Version
：
V1.0
（
2020.02
）
Copyright © 2020 Mainlink All Rights Reserved
9
M52
Interface Description
side view
1. Power indicator
This indicator is solid green when air unit is booting.
2. Link indicator
LED Pattern Description
solid green Wireless link is established
light off Wireless link is lost
3. Status Indicator
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)
Blink slow all the time Enter configuration mode
Blink fast all the time Device abnormal
4.
RSSI Indicator
LED Pattern Description
3 solid green Wireless signal is strong
2 solid green Wireless signal is medium
