Interfaces
PSU01 Power Supply Connector
Type: M12 4-pin A-coded, plug. Mating connector: M12 4-pin A-coded, socket.
| Pin | Symbol | Description |
|---|---|---|
| 1 | +Vin | Positive Supply Voltage |
| 2 | On/Off | Ignition |
| 3 | -Vin | Negative Supply Voltage (internally connected to Pin 4) |
| 4 | -Vin | Negative Supply Voltage (internally connected to Pin 3) |
Please connect On/Off to +Vin. The Ignition signal is currently not supported.
PSU02 Power Supply Connector
Type: M12 5-pin A-coded, plug. Mating connector: M12 5-pin A-coded, socket.
| Pin | Symbol | Description |
|---|---|---|
| 1 | +Vin | Positive Supply Voltage (internally connected to Pin2) |
| 2 | +Vin | Positive Supply Voltage (internally connected to Pin 1) |
| 3 | -Vin | Negative Supply Voltage (internally connected to Pin 4) |
| 4 | -Vin | Negative Supply Voltage (internally connected to Pin 3) |
| 5 | Ignition | Ignition |
To enable the PSU02, Ignition must be connected to +Vin.
Pull this pin to ground to turn initiate a shutdown sequence.
Warning Shutdown via Ignition is must be supported by the operating system.
CPU01 COM Port
The CPU01 has a RS232 interface via M12 connector for connecting serial devices. RS232 is galvanically isolated from the CPU01. Handshake lines CTS and RTS are available.
Under Linux, the device is available as /dev/ttyS101-CPU01UC-com.
Type: M12 5-pin A-coded, socket. Mating connector: M12 5-pin A-coded, plug.
| Pin | Symbol | Description |
|---|---|---|
| 1 | GND_ISO | RS232 Ground |
| 2 | CTS | RS232 CTS (input) |
| 3 | TxD | RS232 Transmit Data (output) |
| 4 | RTS | RS232 RTS (output) |
| 5 | RxD | RS232 Receive Data (input) |
CPU01 USB 2.0 Port
The CPU01 has a USB 2.0 port via M12 connector for connecting USB devices. The CPU01 acts as a USB host. The interface is not galvanically isolated from the CPU01 logic.
Type: M12 4-pin A-coded, socket. Mating connector: M12 4-pin A-coded, plug.
| Pin | Symbol | Description |
|---|---|---|
| 1 | VCC | +5V |
| 2 | D- | Data- |
| 3 | D+ | Data+ |
| 4 | GND | Ground |
CPU01 Ethernet Ports
The CPU01 has two 10/100/1000BASE-T Ethernet ports via M12 connectors.
Under Linux, Interface labelled ETH1 is available as eth0, Interface labelled ETH2 is available as enp5s0.
Type: M12 8-pin X-coded, socket. Mating connector: M12 8-pin X-coded, plug.
| Pin | Symbol | Description |
|---|---|---|
| 1 | A+ | Data Pair A, pos |
| 2 | A- | Data Pair A, neg |
| 3 | B+ | Data Pair B, pos |
| 4 | B- | Data Pair B, neg |
| 5 | D+ | Data Pair D, pos |
| 6 | D- | Data Pair D, neg |
| 7 | C+ | Data Pair C, pos |
| 8 | C- | Data Pair C, neg |
CPU01 LTE Antenna Interfaces
The CPU01 has two LTE antenna interfaces via SMA connectors.
LTE1 is connected to the LTE Modem’s Main antenna port.
LTE2 is connected to the LTE Modem’s Aux antenna port.
CPU01 WLAN Antenna Interfaces
The CPU01 has two LTE antenna interfaces via reverse SMA connectors.
WLAN1 is connected to the WLAN module’s Main antenna port.
WLAN2 is connected to the WLAN module’s Aux antenna port.
CPU01 GNSS Antenna Interface
The CPU01 has a GNSS antenna interface via SMA connector. Use active GNSS antennas only.
CPU01 Interfaces under Service Cover
The following interfaces are accessible only when the service cover is removed.
CPU01 SIM Card Slots
The CPU01 has two nano-SIM card slots for LTE Modem SIM cards. The second SIM card slot is only usable if the LTE modem support dual SIM cards.
CPU01 MicroSD Card Slot
The CPU01 has a MicroSD card slot for storage expansion.
Under Linux, the device is available as /dev/mmcblk1.
CPU01 Console Port
The CPU01 has a console interface available via USB-to-Serial converter. The interface is available via USB-C connector behind the service cover. Use a USB-C to USB-A cable to connect to a PC. USB-C to USB-C cables are not supported.
The default baud rate is 115200.
The interface is not galvanically isolated from the CPU01 logic.
CPU01 USB Service Port
The CPU01 has a USB service port as USB OTG port. It is currently only supported for factory programming.
CPU01 Battery Slot
To backup the RTC, the CPU01 has a battery slot for a battery. The battery type is CR11108, sometimes also called 1/3N, CR1/3N.