Quectel UC20

UMTS/HSPA/LTE Module Series
UMTS&LTE EVB User Guide
UMTS&LTE_EVB_User_Guide Confidential / Released 3 / 32
Contents
About the Document ................................................................................................................................... 2
Contents ....................................................................................................................................................... 3
Table Index ................................................................................................................................................... 4
Figure Index ................................................................................................................................................. 5
1 Introduction .......................................................................................................................................... 6
1.1. Safety Information ................................................................................................................... 7
2 General Overview ................................................................................................................................. 8
2.1. Key Features ........................................................................................................................... 8
2.2. System Overview..................................................................................................................... 9
2.3. Interface Overview................................................................................................................... 9
2.4. EVB View ............................................................................................................................... 11
2.5. EVB Accessories ................................................................................................................... 11
3 Interface Application ......................................................................................................................... 13
3.1. Power Interface ..................................................................................................................... 13
3.2. USB Device Interface ............................................................................................................ 14
3.3. Audio Interface ...................................................................................................................... 15
3.3.1. Loud Speaker (J603) ...................................................................................................... 16
3.3.2. Earphone (J601) ............................................................................................................ 16
3.3.3. Handset (J602) ............................................................................................................... 18
3.4. USIM Card Interface .............................................................................................................. 19
3.5. UART Interface ...................................................................................................................... 21
3.6. Switch and Buttons ................................................................................................................ 23
3.7. Status LEDs ........................................................................................................................... 24
3.8. Test Points ............................................................................................................................. 25
4 Operation of UMTS&LTE Module ..................................................................................................... 28
4.1. Power On ............................................................................................................................... 28
4.2. Power Off UMTS&LTE Module .............................................................................................. 29
4.3. Reset UMTS&LTE Module .................................................................................................... 29
4.4. Communication Via USB or UART Interface ......................................................................... 29
4.4.1. Communication via USB Interface ................................................................................. 29
4.4.2. Communication via UART Interface ............................................................................... 29
4.5. Firmware Upgrade ................................................................................................................. 30
5 EVB Accessories Assembly ............................................................................................................. 31
6 Appendix A Reference ....................................................................................................................... 32
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Confidential