Quectel UC20 User Manual page 11

J302
PWRDWN_N S301
RESET S303
Micro USB J801
J603
J601
Audio
J602
(bottom side)
USIM J702
J401
COM1
(bottom side)
J402
COM2
(bottom side)
D103, D101,
LEDs
D109, D104, D102
UMTS&LTE J101
VBAT J102
J403, J802, J803,
Test Points J804, J805, J806,
J807
NOTE
1)
Only some of Quectel modules have this function, please refer to Quectel module hardware design for
more details.
UMTS&LTE_EVB_User_Guide
Jumper is used to connect PWRKEY to GND
It's used to turn off module
Reset push button. It's used to reset the UMTS&LTE module
USB device interface
Used for loud speaker
Used for earphone
Used for handset
USIM card holder
Main UART port
Debug UART port
D103 is VBAT ON/OFF indicator.
D101 is used for indicating whether the UMTS&LTE module
is turned on.
D109 is used for whether module is in sleep mode.
D104 and D102 are used for indicating the net status of
UMTS&LTE module.
UMTS&LTE module connector
Jumper used for VBAT voltage test
These are test pins
Confidential / Released
UMTS/HSPA/LTE Module Series
UMTS&LTE EVB User Guide
1)
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