Aircraft Hardware Connection

2025-03-10
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Matrice 4E/4T, Matrice 4D/4TD Device Connection

Before starting the device connection for Matrice 4E/4T/4D/4TD, please read the "Part Names" section in the Matrice 4E/4T, Matrice 4D/4TD User Manualopen in new window for the introduction of aircraft components. The Matrice 4E/4T/4D/4TD supports connection to payload devices using the E-Port Development Kit.

Connect Development Board to E-Port

  1. Connect the aircraft's E-Port interface to the female end of the E-Port coaxial cable, ensuring correct pin alignment.
  2. Connect the male end of the coaxial cable to the E-Port connector with side A facing the bottom of the E-Port adapter board (foam side) and side B facing the front of the E-Port (component side).

Note: The E-Port coaxial USB-C cable doesn't have a foolproof design, allowing A/B side to be reversibly connected. Due to pin layout differences in the aircraft's USB-C, if the coaxial cable is reversed, the other end also needs to be flipped correspondingly. If not flipped correspondingly, the E-Port Development Kit can not power up and communicate.

  1. Switch the USB device/host mode to "Host".
  2. If powering through the E-Port Development Kit, ensure check the voltage values for each port to prevent damaging the payload device.
  3. Connect to the payload device's serial port.
  4. Connect the payload device USB device/USB OTG/network port to the USB 2.0 interface.

Note: When connecting to the payload device's network port, developers can use a USB to network adapter cable and ethernet cable to connect to the USB 2.0 interface.

  1. Turn the E-Port dip switch to "ON".

Connect Device to E-Port Lite Interface

Connect the aircraft directly to a computer using a USB-C cable to perform tuning tasks, or connect directly to a UART payload device with the USB-C OTG Adapter Cable and the USB to TTL serial module for simple command data transmission.

Matrice 3D/3TD Device Connection

Before starting the device connection for Matrice 3D/3TD, please read the "Part Names" section in the Matrice 3D/3TD User Manualopen in new window for the introduction of aircraft components. The Matrice 3D/3TD supports connection to payload devices using the E-Port Development Kit.

Figure. Matrice 3D/3TD Device Connection

Connect Development Board to E-Port




Figure. Connect Development Board to E-Port

  1. Connect the aircraft's E-Port interface to the female end of the E-Port coaxial cable, ensuring correct pin alignment.
  2. Connect the male end of the coaxial cable to the E-Port connector with side A facing the bottom of the E-Port adapter board (foam side) and side B facing the front of the E-Port (component side).

Note: The E-Port coaxial USB-C cable doesn't have a foolproof design, allowing A/B side to be reversibly connected. Due to pin layout differences in the aircraft's USB-C, if the coaxial cable is reversed, the other end also needs to be flipped correspondingly. If not flipped correspondingly, the E-Port Development Kit can not power up and communicate.

  1. Switch the USB device/host mode to "Host".
  2. If powering through the E-Port Development Kit, ensure check the voltage values for each port to prevent damaging the payload device.
  3. Connect to the payload device's serial port.
  4. Connect the payload device USB device/USB OTG/network port to the USB 2.0 interface.

Note: When connecting to the payload device's network port, developers can use a USB to network adapter cable and ethernet cable to connect to the USB 2.0 interface.

  1. Turn the E-Port dip switch to "ON".

Connect Device to E-Port Lite Interface

Connect the aircraft directly to a computer using a USB-C cable to perform tuning tasks, or connect directly to a UART payload device with the USB-C OTG Adapter Cable and the USB to TTL serial module for simple command data transmission.

Figure. Connect Device to E-Port Lite Interface

FlyCart 30 Device Connection

Before starting the device connection of the FlyCart 30, please read FlyCart 30 User Manualopen in new window and pay attention to the introduction of the aircraft components. The FlyCart 30 supports connecting payload device to aircraft by the E-Port Lite.

Connect from Aircraft E-Port Lite

Figure. E-Port Lite Connection

  1. Connect aircraft E-Port Lite to USB-C OTG Adapter Cable.
  2. Connect the USB-C OTG Cable to USB to TTL serial module.
  3. Connect the USB to TTL serial module to PSDK device.
  4. Connect the aircraft payload port to power supply cable, and connect the power supply cable to PSDK device. (This step is necessary when aircraft supply power to the payload device.)

M350 RTK Device Connection

Before starting the device connection of the M350 RTK, please read "Aircraft Overview" in the M350 RTK User Manualopen in new window and pay attention to the introduction of the aircraft components. The M350 RTK has three ways to connect the aircraft to the payload device:

  • With E-Port coaxial cable/SDK coaxial cable, E-Port Development Kit
  • With upward/downward gimbal connector, SkyPort V2
  • with upward/downward gimbal connector, X-Port

Figure. M350 RTK Device Connection

Connect from Aircraft E-Port

Figure. E-Port Development Kit Connection

  1. Connect the E-Port of the aircraft to the coaxial female connector, and pay attention to the corresponding pins.
  2. Connect the coaxial male connector to the E-Port connection. The side A faces the E-Port adapter board bottom plate (foam measurement) and side B faces the front of the E-Port (chip device side).

