Related Manuals for Mainlink MK22
Summary of Contents for Mainlink MK22
- Page 1 MK22/MK55 Long-range Wireless Transmission System User's Manual V1.0 2022.10 Introduction / Installation Guide / Instruction...
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Page 2: Disclaimer
This copyright of this manual belongs to Great Mainlink Tech Co., LTD. No one may make copies without written consent. -
Page 3: Get Instructional Video
Get instructional video In order to use the system correctly, you can get the instructional Video at the following address: https://mainlinkaero.com/cn/video/video-main.html Download Maestro Assistant Download the software at the following address： https://mainlinkaero.com/cn/download/download-main.html Version：V1.0（2022.10） Copyright © 2022 Mainlink All Rights Reserved... -
Page 4: Table Of Contents
Improve RC controller distance through SBUS ..........23 Maestro Assistant ........................ 25 Interface of Maestro Assistant ................25 How to use Maestro Assistant ................26 1. Connect MK22 with Maestro Assistant............26 2. Read current parameter。 ................27 3. Configurations ....................27 MK22 Web UI Configuration Description ..............30 Version：V1.0（2022.10）... - Page 5 Login ..........................31 Setting ........................... 32 System update ......................38 Wireless pair ........................ 39 Language ........................40 Advanced User Display ..................... 40 Specification ......................... 44 FAQ ............................46 Version：V1.0（2022.10） Copyright © 2022 Mainlink All Rights Reserved...
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Page 6: Packing List
Accessories 2Pin XT30 cable ×1 2Pin cable ×1 For Power For pairing and reset 3Pin cable 4Pin cable ×5 ×2 For UART and SBUS For Ethernet Short Antenna Fiber-glass antenna ×2 ×1 Version：V1.0（2022.10） Copyright © 2022 Mainlink All Rights Reserved... - Page 7 For air unit For ground unit Long Antenna ×2 RF feeder ×2 For air unit For air unit to UVA 19Pin cable ×1 For Ethernet and Power_Out Version：V1.0（2022.10） Copyright © 2022 Mainlink All Rights Reserved...
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Page 8: Overview
Please choose the suitable frequency band according to local regulations. MK22 can transmit data and video to 22km, MK55 can transmit data and video to 55km, making it very suitable for long range drone. If you use our recommend ground station, you only need one cable with connector to connect the device and your ground station. -
Page 9: Features
Features Long distance Modulation -MK22 Up to 22km @ LOS - OFDM -MK55 Up to 55km @ LOS Video interface Data interface - Ethernet *1 - UART（TTL/RS232）/SBUS， Hopping/Fixed Frequency Frequency Band -Fixed: user defined - 800MHz/1.4GHz/2.4GHz Working mode -Hopping: automatic - Air unit can be ：Point to point mode... -
Page 10: Mk22 Interface Description
MK22 Interface Description Air unit with side view 1. Ethernet Number Input/Output Character Description 2. UART1 Number Input/Output Character Description RS232 RX RS232 TX 3. UART2 Number Input/Output Character Description TTL RX TTL TX Version：V1.0（2022.10） Copyright © 2022 Mainlink All Rights Reserved... - Page 11 LED Pattern（Blink only in booting） Description Blink 2 times Initialization OK, Frequency is 1.4G Blink 1 time Initialization OK, Frequency is 800M Blink 3 times Switch mode (Swith from air to ground, vice verse) Version：V1.0（2022.10） Copyright © 2022 Mainlink All Rights Reserved...
- Page 12 4 to an external power supply. 4. Connector. The navigation plug includes ports, serial ports, SBUS, power supply and other interfaces. The specific definitions are as follows: Version：V1.0（2022.10） Copyright © 2022 Mainlink All Rights Reserved...
- Page 13 Number Description Input/Output UART1 TX (RS232) UART1 RX (RS232) UART2 TX (RS232) UART2 RX (RS232) RC1_IN RC2_IN Vcc (9v~28v) Vcc (9v~28v) Version：V1.0（2022.10） Copyright © 2022 Mainlink All Rights Reserved...
