SARA-U2 series EVK - User Guide
UBX-14001743 - R05
Contents
Page 3 of 21
Contents
Contents .............................................................................................................................. 3
1
Starting up .................................................................................................................... 4
1.1
EVK-U2x overview ............................................................................................................................... 4
1.2
EVK-U2x block diagram ....................................................................................................................... 5
1.3
Switches, jumpers and buttons ............................................................................................................ 5
1.4
Connectors .......................................................................................................................................... 6
1.5
LEDs .................................................................................................................................................... 6
1.6
EVK-U2x pin-out .................................................................................................................................. 7
1.7
Software installation ............................................................................................................................ 7
1.8
Board setup ......................................................................................................................................... 8
1.9
Enabling verbose error result codes ...................................................................................................... 9
1.10
PIN code insertion (when required) ...................................................................................................... 9
1.11
Registration on a cellular network ........................................................................................................ 9
1.12
Audio codec configuration and enabling / disabling ........................................................................... 10
1.13
Switching off the EVK-U2x ................................................................................................................ 10
Appendix .......................................................................................................................... 11
A
Setting up AT terminal applications for communication with EVK-U2x ................ 11
B
Setting up cellular packet data connection on PC .................................................... 12
B.1
How to install and configure a low data rate modem connection ...................................................... 12
B.2
How to install and configure a high data rate modem connection ..................................................... 15
C
Examples of AT commands ........................................................................................ 17
C.1
Voice call ........................................................................................................................................... 17
C.2
Data call (CSD mode) ......................................................................................................................... 17
C.3
SMS management ............................................................................................................................. 18
C.4
Internet connection in GPRS mode (using external TCP/IP stack) ........................................................ 18
C.5
Internet connection in GPRS mode (using internal TCP/IP stack) ......................................................... 18
C.6
Enable communication between cellular and GNSS modules ............................................................. 19
C.7
Read NMEA messages (example: GLL) ................................................................................................ 19
C.8
GNSS AssistNow ................................................................................................................................ 19
Declaration of conformities ............................................................................................. 20
Related documents .......................................................................................................... 20
Revision history ................................................................................................................ 20
Contact .............................................................................................................................. 21