TUOPUONE Dual ETH Quad RS485 Base Board Compatible with Raspberry Pi Compute Module 4, Gigabit Ethernet, 4CH Isolated RS485

Description

• This is CM4-ETH-RS485-BASE-B, which is an expansion board that can be used with RPi Compute Module 4, and supports a 7-36V DC power supply and 5V DC power supply of Type-C interface.
• Onboard four isolated RS485 interfaces, 100M+1000M dual network ports, HDMI interface, two CSI interfaces, two USB interfaces, etc...
• More Rich InterfacesVarious Inter:faces Including: Dual ETH / RS485 / CSI / FAN / HDMI / Micro SD / USB
• Application Examples:Suitable For RPi Applications Requiring Multi-Channel RS485 Communication Or Other Industrial Context
• Encryption chip: ATSHA204 encryption chip, providing multiple encryption to ensure data security and reliability

Product Description
My name is CM4-ETH-RS485-BASE-B, which is an expansion board that can be used with RPi Compute Module 4, and supports a 7-36V DC power supply and 5V DC power supply of Type-C interface.
Onboard four isolated RS485 interfaces, 100M+1000M dual network ports, HDMI interface, two CSI interfaces, two USB interfaces, etc...

Precautions for use
Do not plug and unplug any device except USB and HDMI when it is powered on.
Confirm the fan voltage before connecting, only support 5V.
The Type C interface can be used as a power supply or as a USB interface to burn the image (need to use the DIP switch to switch).
In order to ensure the normal power supply of CM4, please do not connect other devices when using the Type C interface to burn the image.
When CM4 is in normal use, it needs to provide a 5V 2A power supply for CM4. Otherwise, there may be problems such as automatic shutdown, frequency reduction, and so on.
USB2.0 is closed by default, if you need to open it, you need to add dtoverlay=dwc2,dr_mode=host in config.txt.

PACKAGE CONTENT
CM4-ETH-RS485-BASE-B x1

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