LTE Module Series
LTE OPEN EVB User Guide
LTE_OPEN_EVB_User_Guide 14 / 62
modules, then R0106 must be disconnected
Power key (push button), used to turn on/off LTE-QuecOpen
modules
Jumper wire used to connect PWRKEY to GND
Reset button (push button), used to reset LTE-QuecOpen
modules
Switched to left: connect the GPIO interface of J0203 to
the module’s SDC1 interface, for testing customers’ own
modules
Switched to right: connect SDIO interface of FC20 and
AF20 modules to SDC1 interface of LTE-QuecOpen
modules
Switched to left: connect SD card interface of EVB to
SDC2 interface of LTE-QuecOpen modules
Switched to right: connect eMMC to SDC2 interface of
LTE-QuecOpen modules
Switched to left: connect BT interface (PCM) of AF20 to
the PCM interface of AG35 module
Switched to right: connect the codec board interface
(J0804) on EVB to the PCM interface of LTE-QuecOpen
modules
Reserved for internal testing. Switch it to down by default.
Used for loudspeaker
Used to test the analog audio function of LTE-QuecOpen
modules
Used for earphone
Used to test the analog audio function of LTE-QuecOpen
modules
Used for handset
Used to test the analog audio function of LTE-QuecOpen
modules
U(SIM) card connector 2 (Reserved)