Raspberry Pi Compute Module 4 I/O PoE 4G Board (20535)

The Raspberry Pi Compute Module 4 is not included

The Raspberry Pi Compute Module 4 I/O PoE 4G Board (20535 ) is an industrial-grade IoT device base board designed for the Raspberry Pi Compute Module 4. It has communication functions including 5G/4G/3G/2G global cellular network and PoE Ethernet power over internet function. The board contains various industrial isolated interfaces such as CAN, RS485, RS232, ADC and GPIO, making it an ideal choice for various industrial IoT applications. Compared to the CM3 version, this version provides higher processing performance.

Key features:

• Compatible with the Raspberry Pi 4 computing module
• M.2 slot for connecting a separate communication module, with 5G / 4G / 3G / 2G network support
• Ethernet port 10 / 100M / 1000M with auto-negotiation, with PoE enabled
• USB HUB, allows you to connect more USB devices
• USB TO UART, for serial debugging
• Provides various industrial isolated interfaces: CAN, RS485, RS232, ADC, GPIO, RTC
• Multiple video related ports such as HDMI, DSI, CSI
• LED indicators to monitor the working status

Specifications:

• CM4 SOCKET connector. Suitable for all variants of Compute Module 4
• Communication:
  Gigabit Ethernet RJ45 connector, integrates 802.3af compliant PoE circuitry (5V/2.5A)
  M.2 B KEY, supports 5G/4G module
  SIM card slot, supports standard SIM card for 5G/4G/3G/2G communication
• SENSORS. Isolated RS485, isolated RS232, PCIe Gen 2 x1, I2C, ADC, GPIO
• USB port. Two USB 2.0 type A
• DISPLAY: Two MIPI DSI display ports (15-pin FPC 1.0 mm connector)
• CAMERA: Two MIPI CSI-2 camera ports (15-pin 1.0mm FPC connector)
• VIDEO. Two HDMI ports, support 4K 30 frames per second output
• RTC. Real-time clock with battery compartment and wake-up option Compute Module 4
• STORAGE. MicroSD card slot for Compute Module 4 Lite variants (without eMMC)
• Cooling fan with adjustable speed, 5V/12V input
• 7V 36V POWER SUPPLY
• Overall dimensions. 160 × 114 mm

Interfaces (M.2/CSI/DSI/HDMI/USB/ETH/PCIe/RS232/RS485):

Example of use:

Board elements:

1. Compute Module 4 connector for connecting Raspberry Pi Compute Module 4
2. Power input. Wide-band power supply 7-36 V
3. CM4 status indicator
   red: Raspberry Pi power indicator
   green: Raspberry Pi operating status indicator
4. M.2 status indicator
   red: indicator is on
   green: operating status indicator
5. The user LED indicator is convenient for testing I/O output or monitoring program execution status
6. USB TO UART for serial debugging
7. HDMI. two HDMI ports, support dual 4K 30fps output
8. USB 2.0. two USB 2.0 ports for connecting USB devices
9. RJ45 Gigabit Ethernet. Gigabit Ethernet port 10/100/1000 Mbps with auto-negotiation, with PoE Power Over Ethernet functions
10. M.2 slot for connecting a 5G/4G communication module
11. SIM card slot supports standard SIM card for 4G/3G/2G communication
12. RTC real-time battery holder supports CR1220 battery type
13. PCIe Gen 2×1 connector
14. Fan connector for connecting a cooling fan, allows you to adjust and measure the speed
15. Buzzer
16. DISP. two MIPI DSI display ports
17. SAM. two MIPI CSI camera ports
18. Isolated GPIO allows you to control / detect devices via GPIO
19. Isolated I2C allows controlling/reading devices via I2C
20. Isolated differential ADC input
21. Isolated CAN interface
22. Isolated RS485 interface
23. Isolated RS232 interface
24. Micro SD card slot (bottom side). Insert a Micro SD card with a pre-recorded system to start the Compute Module 4 Lite
25. USB-C programming port (bottom side) allows you to write a system image to the Compute Module with eMMC option

Overall dimensions: 160mm x 114mm

Information for developers (Wiki): Compute_Module_4_PoE_4G_Board

Scope of delivery:

1. Compute Module 4 PoE 4G Board x1

Weight: 0.158 kg