LN930 M.2 Hardware User Guide
1VV0301078 Rev.10 – 2015-11-11
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights Reserved.
Page 58 of 88
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1st - 4th NCM channel: data channel for PDN connection: Channel ID:
USBHS/NCM/0-3
6.5
LPM
The host computer can set the modem into USB sleep (L1) state (to save battery power)
whenever the link is idle. To return from sleep state the host computer performs
L1Resume. This can also be triggered by the modem using L1-Remote- Wake-up. The
sleep (L1) state is introduced by “USB 2.0 Link Power Management Addendum” and
allows fast state transitions between active and sleep states.
6.5.1
Suspend/Resume and Remote Wake-up
The PC can set the modem into USB suspend state (to save battery power) when no
communication takes place or when the PC is switched into standby mode. The suspend state
also can be triggered by X-GOLD™ Baseband device through a proprietary device initiated
selective suspend mechanism. The wake up is performed by Host Resume. The modem can
wake up the host computer from standby state using Remote Wake-up
6.5.2
Android Software Components
The software components of a WWAN M.2 module running the Android operating system is
shown Figure 15.
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Android version 15/16 will be supported.
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Intel Intrinsic Radio Interface Layer (RIL) will be used and supported via a USB
CDC-ACM driver.
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All Intel features will be supported via AT commands.
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Advanced Linux Sound Architecture (ALSA) will not be supported on data only
WWAN M.2 modules.
