Raspberry Pi Compute Module 4 IO Board With PoE Feature (Type B), for all Variants of CM4

WIKI: Compute_Module_4_PoE_Board_(B)

PACKAGE CONTENT

Weight: 0.106 kg

1. Compute Module 4 PoE Board (B) x1

1

Raspberry Pi Compute Module 4 IO Board With PoE Feature (Type B), For All Variants Of CM4

Compute Module 4 PoE Board (B)

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	WAVESHARE MINI IO BOARD		WAVESHARE POE IO BOARD (B)	WAVESHARE POE IO BOARD	RASPBERRY PI IO BOARD
	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 2.0 × 4	USB 3.2 Gen1 × 4	USB 2.0 × 2 USB 2.0 × 2 (via pin header)
HEADER	40PIN GPIO × 1 M.2 slot × 1		40PIN GPIO × 1 RS485 × 1 RS232 × 1 standard PCIe Gen 2 × 1	40PIN GPIO × 1	40PIN GPIO × 1 standard PCIe Gen 2 × 1
HDMI	HDMI × 1 HDMI × 1 (via FFC connector) supports 4K 30fps output		HDMI × 2 supports 4K 30fps output
DSI DISPLAY	MIPI DSI display port × 1 (15pin 1.0mm FPC connector)		MIPI DSI display port × 2 (15pin 1.0mm FPC connector)	MIPI DSI display port × 2 (22pin 0.5mm FPC connector)
CSI CAMERA	MIPI CSI-2 camera port × 2 (15pin 1.0mm FPC connector)			MIPI CSI-2 camera port × 2 (22pin 0.5mm FPC connector)
POWER INPUT	5V		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
ETHERNET	Gigabit Ethernet RJ45
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		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/HDMI/USB/ETH/PCIe/RS232/RS485

What's On Board

1. CM4 socket
   suitable for all variants of Compute Module 4
2. 40PIN GPIO header
3. BOOT selection
   ON: CM4 would be booted from USB-C interface
   OFF: CM4 would be booted from eMMC or Micro SD card
4. Misc functional pins
5. USB Type-C power supply / programming
   5V/2.5A power supply,
   also allows burning system image into Compute Module 4 eMMC variants
6. Status indicators
   ACT: Raspberry Pi operating status indicator
   PWR: Raspberry Pi power indicator
7. DISP
   2x MIPI DSI display port
8. CAM
   2x MIPI CSI camera ports
9. USB2.0 ports
   4x USB2.0 ports, for connecting sorts of USB devices

10. HDMI ports
    2x HDMI ports, supports dual 4K 30fps output
11. RTC battery holder
    supports CR1220 button cell
12. FAN header
    for connecting cooling fan, allows speed adjustment and measurement
13. PCIe Gen 2 × 1 socket
    forconnecting PCIe Gen 2 × 1 modules
14. Gigabit Ethernet connector
    Gigabit Ethernet RJ45 with PoE support, 10/100/1000M compatible
15. DC 5V output
16. RS485
    with 600W lightning-proof, anti-surge, and 15KV ESD protection,
    reversed optional 120R balancing resistor jumper
17. RS232
    with TVS diode, anti-surge, and ESD protection
18. Buzzer
19. FAN_VDD/PoE selection
    cooling fan driving voltage: 12V or 5V
    PoE: enable (EN) or disable (DIS)

20. FE1.1S
    USB expansion chip
21. PCF52063ATL
    RTC chip
22. RTC/FAN
    I2C bus switch,
    SDA0/SCL0: I2C-10 is shared with CSI/DSI
    GPIO3/2: I2C-1 is shared with 40PIN header
23. IO logic level selection
    set the CM4 IO logic level as 3.3V or 1.8V

24. RTC interruption configuration
    PI-RUN: CM4 will reboot on RTC interruption,
    GN-EN: CM4 powerdown on RTC interruption,
    D4: D4 pin is triggered on RTC interruption
25. Micro SD card slot
    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.