Note: The E-Port coaxial cable is not foolproof, and A/B can be reversed. However, due to differences in the USB-C wiring sequence of the aircraft, if the coaxial cable is reversed, the A/B on the other end of the coaxial cable also needs to be flipped and connected accordingly. If there is no corresponding flip on the other end of the coaxial cable, the E-Port developer kit will not be able to provide normal power and communication.

  1. Switch the USB ID switch to Host.
  2. If there is a demand for power supply through the E-Port developer kit, please pay attention to the voltage value provided by each port to prevent damage to the payload device.
  3. Connect the serial port of the payload device.
  4. Connect the USB 2.0 interface to the payload device USB device/USB OTG/network port.

Note: In the scenario of connecting to the payload device network port, the USB 2.0 interface can be connected to the network cable through a USB to network card cable.

  1. Switch the E-Port dip switch to ON.

Connect from PSDK Port

Using SkyPort V2

Figure. SkyPort V2 Connection

  1. SkyPort V2 should be installed to the upward gimbal connector or downward gimbal connector of aircraft.

Note: Downward gimbal connector has types of single gimbal and dual gimbals. It is single gimbal connector in the figure.

  1. The Port 1 connects the J2 of adaptor board through flat cable, or the Port 2 connects the J3 of adaptor board through coaxial cable. Please don't use the Port 1 and Port 2 at the same time.
  2. J40 of the adaptor board can provide network communication.
  3. J10 of the adaptor board can provide serial communication.
  4. If there is a demand for power supply through the adaptor board, J35、J36、J37 of board are power output ports. Be careful of the output voltage to avoid device damage.

Using X-Port

Figure. X-Port Connection

  1. X-Port should be installed to the upward gimbal connector or downward gimbal connector of aircraft.

Note: Downward gimbal connector has types of single gimbal and dual gimbals. It is single gimbal connector in the figure.

  1. X-Port can be connect to J2 of adaptor board through flat cable.
  2. J40 of the adaptor board can provide network communication.
  3. J10 of the adaptor board can provide serial communication.
  4. If there is a demand for power supply through the adaptor board, J35、J36、J37 of board are power output ports. Be careful of the output voltage to avoid device damage.

Mavic 3E/3T Device Connection

Before starting the device connection of the Mavic 3E/3T, please read "Overview > Aircraft" in the Mavic 3E/3T User Manualopen in new window and pay attention to the introduction of the aircraft components. The Mavic 3E/3T supports using E-Port coaxial cable, SDK coaxial cable, and E-Port development kit to connect the aircraft with the payload device.

Figure. Mavic 3E/3T Device Connection

Connect from Aircraft E-Port

Figure. E-Port Development Kit Connection

  1. Connect the E-Port of the aircraft to the coaxial female connector, and pay attention to the corresponding pins.
  2. Connect the coaxial male connector to the E-Port connection. The side A faces the E-Port adapter board bottom plate (foam measurement) and side B faces the front of the E-Port (chip device side).

Note: The E-Port coaxial cable is not foolproof, and A/B can be reversed. However, due to differences in the USB-C wiring sequence of the aircraft, if the coaxial cable is reversed, the A/B on the other end of the coaxial cable also needs to be flipped and connected accordingly. If there is no corresponding flip on the other end of the coaxial cable, the E-Port developer kit will not be able to provide normal power and communication.

  1. Switch the USB ID switch to Host.
  2. If there is a demand for power supply through the E-Port developer kit, please pay attention to the voltage value provided by each port to prevent damage to the payload device.
  3. Connect the serial port of the payload device.
  4. Connect the USB 2.0 interface to the payload device USB device/USB OTG/network port.

Note: In the scenario of connecting to the payload device network port, the USB 2.0 interface can be connected to the network cable through a USB to network card cable.

  1. Turn the E-Port switch to ON.

Matrice 30/30T Device Connection

Before starting the device connection of the Matrice 30/30T, please read "Aircraft Overview" in the Matrice 30/30T User Manualopen in new window and pay attention to the introduction of the aircraft components. The Matrice 30/30T supports using E-Port coaxial cable, SDK coaxial cable, and E-Port development kit to connect the aircraft with the payload device.

Figure. Matrice 30/30T Device Connection

Connect from Aircraft E-Port

Figure. E-Port Development Kit Connection

  1. Connect the E-Port of the aircraft to the coaxial female connector, and pay attention to the corresponding pins.
  2. Connect the coaxial male connector to the E-Port connection. The side A faces the E-Port adapter board bottom plate (foam measurement) and side B faces the front of the E-Port (chip device side).

