Operating Modes; Power Saving; Sleep Mode - Quectel EC200T Hardware Design

51 RESERVED
52 3.3Vaux
NOTE
Keep all NC, reserved and unused pins unconnected.

3.3. Operating Modes

The following table briefly outlines the operating modes to be mentioned in the following chapters.
Table 5: Overview of Operating Modes
Mode Details
Idle
Normal
Operation
Talk/Data
Minimum
AT+CFUN=0 command can set the module to a minimum functionality mode without
Functionality removing the power supply. In this case, both RF function and (U)SIM card will be
Mode invalid.
AT+CFUN=4 command or W_DISABLE# pin can set the module to airplane mode. In
Airplane Mode
this case, RF function will be invalid.
In this mode, the current consumption of the module will be reduced to the minimal

Sleep Mode

level. In this mode, the module can still receive paging message, SMS, voice call and
TCP/UDP data from the network normally.

3.4. Power Saving

3.4.1. Sleep Mode
EC200T Mini PCIe is able to reduce its current consumption to a minimum value in sleep mode. There are
three preconditions must be met to make the module enter sleep mode.

Execute AT+QSCLK=1 to enable sleep mode.

Ensure the DTR is kept at high level or be kept open.
EC200T_Mini_PCIe_Hardware_Design
PCM_SYNC
VCC_3V3
Software is active. The module has registered on the network, and it is
ready to send and receive data.
Network connection is ongoing. In this mode, the power consumption is
decided by network setting and data transfer rate.
LTE Standard Module Series
EC200T Mini PCIe Hardware Design
PCM frame
IO
synchronization
3.0V~3.6V, typically
PI
3.3V DC supply
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