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<div style="padding-left:200px;">[[File:Orange-pi-i96-img83.png|600px]]</div>
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'''2)Connect method for debug'''
Use the TTL to the serial port cable, one end connected to OrangePi, the other end connected to PC
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<div style="padding-left:200px;">[[File:Orange-pi-2g-iot-img64.png|300px]]</div>
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'''3)Equipment information acquisition'''<br>
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$ ls /dev/ (Input command in the PC terminal to check the device number of TTL to the serial cable)
<div style="padding-left:100px;">[[File:Orange-pi-i96-img85.png|800px]]</div>
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* It can be seen from the figure that TTL to the serial port cable is identified as ttyUSB0, configure the /ect/kermit/kermitc file, update the serial port information.<br>
$ sudo vi /etc/kermit/kermitc
* Set the value of setline into /dev/ttyUSB0
<div style="padding-left:100px;">[[File:Orange-pi-i96-img86.png|800px]]</div>
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'''4)Start debug'''
* Input command in the host computer terminal, enter the Kermit mode:
$ sudo kermit –c
<div style="padding-left:100px;">[[File:Orange-pi-i96-img86.png|800px]]</div>
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* Power it on and boot Orange Pi, the serial port will automatic print debug log, the account and password ard root/orangepi and orangepi/orangepi
