LTE Module Series
M.2 EVB User Guide
M.2_EVB_User_Guide 26 / 37
D102
D101
D103
Figure 20: Status Indicators
Table 9: Description of Status Indicators
4.8.
Test Points
The M.2 EVB provides a series of test points. They can help customers to obtain the corresponding
waveform of some signals. The following figures and tables show test points J502, J503, J504, J505, J202,
J601, J602, J603 and J604.
Reference No.
Description
D101
Power ON/OFF indicator indicating the power supply status of the EVB
Bright: the module is powered on
Extinct: the power is powered off
D103
Operation status indicator for the module
When a URC returns, a 1s low level pulse will be outputted
Used to indicate a URC reporting which could wake up the module
Bright: A call, SMS message or data is coming, the module is woken up
Extinct: the module is in idle or sleep mode
D102
RF status indicator for the module
Bright: RF function is enabled
Extinct: RF function is disabled
