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Raspberry Pi Compute Module 4 I/O Board With PoE (18606)
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The Raspberry Pi Compute Module 4 is not included
Raspberry Pi Compute Module 4 I/O Board With PoE (18606 ) is a WAVESHARE expansion board for exploring the Raspberry Pi 4 computing module with PoE (power over Ethernet), designed for all Raspberry CM4 computing module variants.

The main differences between the WAVESHARE Raspberry Pi Compute Module 4 I/O Board With PoE and the original Raspberry Pi Compute Module 4 I/O Board are as follows:
| WAVESHARE CM4 POE IO BOARD | RASPBERRY PI CM4 IO BOARD | |
| POE. | Contains 802.3af-compliant PoE circuit (5V / 2.5A) | only PoE connector |
| USB | 4 USB 3.2 Gen1 ports 1 Micro USB port | 2 USB 2.0 ports 1 Micro USB port |
| ETHERNET | Gigabit Ethernet RJ45 with PoE support | Gigabit Ethernet RJ45 with PoE support |
| GPIO connector | Color-coded 40PIN GPIOconnector | 40PIN GPIO connector without color coding 1 standard PCIe Gen 2 connector |
| Fan | 5V / 12V standard connector | 12V standard connector |
| Power input | 7V36V | 12V |
Common characteristics with the original Raspberry Pi Compute Module 4 I/O Board:
| CM4 connector | suitable for connecting all modifications of Compute Module 4 | |
|---|---|---|
| RTC | Real-time clock with battery compartment and wake-up option for Compute Module 4 | |
| Video. | 2 MIPI DSI display connectors FPC connectors (22-pin 0.5 mm pitch cable) | |
| Camera | 2 MIPI CSI-2 camera connectors FPC connectors (22-pin 0.5 mm pitch cable) | |
| SD card slot | MicroSD card slot for Compute Module 4 Lite variants (without eMMC) | |
| Overall dimensions | 160 × 90mm | |
Peripheral connectors:

Board components:

- CM4 connector. Suitable for all Compute Module 4 variants
- Power input. Can use a power supply with a voltage range of 7-36 V
- Gigabit Ethernet connector. Gigabit Ethernet RJ45 with PoE support
- USB SLAVE port. Allows you to write a system image to Compute Module 4 with eMMC
- USB3.2 ports. 4 USB 3.2 Gen1 ports for connecting various USB devices
- HDMI ports. 2 HDMI ports, support for dual 4K 30fps output
- RTC. RTC battery holder, allows you to perform RTC-related functions such as wake up, shutdown, reboot, etc.
- CAM. 2x MIPI CSI camera ports
- DISP. 2 MIPI DSI display ports
- FAN. For connecting a cooling fan, allows you to adjust and measure the speed
- Selection of fan power. Voltage 5 V or 12 V for fan drive
- IO-VREF / PoE selection. CM4 IO logical level: 3.3 V or 1.8 V. PoE: enable (EN) or disable (DIS)
- 40PIN GPIO connector.
- CAM0 and DISP0 I2C bus. To use CAM0 or DISP0, jumpers must be installed.
- Jumpers for selecting different configurations
- Double LED indicators. Red: Raspberry Pi power indicator. Green: Raspberry Pi operating status indicator
- TF card slot (on the bottom of the board). To start the Compute Module 4 Lite, you need to insert a Micro SD card with a pre-recorded system.
Overall dimensions (mm):

Information for developers (Wiki): Compute_Module_4_POE_Board
The package includes:
1. Compute Module 4 PoE Board - 1 pc.

Weight: 0.105 kg
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