ME310G1/ME910G1/ML865G1 AT Commands Reference Guide
80617ST10991A Rev. 11 Page 565 of 1039 2021-09-23
AT#SHDN
Execution command causes device to detach from the network and
shut down. Before definitive shut down an OK response is returned.
When issuing the command any previous activity terminated and the
device will not respond to any further command.
To turn it on again hardware pin ON/OFF must be tied low.
The maximum time to shut down the device, completely is 25 seconds.