DescriptionCompute Module 4 PoE Board (B)Suitable For Evaluating The Raspberry Pi CM4 Or Being Integrated Into End ProductsPoE Base Board for all Compute Module 4 VariantsSpecificationsCM4 SOCKETsuitable for all variants of Compute Module 4NETWORKINGGigabit Ethernet RJ45 connector, integrates 802.3af-compliant PoE circuit (5V/2.5A)CONNECTORRaspberry Pi 40PIN GPIO header, non-isolated RS485, non-isolated RS232, PCIe Gen 2 × 1USBUSB 2.0 Type A × 4DISPLAYMIPI DSI display port × 2 (15pin 1.0mm FPC connector)CAMERAMIPI CSI-2 camera port × 2 (15pin 1.0mm FPC connector)VIDEOHDMI port × 2, supports 4K 30fps outputRTCReal-time clock with battery socket and ability to wake Compute Module 4STORAGEMicroSD card socket for Compute Module 4 Lite (without eMMC) variantsFAN HEADERallows speed adjustment and measurement, 5V / 12VPOWER INPUT5VDIMENSIONS124.5 × 108.8mmConnecting With Compute Module 4Standard CM4 Socket And Color-Coded Raspberry Pi 40PIN GPIO Header Suitable For All Variants Of Compute Module 4Rich Peripheral ConnectorsOnboard Connectors Including CSI/DSI/HDMI/USB/ETH/PCIe/RS232/RS485What’s On BoardCM4 socket suitable for all variants of Compute Module 440PIN GPIO headerBOOT selection ON: CM4 would be booted from USB-C interface OFF: CM4 would be booted from eMMC or Micro SD cardMisc functional pinsUSB Type-C power supply / programming 5V/2.5A power supply, also allows burning system image into Compute Module 4 eMMC variantsStatus indicators ACT: Raspberry Pi operating status indicator PWR: Raspberry Pi power indicatorDISP 2x MIPI DSI display portCAM 2x MIPI CSI camera portsUSB2.0 ports 4x USB2.0 ports, for connecting sorts of USB devicesHDMI ports 2x HDMI ports, supports dual 4K 30fps outputRTC battery holder supports CR1220 button cellFAN header for connecting cooling fan, allows speed adjustment and measurementPCIe Gen 2 × 1 socket forconnecting PCIe Gen 2 × 1 modulesGigabit Ethernet connector Gigabit Ethernet RJ45 with PoE support, 10/100/1000M compatibleDC 5V outputRS485 with 600W lightningproof, anti-surge, and 15KV ESD protection, reversed optional 120R balancing resistor jumperRS232 with TVS diode, anti-surge, and ESD protectionBuzzerFAN_VDD/PoE selection cooling fan driving voltage: 12V or 5V PoE: enable (EN) or disable (DIS)FE1.1S USB expansion chipPCF52063ATL RTC chipRTC/FAN I2C bus switch, SDA0/SCL0: I2C-10 is shared with CSI/DSI GPIO3/2: I2C-1 is shared with 40PIN headerIO logic level selection set the CM4 IO logic level as 3.3V or 1.8VRTC interruption configuration PI-RUN: CM4 will reboot on RTC interruption GN-EN: CM4 powerdown on RTC interruption D4: D4 pin is triggered on RTC interruptionMicro SD card slot insert a Micro SD card with pre-burnt system, to start up Compute Module 4 LiteOutline DimensionsApplication ExampleSuitable For PoE Powered Raspberry Pi Projects, Or Other Industrial Contextfor reference only, CM4, display, and cameras are NOT included.Resources & ServicesWIKI: Compute_Module_4_PoE_Board_(B)* Resources for different product may vary, please check the wiki page to confirm the actually provided resources.
