Waveshare 34251 CM5 Gigabit/2.5G Dual Ethernet Multi-Function Expansion Board Supports RS485 Industrial Communication, 4G / 5G Module And 4K Display Output

1. CM5 card slot: compatible with all versions of Compute Module 5
2. Networking: 1000M Ethernet RJ45 port x 1; 2500M Ethernet RJ45 port x 1
3. Video: HDMI port x 1, supporting 4K output
4. USB: USB 2.0 port (Type-C) x 1; USB 2.0 port (Type-A) x 1; USB 3.2 Gen1 port (Type-A) x 1
5. M.2: M.2 M KEY (PCIe Gen2/3 x 1, supporting 2230 / 2242 / 2280 NVMe or AI modules); M.2 B KEY, supporting 4G / 5G communication modules
6. Storage: onboard Micro SD card slot (for CM5 versions without eMMC)
7. Serial interface: RS485 x 4
8. Digital input: digital input x 1 (input voltage: 5V - 36V)
9. Relay: allowable load: less than or equal to 10A 250V AC or less than or equal to 10A 30V DC
10. Fan interface: 5V, 4-pin JST-SH PWM fan connector
11. Beeper: single-channel controllable
12. Others: onboard encryption chip
13. Power input: 7V - 36V wide voltage (terminal block + round hole) or 5V 5A (Type-C)
14. Size: about 13.25 x 11.22 x 3.45 cm

Base plate packing list:
- CM5-ETH-RS485-4G-BASE x 1
- Screw cap x 1