AT commands Sleep commands
Digi XBee3 Cellular LTE-M/NB-IoT Global Smart Modem User Guide
185
Sleep commands
The following AT commands are sleep commands.
SM (Sleep Mode)
Sets or displays the sleep mode of the device.
The sleep mode determines how the device enters and exits a power saving sleep.
Parameter range
0, 1, 4, 5
Parameter Description
0 Normal. In this mode the device never sleeps.
1
Pin Sleep. In this mode the device honors the SLEEP_RQ pin. Set D8 (DIO8/SLEEP_
REQUEST) to the sleep request function: 1.
4
Cyclic Sleep. In this mode the device repeatedly sleeps for the value specified by SP and
spends ST time awake.
5 Cyclic Sleep with Pin Wake. In this mode the device acts as in Cyclic Sleep but does not
sleep if the SLEEP_RQ pin is inactive, allowing the device to be kept awake or woken by
the connected system.
Default
0
SP (Sleep Period)
Sets or displays the time to spend asleep in cyclic sleep modes. In Cyclic sleep mode, the node sleeps
with CTS disabled for the sleep time interval, then wakes for the wake time interval.
Parameter range
0x1 - 0x83D600 (x 10 ms)
Default
0x7530 (5 minutes)
ST (Wake Time)
Sets or displays the time to spend awake in cyclic sleep modes.
Parameter range
0x1 - 0x36EE80 (x 1 ms)
Default
0xEA60 (60 seconds)
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