| Network |
|---|
| Ethernet |
10/100M auto-negotiation Ethernet port, with PoE enabled, RJ45 connector |
| Cellular |
supports global 4G/3G/2G communication (via onboard SIM slot) |
| WiFi |
supports 802.11b/g/n, 2.4GHz |
| Video / Audio |
|---|
| Camera |
2x CSI ports, can be used simultaneously |
| HDMI |
HDMI HD port |
| Display |
DSI port, for connecting Raspberry Pi DSI display |
| Audio |
3.5mm audio jack, stereo output |
| Speaker |
4PIN speaker connector, supports 8O 5W speaker |
| Industrial Isolated Interfaces |
|---|
| 1 × RS232 |
DR9 (male), isolated, with TVS protection, anti-surge, and ESD protection |
| 1 × RS485 |
screw terminal, isolated, with 600W lightning-proof, anti-surge, and 15KV ESD protection, allows using 120O terminal resistor |
| 1 × CAN |
screw terminal, isolated, lightning-proof, and ESD protection, allows using 120O terminal resistor |
| 4 × GPIO |
screw terminal, isolated, 2 channels as isolated input, 2 channels as isolated output |
| 1 × ADC |
screw terminal, isolated, 16-bit, 860SPS |
| Common used ports |
|---|
| 2 × USB2.0 |
USB type-A connector |
| 1 × USB SLAVE |
for burning system image into CM3 / CM3+ |
| 1 × USB TO UART |
connects to Raspberry Pi serial port by default, configurable by jumper |
| 1 × RTC |
real time clock |
| 1 × Micro SD card slot |
for Micro SD card with pre-burnt system (CM3 Lite / CM3+ Lite only) |
| 1 × SIM slot |
supports standard 4G/3G/2G cellular SIM card |
| Other |
|---|
| Power supply |
DC 7~36V wide voltage range input |