LTE Module Series
LTE OPEN EVB User Guide
LTE_OPEN_EVB_User_Guide 14 / 62
modules, then R0106 must be disconnected
Micro-B USB
Interface
J0601
USB device interface
Power Switch
S0301
VBAT ON/OFF control
PWRKEY
S0403
Power key (push button), used to turn on/off LTE-QuecOpen
modules
J0401
Jumper wire used to connect PWRKEY to GND
RESET
S0402
Reset button (push button), used to reset LTE-QuecOpen
modules
SDC1 Function
Switch
S0201
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
SDC2 Function
Switch
S0701
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
PCM Function
Switch
S1001
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
Switch
S0401
Reserved for internal testing. Switch it to down by default.
Audio Interfaces
J0804
Codec board interface
J0805
Used for loudspeaker
Used to test the analog audio function of LTE-QuecOpen
modules
J0802
Used for earphone
Used to test the analog audio function of LTE-QuecOpen
modules
J0801
(bottom side)
Used for handset
Used to test the analog audio function of LTE-QuecOpen
modules
U(SIM)
Interfaces
J0901
U(SIM) card connector 1
J0902
U(SIM) card connector 2 (Reserved)