Interface Overview

Front view

Rear view（MB200）

Dimensions（MB200）

Interface functions

Two-digit DIP switch

silk screen：SW1
The pins and signals are defined as follows：

Reset switch

Silkscreen: SW2
Function: press reset

Debug serial port

Silk screen: P1
Interface attributes: UART0, RS-232 level
The pins and signals are defined as follows:

232 serial port & 485 serial port

Silk screen：J1

The pins and signals are defined as follows：

DI extension

Silk screen: J2
Interface attributes: extended DI, optocoupler isolation
The pins and signals are defined as follows:

DO extension

Silkscreen: J3
Interface attributes: extended DO, optocoupler isolation
The pins and signals are defined as follows:

GPIO&PMU control

Silkscreen: J4
Interface attributes: spare pins, some can be used as GPIO The pins and signals are defined as follows:

4G mini-PCIE & SIM Deck

The pins and signals are defined as follows：

K20-JTAG

Silkscreen: J8
Interface attributes: K20-JTAG programming module interface The pins and signals are defined as follows：

SD Deck

Silkscreen: J9
Interface attributes: standard SD card socket, support SD3.01, speed is UHS-1 standard The pins and signals are defined as follows：

USB Extension

Silkscreen: J10
Interface attributes: USB1 expansion USB3.0 + USB2.0, USB TYPE-A interface The pins and signals are defined as follows：

Main power input & switch

The pins and signals are defined as follows：

Ethernet

The pins and signals are defined as follows：

LORA Module

Silkscreen: U23
Interface attributes: LORA module, serial communication The pins and signals are defined as follows：

WIFI/BT Module

Silkscreen: U24
Interface attributes: WIFI / BT module, USB communication
The pins and signals are defined as follows：

ZIGBEEModule

Silkscreen: U26
Interface attributes: ZIGBEE module, serial communication The pins and signals are defined as follows：