Product Info

LTE Standard Module Series
EC21_Series_Mini_PCIe_Hardware_Design
25
/ 75
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 6: Overview of Operating Modes
Mode Details
Normal
Operation
Idle
The module remains registered on the network, and is ready to send
and receive data. In this mode, the software is active.
Talk/Data
The module is connected to network. Its current consumption varies
with the network setting and data transfer rate.
Airplane Mode
AT+CFUN=4 or W_DISABLE# pin can set the module to airplane mode where the
RF function is invalid.
Minimum
Functionality
Mode
AT+CFUN=0 can set the module into a minimum functionality mode without
removing the power supply. In this mode, both RF function and (U)SIM card are
invalid.
Sleep Mode
The module remains the ability to receive paging message, SMS, voice call and
TCP/UDP data from the network normally. In this mode, the current consumption of
the module is reduced to a very low level.
For details of the command, see document
错误
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未找到引用源。
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49 RESERVED PCM_DIN
4
DI PCM data input
50 GND GND Mini card ground
51 RESERVED PCM_SYNC
4
DIO PCM frame sync
52 3.3Vaux VCC_3V3 PI
3.0–3.6 V, typically 3.3 V
DC supply
NOTE