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Page 14: Installation
20cm of the antenna. 2. Connecting the gimbal Connect the gimbal to one ethernet of MK22. Connect UART1 to flight control. If you need to control the drone with RC, please connect SBUS_OUT of MK22 to flight control SBUS IN. -
Page 15: Connect The Antenna
Connect the RC receiver SBUS output to the ground unit SBUS_IN and then connect the power cable. 2. Connect to the Ground Station The MK22 ground unit can be connected to the Ground Station with ethernet or UART. Get Video You can get video via RTSP, and decode the video with video decoding software such as VLC. -
Page 16: Mk22 Instruction
3.1 Connect gimbal、MK22 and PC as shown above。 Attention：Please ensure that gimbal and PC on the same network segment. The default IP of MK22 is in the table below. The network segment of gimbal and MK22 can be Version：V1.0（2022.10） Copyright © 2022 Mainlink All Rights Reserved... - Page 17 MK22 can transmit video and data transparent. MK22 air unit default IP 192.168.1.200 MK22 ground unit default IP 192.168.1.236 Version：V1.0（2022.10） Copyright © 2022 Mainlink All Rights Reserved...
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Page 18: Mk22 With Codec Module Mf05
If your gimbal has a HDMI/SDI/AV interface, you can add CODEC module MF05 to work with MK22. MF05 contains encoding module MF05E and decoding module MF05D. You only need one single cable in the accessory box to connect MK22 and MF05. It is shown in the picture below. -
Page 19: Mk22 With Mission Planner
MK22 with Mission Planner Follow the steps to use MK22 with Mission Planner： 1. Connect the UART1 of MK22 air unit to flight controller, such as Pixhawk. Connect the gimbal to one ethernet of MK22. 2. Making sure all the air and ground cable connection is finished. Power on the system. - Page 20 5. Get data There are three methods to get data from MK22 ground unit, using Mission Planner： UDP port via Ethernet; TCP port via Ethernet； UART (COM) 5.1 Get data from UDP port. ...
- Page 21 “OK”, Mission Planner will get flight data. Get data from UART(COM)； Connect the ground unit UART1 with a UART（TTL） to USB converter to the computer. Before this, please install the driver in the computer. Version：V1.0（2022.10） Copyright © 2022 Mainlink All Rights Reserved...
- Page 22 COM (Please check the COM number) and the right baud rate，click the “connect” button, Mission Planner will get flight data. 6. Get video When you open the Mission Planner, click Video and then Set GStream Source，as show below： Version：V1.0（2022.10） Copyright © 2022 Mainlink All Rights Reserved...
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Page 23: Improve Rc Controller Distance Through Sbus
Attention：The SBUS_OUT port of air unit is output. The maximum of +5V output current is 1A. If you don’t need the +5V, let it open. Do not take it as input. Otherwise, the stability of the system will be affected. Version：V1.0（2022.10） Copyright © 2022 Mainlink All Rights Reserved... - Page 24 Attention：The SBUS_IN port of ground unit is input. The maximum of +5V output current is 1A. You can use it to power the RC receiver. Please pay more attention to the cable line order. Version：V1.0（2022.10） Copyright © 2022 Mainlink All Rights Reserved...
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Page 25: Maestro Assistant
【2】UART(COM) select：Select the right COM number of the computer to connect MK22. If you want to change to another COM , please click the ‘Refresh’ button. 【3】 Baud rate select： Select the right baud rate for the COM. Make it the same as MK22 UART2. 【4】Open COM button. -
Page 26: How To Use Maestro Assistant
‘Set’ button to complete setup. Click the ‘Get’ button to get current power level. 【11】Select baud rate：You can select the right baud rate for MK22 Uart1 in this box. Choose the baud rate you needed， and click ‘Set’ button to complete setup. Click the ‘Get’ button to get current baud rate. -
Page 27: Read Current Parameter
Because the Working mode is only for air unit. The Working mode box will turn grey on ground unit configuration. 3. Configurations Frequency Band The MK22 frequency band has been set. User can not change. You can click ‘Get’ button to get current frequency band. Bandwidth There are four BW to be selected——3MHz/ Version：V1.0（2022.10）... - Page 28 When enable this function, you can set your private password. The password should in the range of 100000~999999. Devices with different password do not link. When disable this function, different MK22 air and ground can link each other.。 Working Mode MK22 can work in Point to Point Mode and Repeater Mode.
- Page 29 Repeater Mode With Repeater mode, MK22 can be easily used under NLOS situation. You only need to buy one more air unit and then can establish a repeater system easily. Version：V1.0（2022.10） Copyright © 2022 Mainlink All Rights Reserved...
