
NE866B1_Hardware_Design_Guide
1VV0301354 Rev. 6
Page
37
of
70
2018-02-28
Power OFF procedure
The NE866B1 does not provide any means of software driven shutdown.
In case that power off is required (for example when modem is not used for a long time),
the below procedure should be followed in order to eliminate any possible damage due to
unexpected power cut.
WARNING:
Please carefully follow the recommended procedure for shut down and
power off.
Not following the recommended shut-down and power off procedures might
damage the device and consequently void the warranty.
Modem Power Off
Proc
AT+CFUN=0
In PSM mode?
AT+COPS=2
Yes
No
Power Off supply