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Smartbox, based on the Telit Chipset xE910 is a ready to use solution for connecting to CAN Networks to the Cumulocity IoT Cloud. It provides a CAN Slave Communication as well as 2 Sensorinputs and a Modbus RTU Master Communication. Using the MQTT protocol the terminal comes up with a low traffic solution.




  • LTE Cat 4 (incl. 3G/2G)
  • LTE Cat 1 (incl. 3G/2G)
  • LTE Cat M1
  • NB-IoT (Cat NB1)
  • 3G
  • UMTS | HSPA+ (incl. 2G)
  • UMTS | HSPA (incl. 2G)
  • 2G GSM | GPRS
    Regions EMEA / APAC / Latinamerica / NorthAmerica / Australia / Global (3G / 2G)
    GPS Supported by 2G and 3G Variances
    Production The selected Region,Technology and GPS can be defined during Production. The default assembly is 3G with supported regions EMEA / APAC

    Connectivity/ Features

    Connectivity/ Features
    Layout Layout
    CAN (Raw)
    Type CAN (Raw) | physical CAN
    Standard CAN 2.0A | CAN 2.0B
    (CAN FD not supported)
    Independent CAN-Ports 2 (only 1 supported by firmware)
    Isolation galvanic isolation up to 2500V RMS, each port insulated separately
    Termination yes, each port independent by DIP switch
    Baudrates 50kbit | 100kbit | 125kbit | 250kbit | 500kbit | 1Mbit
    Extended CAN format supported
    CAN Objects max. 100 different object-identifier possible
    Length of data 0...8 Bytes
    Send options send on change (on change of cloud data)
    send every time interval (0...65535ms)
    Receive filters automatic configuration of hardware filters
    LED Link CAN-Status

    Off: CAN not active
    Flickering: CAN RX/TX
    On: CAN not active (CAN objects not defined)
    LED Act Device-Status

    Off: Device is off
    Blinking: Firmware is running (waiting for cloud data)
    Flickering: Firmware is running (process data transfer)
    Fieldbus Modbus
    Type Modbus RTU Master
    Baudrate 4800, 9600, 19200, 38400, 57600, 115200
    Parity Even, ODD, NONE
    Stoppbits 2,1
  • Funct.1 (Read Single Coils)
  • Funct.2 (Read Input Status)
  • Funct.3 (Read Holding Registers)
  • Funct.4 (Read Input Registers)
  • Funct.5 (Write Coil)
  • Funct.6 (Write Holding Register)
  • Datapoints Max. 10 Modbus Slaves, with 100 datapoints per device or 1000 datapoints with 1 device
    Sensors 2 Sensor Inputs
    DIN/O DIN [voltage free]
    AIN NTC | 0..20mA (selectable by Hardware)
    LEDs GSM Flashing- connected to mobile network
    RUN 2xflashing/pause: StartUp Phase
    3xflashing/pause: Connected to Server, Data exchange
    Act Flashing: Sensor Board Power
    Link Flashing: Sensor Board is ready to process data
    USB For programming, Logging and Trace the device

    Cloud Connector

    Cloud Connector
    Availability All Cumulocity Based systems, Cloud der Dinge Deutsche Telekom
    Realtime Clock Updating Realtime automatical from #NTP timeserver
    Application CloudFieldbus (CFB Integrated in Devicemanagement)
    For SetUp connected field devices
    Online Operations Remote Restart
    Fieldbus Configuration Cloud-Device
    Change Transmitinterval from device to Cloud
    Change Communication. Baudrate, Databits, Parity, Stopbits
    Operate the connected Field device: Registervalues (R/W)
    Operate the connected Field device: Change CoilValues (R/W)
    Operate the device with AT Commands in the shell
    Communication MQTT
    Security TLS-Security 1.0 / TLS 1.2 (ab Version 2.4.x)
    Notifications Realtime and Pending Operations
    Shell Operate the device with AT Commands in the shell
    Location Identification by cellular network or GPS Signal (selected- see Radio)
    Tracking Location Route by cellular network or GPS Signal
    Info Operator, Cell ID, LAC, MNC, MCC, Signal strength
    Device Database Device database Support for Modbus and Profibus: Measurements, Event, Alarms, Values, Read, Read/Write, Signed/Unsigned, Decimal Places, Multiplier, Divisor, No of Bits, StartBit
    OTA RemoteUpdate Software
    Data-Exchange Values On Change
    Alarms On Change
    Events On Change
    Measurements Default 900
    Signal strength Is sent every 20 Min as a measurement
    Offline Buffering Alarms, Events, Measurments ≈ 72h
    SMS For Troubleshooting you can operate the device by SMS:
    Change tenant


    Dimensions 100 x 70 x 45 mm
    Weight 89g
    GSM Antenna SMA Connector
    Power Supply Nominal voltage range: 12-24 VDC, 10%
    Maximum continuous (average) supply power: 2.5 W
    Maximum continuous (average) supply current: 200 mA at 12V, 100 mA at 24V
    Mounting Via DIN Rail Adapter or Adapter for Wall Mounting
    SIM Card Format 2FF
    Operating temperature -20..60°C
    Storage temperature -40..85°C
    Operating humidity Max. 85%
    Storage humidity Max. 85%
    IP Class IP20/IP54 (opt.)
    Conformity Declerations 2014/53/EU (Radio Equipment Directive - RED)

    EN301511 v12.5.1 for GSM 900 and 1800 MHz
    EN301908 v11.1.1 for UMTS band 1 and 8

    EN 301489-1 v2.1.1 general part
    EN 301489-52 v0.0.7 for GSM and UMTS