Waveshare PoE UPS Base Board Designed for Raspberry Pi Compute Module 4, and supports POE power supply and 7~36V DC power supply, with four onboard USB2 .0 for user convenience.
User Guide:
Confirm the fan voltage before connecting, it support 5V and 12V. if you want to connect 12V by default, please modify the jumper cap of FAN_VCC
USB Type C interface is used as the USB SLAVE interface to burn the image, and it can also be used as the power supply interface, but cannot be used as the OTG interface.
The BOOT switch is for CM4 startup mode, the ON for CM4 to enter the programming mode, and the OFF for system to starts normally.
In normal use, it is necessary to provide at least 5V 1.5A 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 want to open it, you need to add dtoverlay=dwc2,dr_mode=host in config.txt
When using the POE function, pay attention to check whether the switch supports PoE of the 802.3af network standard.
When you need to use POE, connect the POE jumper cap to the EN position.
The Change LED light is the charging indicator, it is always on when charging, goes off when fully charged, and flashes when it fails.
Packages Includes:
1 x Waveshare PoE UPS Base Board Designed for Raspberry Pi Compute Module 4, Gigabit Ethernet,
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