Chapter 3: Operation
98-148232-E Power-saving 40
Power-saving
Power save mode
In Power save mode, the terminal deregisters and gracefully closes down the terminal to save
power.
To use the Power save mode you must configure one or more “wake up” methods:
•Wake up on daily basis
•Wake-on-LAN
• Wake up on input pin (dedicated I/O pin)
General power save settings:
• Set the number of minutes without any activity (Idle time) before the terminal enters
power save mode.
• Set whether or not the power save function should be prevented when a satellite
connection (PDP context) is open (only configurable with web interface).
You can also configure the wake up methods and the general power save settings in the web
interface. See Power save on page 88.
To set the idle time before power save
If you are using Power save mode and none of the conditions that prevent Power save mode
are present (mentioned in the note above), the system will go into Power save mode after a
defined idle time.
For configuration with AT commands, use the AT command _IPWSAVSCHD as follows:
1. Set the idle time before power save:
AT_IPWSAVSCHD=<psmode>,<psvalue>
Example: AT_IPWSAVSCHD=IDLE_TRG,15
In this example, the power save mode is idle time (IDLE_TRIG), and the idle time before
the terminal enters power save mode is 15 minutes.
The following conditions will prevent the terminal from entering Power save mode:
• The web interface is open
• Data/SMS traffic
•Software update ongoing
• Incoming/outgoing calls
•LAN activity
• Wake up input pin (GPI-1) active
If the Idle time is set to “0”, the Power save function is disabled!
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