Power States; Table 3. Supported Mc7354B Power States - Sierra Wireless AirPrime MC7354B Hardware Integration Manual

Hardware Integration Guide
2.3.

Power States

The MC7354B mini card has four power states as detailed in the following table.
Table 3. Supported MC7354B Power States
State Details
Normal
(Default
state)
Low power
('Airplane
mode')
Sleep
Host power source is disconnected
Disconnected from the module and all voltages
associated with the module are at 0 V.
4117529

Module is active

Default state when VCC is
first applied in the absence of
W_DISABLE_N control

Module is capable of placing /
receiving calls, or establishing
data connections on the
wireless network

Current consumption is
affected by several factors,
including:

Radio band being used

Transmit power

Receive gain settings

Data rate

Number of active Tx time slots

Module is active

Module enters this state:

Under host interface control:

Host issues AT+CFUN=0,
or

Host asserts
W_DISABLE_N, after
AT!PCOFFEN=0 has
been issued.

Automatically, when critical
temperature or voltage trigger
limits have been reached

Normal state of module
between calls or data
connections

Module cycles between wake
(polling the network) and
sleep, at network provider-
determined interval.
Rev 1.0
Host is Module is
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June 12, 2015
Power Interface
USB
RF
Interface
Enabled
Active
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