Product description: CM4-PoE-UPS Base - pin expander for CM4 - PoE, Gigabit Ethernet, Dual HDMI, Quad USB2.0 - Waveshare 22116
An expansion for the Compute Module 4 in the form of an advanced pin expander . The board features a number of useful interfaces and a battery cage for three batteries , which allows for wireless powering of the CM4 . The CM4-PoE-UPS Base also provides USB, DC, and PoE interfaces, 2x HDMI connectors, 4x USB 2.0 connectors, 1x USB Type-C programming connector, 2x indicator LEDs, 1x Gigabit Ethernet connector, 40 GPIO pins for connecting peripherals, 1x DSI connector, 2x CSI connectors, 1x M.2 KEY slot, and a microSD memory card slot.
Before starting to work with the CM4-PoE-UPS Base, please read the user guide prepared by the manufacturer.
CM4-PoE-UPS Base - pin expander for CM4.
CM4-PoE-UPS Base - pin expander for CM4 - PoE, Gigabit Ethernet, Dual HDMI, Quad USB 2.0 - Waveshare 22116.
Special features of the CM4-PoE-UPS Base
- Designed for use with CM4
- Allows for wireless powering of the module and additionally three external power supply options: USB, DC and PoE interfaces
- It has protection circuits against overcharging/discharging, short circuiting and reverse polarity
- Equipped with a Gigabit Ethernet RJ45 connector, it integrates an 802.3af-compliant PoE circuit (5V/2.5A)
- Equipped with an M.2 KEY slot for connecting an NVME SSD or a communication module with a PCIE M.2 KEY interface
- It can charge batteries and simultaneously power the system from an external power source.
- Automatically switches to battery power in the absence of an external power source, ensuring trouble-free and continuous system operation
- The built-in CSI and DSI connectors have 22 pins with a pitch of 0.5 mm, it is recommended to purchase a CSI adapter and a DSI adapter for use with a camera and display with 15-pin connectors with a pitch of 1 mm
Arrangement of components on the board
The CM4-PoE-UPS Base board includes the following interfaces:
- Battery basket for 3x 18650 batteries
- Power - user button
- 2x HDMI connector
- 4x USB 2.0 connectors
- 1x USB Type-C connector for programming
- 2x status LEDs informing about CM4 operation
- 1x Gigabit Ethernet connector
- 1x DC socket
- Connectors for connecting the fan
- 40 GPIO pins
- Slot for connecting the Raspberry Pi Compute Module 4
- 1x DSI connector
- 2x CSI connector
- 1x M.2 KEY slot
- MicroSD memory card slot
- Battery slot for RTC
View of the components on the board.
Not sure how to power the CM4 with PoE? Use the CM4-PoE-UPS Base board.
Technical specifications
- Compatible with Raspberry Pi Compute Module 4
- Built-in battery basket: yes
- 3x 18650 Li-ion battery slots (battery sold separately)
- Equipped with a Gigabit Ethernet RJ45 connector
- integrates an 802.3af-compliant PoE circuit (5 V/2.5 A)
- USB interface: 4x USB2.0 type A
- Connectors:
- 40-pin GPIO Raspberry Pi
- M.2 KEY slot for connecting an NVME SSD or a communication module with a PCIE M.2 KEY interface
- Display connector: MIPI DSI port 1x (22-pin 0.5mm FPC connector)
- Camera connector: MIPI CSI-2 port 2x (22-pin 0.5mm FPC connector)
- Video connector: HDMI 2x, supports 4K 30fps output
- RTC: built-in real-time clock with battery socket and ability to wake up Compute Module 4
- Memory: microSD card slot for Compute Module 4 Lite (no eMMC)
- Fan connector: 5V/12V with adjustable speed
- Operation indication: LED diode 2x
- Supply voltage: 7 V to 36 V
- Plate dimensions: 175 x 108 mm
Contents of the set
- 1 x CM4-PoE-UPS Base board with three-battery basket
- 3 x Li-Ion 18650 battery
- Mounting elements
Useful links |
