WSAL17347 – CM-IO-POE-BOX/en

Documentation notice: This technical documentation was independently rewritten from an archived supplier source. Check technical details and commands against the product version and manufacturer documentation before use.

Summary

The CM-IO-POE-BOX is a composite breakout board that works with Raspberry Pi Compute Modules CM3, CM3L, CM3+ and CM3+L. It provides PoE power over a 10/100M Ethernet port, four USB ports, two CSI camera connectors, and HDMI/DSI display interfaces. The board uses an isolated SMPS, supports 27–57 V DC input via PoE, and outputs 5 V / 2.5 A.

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Technical overview

Compatible with CM3, CM3 Lite, CM3+ and CM3+ Lite.
PoE per 802.3af standard; input range 27–57 V DC, output 5 V / 2.5 A.
Four USB ports for additional peripherals.
Two CSI camera connectors; camera pins do not conflict with the 40-pin GPIO, unlike the official IO Board V3.
HDMI and DSI interfaces for connecting displays.
USB-to-UART interface via CP2102 chip for serial debugging.
Cooling fan connection; can auto-run on power-up or be controlled via IO pins.
Dimensions: 114 mm × 84.4 mm; mounting hole diameter 3.2 mm.
Operating temperature range: −25 °C to 80 °C.

Commands and examples – verify before use:

sudo raspivid -t 0 -cs 0
sudo raspivid -t 0 -cs 1
sudo raspi-config
dtparam=arm_i2c
dtoverlay=vc4-kms-dsi-7inch
dtoverlay=cm-swap-i2c0
max_usb_current=1
hdmi_force_hotplug=1
config_hdmi_boost=10
hdmi_group=2
hdmi_mode=87
hdmi_cvt 1024 600 60 6 0 0 0
dtc -I dts -O dtb -o dt-blob.bin dt-blob-dualcam.dts
sudo apt-get update
sudo apt-get install raspberrypi-ui-mods

Notes and version constraints

The source contains outdated or unconfirmed claims about compatibility, electrical values, prices, stock, certifications, or warranty — these were removed or marked as uncertain.
The 'Write image' step depends heavily on the exact CM variant (with or without eMMC); please verify the specific hardware variant before proceeding.
Some steps reference software tools (rpiboot.exe, Win32DiskImager) whose availability and version are not confirmed in the source text.
Camera numbering via the -cs parameter may differ from the silkscreen labels on the board; please test the actual mapping.
For Bookworm systems, certain dtoverlay lines must be added to config.txt; this is version-sensitive.
Please have any steps requiring human confirmation reviewed before implementation.

Source and revision record

Compute Module PoE Board - Waveshare Wiki
Source revision: 104441
Captured: 2026-08-31T04:16:23+00:00
SHA-256: f827578c2d3249452f8bb79f425e9e4711b4b1d6c923022fd2a741fb2aad3c51