Note: The E-Port coaxial cable is not foolproof, and A/B can be reversed. However, due to differences in the USB-C wiring sequence of the aircraft, if the coaxial cable is reversed, the A/B on the other end of the coaxial cable also needs to be flipped and connected accordingly. If there is no corresponding flip on the other end of the coaxial cable, the E-Port developer kit will not be able to provide normal power and communication.

  1. Switch the USB ID switch to Host.
  2. If there is a demand for power supply through the E-Port developer kit, please pay attention to the voltage value provided by each port to prevent damage to the payload device.
  3. Connect the serial port of the payload device.
  4. Connect the USB 2.0 interface to the payload device USB device/USB OTG/network port.

Note: In the scenario of connecting to the payload device network port, the USB 2.0 interface can be connected to the network cable through a USB to network card cable.

  1. Turn the E-Port switch to ON.

M300 RTK Device Connection

Before starting the device connection of the M300 RTK, please read "Aircraft Diagram" in the M300 RTK User Manualopen in new window and pay attention to the introduction of the aircraft components. The M300 RTK has four ways to connect the aircraft to the payload device:

  • With E-Port coaxial cable/SDK coaxial cable, E-Port Development Kit
  • With upward/downward gimbal connector, SkyPort V2
  • with upward/downward gimbal connector, X-Port
  • with OSDK extension module (It is going to stop production. Using E-port development kit is recommended.)

Figure. M300 RTK Device Connection

Connect from Aircraft OSDK Port

Figure. OSDK Port Connection

  1. Connect the OSDK Port of the aircraft to the coaxial female connector, and pay attention to the corresponding pins.
  2. Connect the coaxial male connector to the E-Port connection. The side A faces the E-Port adapter board bottom plate (foam measurement) and side B faces the front of the E-Port (chip device side).

Note: The E-Port coaxial cable is not foolproof, and A/B can be reversed. However, due to differences in the USB-C wiring sequence of the aircraft, if the coaxial cable is reversed, the A/B on the other end of the coaxial cable also needs to be flipped and connected accordingly. If there is no corresponding flip on the other end of the coaxial cable, the E-Port developer kit will not be able to provide normal power and communication.

  1. Switch the USB ID switch to Device.
  2. If there is a demand for power supply through the E-Port developer kit, please pay attention to the voltage value provided by each port to prevent damage to the payload device.
  3. Connect the serial port of the payload device.
  4. Connect the USB 2.0 interface to the payload device USB device/USB OTG/network port.

Note: In the scenario of connecting to the payload device network port, the USB 2.0 interface can be connected to the network cable through a USB to network card cable.

  1. Turn the E-Port switch to ON.

Connect from PSDK Port

Using SkyPort V2

Figure. SkyportV2 Connection

  1. SkyPort V2 should be installed to the upward gimbal connector or downward gimbal connector of aircraft.

Note: Downward gimbal connector has types of single gimbal and dual gimbals. It is single gimbal connector in the figure.

  1. The Port 1 connects the J2 of adaptor board through flat cable, or the Port 2 connects the J3 of adaptor board through coaxial cable. Please don't use the Port 1 and Port 2 at the same time.
  2. J40 of the adaptor board can provide network communication.
  3. J10 of the adaptor board can provide serial communication.
  4. If there is a demand for power supply through the adaptor board, J35、J36、J37 of board are power output ports. Be careful of the output voltage to avoid device damage.

Using X-Port

Figure. x-port Connection

  1. X-Port should be installed to the upward gimbal connector or downward gimbal connector of aircraft.

Note: Downward gimbal connector has types of single gimbal and dual gimbals. It is single gimbal connector in the figure.

  1. X-Port can be connect to J2 of adaptor board through flat cable.
  2. J40 of the adaptor board can provide network communication.
  3. J10 of the adaptor board can provide serial communication.
  4. If there is a demand for power supply through the adaptor board, J35、J36、J37 of board are power output ports. Be careful of the output voltage to avoid device damage.

Using OSDK Extension Module

The OSDK extension module is about to stop production, and it is recommended to use the E-Port development kit. If you want to learn about OSDK extension module, you can go to OSDK Extension Moduleopen in new window of Standard Hardware Port.

Hardware Reference Design

Hardware Reference Designopen in new window

The above hardware connection is mainly based on DJI's development accessories to build a development environment, facilitating developers to quickly build a hardware environment and start PSDK software development. Usually, when the device is developed, it can be directly integrated into the device hardware environment based on the hardware pins on the aircraft, without the need for DJI expansion accessories, such as OSDK expansion adapter boards, E-PORT kits, etc.

Convenient for developers to integrate hardware connections based on OSDK/PSDK type C ports. DJI provides reference schematics for M300 OSDK type C ports, M350 E-PORT type C ports, and M30/M3 industry version PSDK type C ports. Developers can refer to and combine their own hardware device designs.

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