 % $5.6800
- +50 7 % $5.5400
- +100 9 % $5.4100
- +300 11 % $5.2700
- +500 14 % $5.1400
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W5100 Ethernet Shield for Arduino Previous 
The CH9121 TCP/IP Ethernet to Serial Module is a compact and powerful device designed to facilitate the integration of serial devices with Ethernet networks. Featuring a single RJ45 port for 10/100 Mbps LAN connections and robust protection with 2KV electromagnetic isolation, this module supports a range of network protocols including IP, ARP, TCP, UDP, ICMP, IGMP, and DHCP. It provides a TTL serial port with flexible baud rates and various data configurations, making it suitable for diverse applications. Its compact size and wide operating temperature range ensure reliable performance in different environments.
Specifications of CH9121 TCP/IP Ethernet to Serial Module
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Number of Ports: 1
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Interface Standard: RJ45 (Ethernet), TTL serial port (2.54mm pin)
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LAN Ethernet: 10 / 100 Mbps
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Data Cache: 6K bytes
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Protection: 2KV electromagnetic isolation
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Network Protocols: IP, ARP, TCP, UDP, ICMP, IGMP, DHCP
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Serial Port Parameters:
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Number of Ports: 1
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Interface Standard: TTL serial port, 2.54mm pin, 3.3V or 5V level
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Baud Rate: 300 bps - 921600 bps
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Data Bits: 5, 6, 7, 8, 9
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Stop Bits: 1, 2
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Parity: None, Odd, Even
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Flow Control: None
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Cache: 2K bytes
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Supporting Software:
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Parameter Configuration: Network configuration software, serial AT commands
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Module Testing: Test software for network and serial
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Basic Parameters:
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Size: 43 x 23 x 14.5 mm (L x W x H)
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Working Voltage: DC 3.3V / 5V
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Operating Current: 200 mA @ 5V
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Power Consumption: ≤ 1W
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Operating Temperature: -40°C to 85°C
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Storage Temperature: -55°C to 125°C
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Datasheet of CH9121 TCP/IP Ethernet to Serial Module
| Interface Type | UART, Ethernet |
|---|---|
| Operating Voltage (V) | 3.3V / 5V |
| Operating Current (mA) | 200 mA @ 5V |
| Operating Temp (°C) | -40 to 85 |
| Dimensions (mm) | 43 x 23 x 14.5 mm |
| Mounting Type | THT |
| Network Protocol | TCP/IP, UDP |
| Data transmission rate | 10 / 100 Mbps |
| Standard | Ethernet |
| Voltage Levels | 3.3V, 5V |
| Chipset | CH9121 |
| Protection | 2KV electromagnetic isolation |
| Direction | Bidirectional |
| Baud Rate | 300 bps - 921600 bps |
| Storage Temperature | -55°C to 125°C |
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