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Page 30: Mk22 Web Ui Configuration Description
MK22 Web UI Configuration Description Parameter of MK22 can also be set through web UI. User can enter IP address through the browser to access the web UI. The air unit default IP is 192.168.1.200. The ground is 192.168.1.236. In Repeater mode. TX is 192.168.1.200. Repeater is 192.168.1.201. -
Page 31: Login
The system configuration page of Air includes four Settings menus, such as Settings, upgrades, wireless pairing and language Settings. Click on any menu on the left, you can switch the Settings page. Version：V1.0（2022.10） Copyright © 2022 Mainlink All Rights Reserved... -
Page 32: Setting
User can change Gateway Default 192.168.1.1 If you change the device parameter, it will be in effect after rebooting. If you change IP address, please enter the new address in your browser after rebooting. Version：V1.0（2022.10） Copyright © 2022 Mainlink All Rights Reserved... - Page 33 Remote Air IP must be on the same network segment. In cluster mode, when multiple airs are connected to the ground at the same time, the UART2 data of the corresponding air is output from the local UART2 through the Remote Air IP address. Version：V1.0（2022.10） Copyright © 2022 Mainlink All Rights Reserved...
- Page 34 Uart1 Baud rate 57600/115200 Uart2 Baud rate 9600/19200/38400 User can change，Default 115200 57600/115200 Data Protocol Transparent/Mavlink User can change，Default Transparent TCP Port 1~65535 User can change，Default 5760 UDP Port 1~65535 User can change，Default 14550 Version：V1.0（2022.10） Copyright © 2022 Mainlink All Rights Reserved...
- Page 35 The Ground Data setting can set the baud rate of the serial port on the ground. The values of the parameters are described in the above table: Uart1 baud rate and Uart2 baud rate. Version：V1.0（2022.10） Copyright © 2022 Mainlink All Rights Reserved...
- Page 36 Hopping Mode Hopping/Fixed Optional Optional Encryption Disable/Enable Only the air unit of MK22 need to be set. The ground unit can synchronize Working Mode Point to Point automatically Repeater Mode Web UI configuration is the same as Maestro Assistant. User can check it in ‘How to use Maestro Assistant’...
- Page 37 The Air System Restore can make air of MK22 to factory settings. Please click on the ”Restore”button to confirm if you need “Restore to factory settings?”. Please click on the “Sure” button to set the parameter to factory default value.
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Page 38: System Update
”Reboot”button to confirm if you need “Reboot device now?”.Please click on the “Sure” button and enter the IP address in the browser and log in again. The Ground System Reboot can make ground of MK22 to restart, the detail operation is the same as air. -
Page 39: Wireless Pair
The signal strength indicator light will indicate the current pairing state in the form of a water lamp. Version：V1.0（2022.10） Copyright © 2022 Mainlink All Rights Reserved... -
Page 40: Language
After enter the IP address of air, please input user name as “root” and the password as “root123” at the login interface. Click login, then enter the advanced user configuration page of air. As shown in the following picture. Version：V1.0（2022.10） Copyright © 2022 Mainlink All Rights Reserved... - Page 41 Air ANT1 PathLoss 0~191 Path loss of Main Antenna of Air Air ANT2 PathLoss 0~191 Path loss of Auxiliary Antenna of Air Ground ANT1 RSSI -141 ~ -44 RSSI of Main Antenna of Ground Version：V1.0（2022.10） Copyright © 2022 Mainlink All Rights Reserved...
- Page 42 2 SBUS1 Local Submit 0~4294967295 The total number of byte through network transparent transmission to opposite terminal which input from local SBUS 1 Version：V1.0（2022.10） Copyright © 2022 Mainlink All Rights Reserved...
- Page 43 The advanced user configuration page has an extra “Air Baseband Information” than the common user page. The operation of the Ground Baseband Information function is the same as that of air. Version：V1.0（2022.10） Copyright © 2022 Mainlink All Rights Reserved...
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Page 44: Specification
TTL 3.3V， 1 start bit, 8 data bit, 1 stop bit, no parity., Baud rate 115200（default）， UART 57600, 38400, 19200, 9600 UART1 and UART2 Interface SBUS_IN SBUS SBUS_OUT Ethernet 4 Pin Button Switch For air and ground switch Version：V1.0（2022.10） Copyright © 2022 Mainlink All Rights Reserved... - Page 45 Work -40℃～+70℃ temperature Environment Storage -40℃～+85℃ temperature Humidity 5~95%，non-condensing Size 112 X 63.5 X 19 mm Appearance weight 143g *1 The distance is tested under the condition of no interference and LOS. Version：V1.0（2022.10） Copyright © 2022 Mainlink All Rights Reserved...
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Page 46: Faq
Note ：For more information, please check out our official video tutorial. Foreign users please check You Tube . If you have any questions about this document, please contact Mainlink by sending a message to support@mainlinkaero.com. You can also visit www.mainlinkaero.com Version：V1.0（2022.10）...