LTE-A Module Series
UMTS<E EVB R2.0 User Guide
UMTS<E_EVB_R2.0_User_Guide 31 / 44
S901
S902
Figure 27: S901 and S902 Switches
S201
S302
S303
S301
Figure 28: S201 Switch and S301/S302/S303
Buttons
Table 11: Description of Switches and Buttons
Reference No.
Description
S201
VBAT Power ON/OFF control
S901
⚫
Switched to the left: function reserved.
⚫
Switched to the right: connect the codec board connector on EVB to the
module, for testing the codec
’s PCM function.
S902
⚫
Switched to the left: connect SD card connector to the module, for
testing the SD card function of the module.
⚫
Switched to the right: connect the eMMC connector to the module, for
testing the eMMC* function.
S302
Used to turn on/off the module