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Raspberry Pi Compute Module 4 IO Board With PoE Feature, For All Variants Of CM4
Compute Module 4 PoE Board
Suitable For Evaluating The Raspberry Pi CM4 Or Being Integrated Into End Products
PoE Base Board for all Compute Module 4 Variants
What's The Differences
| CM4 IO BOARD |  MINI BASE |  DUAL GIGABIT ETH |  POE BASE (B) |  POE BASE |  RASPBERRY PI OFFICIAL | |
|---|---|---|---|---|---|---|
| LITE VER. | FULL VER. | |||||
| POE | N/A | integrates 802.3af-compliant PoE circuit (5V/2.5A) | PoE header only | |||
| USB | USB 2.0 × 2 USB 2.0 × 2 (via FFC connector) | USB 3.2 Gen1 × 3 | USB 2.0 × 4 | USB 3.2 Gen1 × 4 | USB 2.0 × 4 (2x via pin header) | |
| GPIO | Raspberry Pi 40PIN GPIO × 1 | |||||
| HEADER | M.2 slot × 1 | N/A | RS485 × 1 RS232 × 1 PCIe Gen 2 × 1 | N/A | PCIe Gen 2 × 1 | |
| HDMI | HDMI × 2 (1x via FFC connector) supports 4K 30fps output | HDMI × 2 supports 4K 30fps output | ||||
| DSI DISPLAY | MIPI DSI × 1 (15pin 1.0mm FPC) | MIPI DSI × 2 (15pin 1.0mm FPC) | MIPI DSI × 2 (22pin 0.5mm FPC) | |||
| CSI CAMERA | MIPI CSI-2 × 2 (15pin 1.0mm FPC) | MIPI CSI-2 × 2 (22pin 0.5mm FPC) | ||||
| POWER INPUT | 5V | 7V~36V | 5V | 7V~36V | 12V | |
| FAN | 5V | 5V / 12V | 12V | |||
| no fan control | allows speed adjustment and measurement | |||||
| RTC | N/A | Real-time clock with battery socket and ability to wake Compute Module 4 | ||||
| RJ45 ETHERNET | Gigabit Ethernet | Dual Gigabit Ethernet | Gigabit Ethernet | |||
| CM4 SOCKET | suitable for all variants of Compute Module 4 | |||||
| SD CARD SLOT | MicroSD card socket for Compute Module 4 Lite (without eMMC) variants | |||||
| DIMENSIONS (MM) | 85.0 × 56.0 | 109.0 × 91.5 | 124.50 × 108.80 | 160 × 90 | ||
Connecting With Compute Module 4
Standard CM4 Socket And Color-Coded Raspberry Pi 40PIN GPIO Header
Suitable For All Variants Of Compute Module 4
Rich Peripheral Connectors
Onboard Connectors Including CSI/DSI/RTC/HDMI/USB/ETH/TF Card
What's On Board
- CM4 socket
suitable for all variants of Compute Module 4 - Power input
7~36V wide range power supply - Gigabit Ethernet connector
Gigabit Ethernet RJ45 with PoE support - USB SLAVE port
allows burning system image into Compute Module 4 eMMC variants - USB3.2 ports
4x USB 3.2 Gen1 ports, for connecting sorts of USB devices - HDMI ports
2x HDMI ports, supports dual 4K 30fps output - RTC
RTC battery holder, allows RTC-related functions like wakeup, shutdown, reboot, and more - CAM
2x MIPI CSI camera ports - DISP
2x MIPI DSI display port
- FAN
for connecting cooling fan, allows speed adjustment and measurement - FAN power selection
5V or 12V voltage to drive the fan - IO-VREF/PoE selection
CM4 IO logic level: 3.3V or 1.8V
PoE: enable (EN) or disable (DIS) - 40PIN GPIO header
- CAM0 and DISP0 I2C bus
fit the jumpers when using CAM0 or DISP0 - Misc configurations
- Dual LED indicators
red: Raspberry Pi power indicator
green: Raspberry Pi operating status indicator - TF card slot (bottom side)
insert a Micro SD card with pre-burnt system, to start up Compute Module 4 Lite
Outline Dimensions
Application Example
Suitable For PoE Powered Raspberry Pi Projects, Or Other Industrial Context
for reference only, CM4, display, and cameras are NOT included.
