User's Manual

GSM/GPRS/GNSS Module Series
MC60 Hardware Design
MC60_Hardware_Design Confidential / Released 42 / 99
save important data before completely disconnecting the power supply.
Before the completion of the power down procedure, the module sends out the result code shown below:
NORMAL POWER DOWN
1. When unsolicited result codes do not appear when autobauding is active and DTE & DCE are not
correctly synchronized after start-up, the module is recommended to be set to a fixed baud rate.
2. As network logout time is related to the local mobile network, it is recommended to delay about 12
seconds before disconnecting the power supply or restarting the module.
After that moment, no further AT commands can be executed. Then the module enters the power down
mode.
Figure 17: Turn-off Timing by Using the PWRKEY Pin
NOTES