5.1.5 CAN.........................................................................................................................................................15
5.1.6 Gbit Ethernet ..........................................................................................................................................16
5.1.7 100 Mbit Ethernet ..................................................................................................................................16
5.1.8 USB Host ................................................................................................................................................17
5.1.9 Micro SD card socket.............................................................................................................................17
5.1.10 WiFi/BT ...................................................................................................................................................17
5.1.11 Status LEDs............................................................................................................................................18
5.1.12 Debug Interface .....................................................................................................................................18
5.2 Normal mode.................................................................................................................................................20
5.3 Malfunction ....................................................................................................................................................20
6Software documentation......................................................................................................................................21
6.1 System architecture......................................................................................................................................21
6.1.1 Boot loader U-Boot................................................................................................................................21
6.1.2 Linux Kernel...........................................................................................................................................21
6.1.3 Linux root file system ............................................................................................................................21
6.2 Linux boot process ........................................................................................................................................22
6.2.1 Boot loader.............................................................................................................................................22
6.2.2 Kernel .....................................................................................................................................................22
6.2.3 Root file system .....................................................................................................................................22
6.3 Device access and login ................................................................................................................................23
6.3.1 Console via Debug Interface .................................................................................................................23
6.3.2 Console via Ethernet..............................................................................................................................23
6.3.3 Web interface .........................................................................................................................................24
6.4 Updates ..........................................................................................................................................................24
6.5 Interfaces .......................................................................................................................................................24
6.5.1 RS485-1 ..................................................................................................................................................24
6.5.2 RS485-2 ..................................................................................................................................................24
6.5.3 RS232......................................................................................................................................................24
