Hardware Related Commands; At+Qpowd Power Off; At+Cclk Clock - Quectel EC25 Command Manual

13

Hardware Related Commands

13.1. AT+QPOWD Power off

The command is used to shut down the module. The UE will return OK immediately when the command is
executed. Then the UE deactivates the network. After it is completed, the UE outputs POWERED DOWN
and enters into the shutdown state. The maximum time for unregistering network is 60 seconds. The UE
is not allowed to turn off the power before the module‟s STATUS pin is set low or the URC POWERED
DOWN is outputted to avoid data loss.
AT+QPOWD Power off
Test Command
AT+QPOWD=?
Execution Command
AT+QPOWD[=<n>]
Maximum Response Time
Parameter
<n> 0
1

13.2. AT+CCLK Clock

The command sets and queries the real time clock (RTC) of the module. The current setting is retained
until the module is totally disconnected from power.
AT+CCLK Clock
Test Command
AT+CCLK=?
EC25&EC21_AT_Commands_Manual
Response
+QPOWD: (0,1)
OK
Response
OK
POWERED DOWN
300ms
Immediately power down
Normal power down
Response
OK
LTE Module Series
EC25&EC21 AT Commands Manual
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